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Database: PDB
Entry: 3POF
LinkDB: 3POF
Original site: 3POF 
HEADER    HYDROLASE                               22-NOV-10   3POF              
TITLE     CRYSTAL STRUCTURE OF MASP-1 CUB2 DOMAIN BOUND TO CA2+                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MANNAN-BINDING LECTIN SERINE PROTEASE 1;                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: MASP-1 CUB2 DOMAIN (UNP RESIDUES 188-301);                 
COMPND   5 SYNONYM: COMPLEMENT FACTOR MASP-3, COMPLEMENT-ACTIVATING COMPONENT OF
COMPND   6 RA-REACTIVE FACTOR, MANNOSE-BINDING LECTIN-ASSOCIATED SERINE PROTEASE
COMPND   7 1, MASP-1, MANNOSE-BINDING PROTEIN-ASSOCIATED SERINE PROTEASE, RA-   
COMPND   8 REACTIVE FACTOR SERINE PROTEASE P100, RARF, SERINE PROTEASE 5,       
COMPND   9 MANNAN-BINDING LECTIN SERINE PROTEASE 1 HEAVY CHAIN, MANNAN-BINDING  
COMPND  10 LECTIN SERINE PROTEASE 1 LIGHT CHAIN;                                
COMPND  11 EC: 3.4.21.-;                                                        
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: BROWN RAT,RAT,RATS;                                 
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 GENE: CRARF, MASP-1, MASP1, MASP3;                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR;                               
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    CUB DOMAIN, CA2+ BINDING SITE, COMPLEMENT PROTEIN, LECTIN PATHWAY OF  
KEYWDS   2 COMPLEMENT, MBL, MBP, FICOLINS, BLOODSTREAM, HYDROLASE               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.R.GINGRAS,P.C.E.MOODY,R.WALLIS                                      
REVDAT   3   06-SEP-23 3POF    1       REMARK SEQADV LINK                       
REVDAT   2   30-NOV-11 3POF    1       JRNL                                     
REVDAT   1   24-AUG-11 3POF    0                                                
JRNL        AUTH   A.R.GINGRAS,U.V.GIRIJA,A.H.KEEBLE,R.PANCHAL,D.A.MITCHELL,    
JRNL        AUTH 2 P.C.MOODY,R.WALLIS                                           
JRNL        TITL   STRUCTURAL BASIS OF MANNAN-BINDING LECTIN RECOGNITION BY ITS 
JRNL        TITL 2 ASSOCIATED SERINE PROTEASE MASP-1: IMPLICATIONS FOR          
JRNL        TITL 3 COMPLEMENT ACTIVATION.                                       
JRNL        REF    STRUCTURE                     V.  19  1635 2011              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   22078562                                                     
JRNL        DOI    10.1016/J.STR.2011.08.014                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 41.01                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 51198                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.119                           
REMARK   3   R VALUE            (WORKING SET) : 0.117                           
REMARK   3   FREE R VALUE                     : 0.149                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2695                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3754                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1400                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 198                          
REMARK   3   BIN FREE R VALUE                    : 0.1900                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1817                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 251                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.048         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.047         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.025         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.466         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.977                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.968                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2033 ; 0.034 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1429 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2797 ; 2.396 ; 1.967       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3495 ; 1.091 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   266 ; 6.474 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   110 ;35.565 ;24.545       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   337 ;13.747 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;23.968 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   281 ; 0.172 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2320 ; 0.013 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   418 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1206 ; 2.966 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   469 ; 1.074 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1992 ; 4.457 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   827 ; 6.020 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   784 ; 8.307 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  3462 ; 2.868 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3POF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000062622.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-JUL-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9763                             
REMARK 200  MONOCHROMATOR                  : MULTI-LAYER OPTICS                 
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53908                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 4.920                              
REMARK 200  R MERGE                    (I) : 0.07600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.92                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.380                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3POE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.23                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5M LITHIUM SULFATE, 100MM TRIS         
REMARK 280  BUFFER, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 279K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3                           
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       5555   Z,X,Y                                                   
REMARK 290       6555   Z+1/2,-X+1/2,-Y                                         
REMARK 290       7555   -Z+1/2,-X,Y+1/2                                         
REMARK 290       8555   -Z,X+1/2,-Y+1/2                                         
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z+1/2,-X+1/2                                         
REMARK 290      11555   Y+1/2,-Z+1/2,-X                                         
REMARK 290      12555   -Y+1/2,-Z,X+1/2                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       50.23000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.23000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.23000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.23000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       50.23000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.23000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000       50.23000            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       50.23000            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       50.23000            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       50.23000            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       50.23000            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       50.23000            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000       50.23000            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       50.23000            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       50.23000            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       50.23000            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       50.23000            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       50.23000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 S    SO4 A 278  LIES ON A SPECIAL POSITION.                          
REMARK 375 O3   SO4 A 278  LIES ON A SPECIAL POSITION.                          
REMARK 375 S    SO4 B   2  LIES ON A SPECIAL POSITION.                          
REMARK 375 O4   SO4 B   2  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   163                                                      
REMARK 465     VAL A   164                                                      
REMARK 465     MET B   163                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     GLU B  200   CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   293     O    HOH B   312     5555     2.09            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER A 167   CB    SER A 167   OG     -0.088                       
REMARK 500    SER A 265   CB    SER A 265   OG     -0.106                       
REMARK 500    GLU A 267   CG    GLU A 267   CD      0.101                       
REMARK 500    GLU A 267   CD    GLU A 267   OE2     0.114                       
REMARK 500    ARG A 276   CB    ARG A 276   CG     -0.171                       
REMARK 500    CYS B 166   CB    CYS B 166   SG     -0.117                       
REMARK 500    GLU B 210   CG    GLU B 210   CD     -0.090                       
REMARK 500    TYR B 225   CG    TYR B 225   CD2    -0.078                       
REMARK 500    GLU B 247   CG    GLU B 247   CD      0.107                       
REMARK 500    SER B 250   CB    SER B 250   OG     -0.094                       
REMARK 500    ARG B 276   CB    ARG B 276   CG     -0.162                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 174   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A 174   NE  -  CZ  -  NH2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 211   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP A 226   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B 198   CB  -  CG  -  OD1 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    GLU B 210   OE1 -  CD  -  OE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500    ASP B 211   CB  -  CG  -  OD1 ANGL. DEV. =   9.3 DEGREES          
REMARK 500    LEU B 273   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    CYS A 166       28.89   -160.74                                   
REMARK 500    ASP A 182       -0.48     75.39                                   
REMARK 500    ASP A 211     -154.13     62.67                                   
REMARK 500    ASP A 211     -154.12     62.70                                   
REMARK 500    TYR A 225      -64.25   -107.13                                   
REMARK 500    ASP B 211     -153.43     62.82                                   
REMARK 500    ASP B 211     -153.00     61.61                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   1  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A   7   O                                                      
REMARK 620 2 HOH A  14   O    83.0                                              
REMARK 620 3 GLU A 216   OE1 172.7  93.1                                        
REMARK 620 4 ASP A 226   OD2  91.7  75.1  93.2                                  
REMARK 620 5 ASP A 226   OD1  88.2 124.0  99.0  49.9                            
REMARK 620 6 ASP A 263   OD1  85.0 158.5  96.8 123.1  73.2                      
REMARK 620 7 SER A 265   O    82.7  82.7  90.7 157.6 150.7  78.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B   1  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH B   4   O                                                      
REMARK 620 2 HOH B   8   O    84.5                                              
REMARK 620 3 GLU B 216   OE1 170.0  87.5                                        
REMARK 620 4 ASP B 226   OD2  90.2  81.1  94.5                                  
REMARK 620 5 ASP B 226   OD1  91.5 126.3  98.1  45.3                            
REMARK 620 6 ASP B 263   OD1  83.3 162.6 103.1 111.3  66.5                      
REMARK 620 7 SER B 265   O    82.9  86.9  90.7 166.6 145.8  79.3                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 278                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 279                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3POB   RELATED DB: PDB                                   
REMARK 900 CUB DOMAIN IN COMPLEX WITH MBL PEPTIDE                               
DBREF  3POF A  164   277  UNP    Q8CHN8   MASP1_RAT      188    301             
DBREF  3POF B  164   277  UNP    Q8CHN8   MASP1_RAT      188    301             
SEQADV 3POF MET A  163  UNP  Q8CHN8              INITIATING METHIONINE          
SEQADV 3POF MET B  163  UNP  Q8CHN8              INITIATING METHIONINE          
SEQRES   1 A  115  MET VAL GLU CYS SER GLY ASN LEU PHE THR GLN ARG THR          
SEQRES   2 A  115  GLY THR ILE THR SER PRO ASP TYR PRO ASN PRO TYR PRO          
SEQRES   3 A  115  LYS SER SER GLU CYS SER TYR THR ILE ASP LEU GLU GLU          
SEQRES   4 A  115  GLY PHE MET VAL THR LEU GLN PHE GLU ASP ILE PHE ASP          
SEQRES   5 A  115  ILE GLU ASP HIS PRO GLU VAL PRO CYS PRO TYR ASP TYR          
SEQRES   6 A  115  ILE LYS ILE LYS ALA GLY SER LYS VAL TRP GLY PRO PHE          
SEQRES   7 A  115  CYS GLY GLU LYS SER PRO GLU PRO ILE SER THR GLN SER          
SEQRES   8 A  115  HIS SER ILE GLN ILE LEU PHE ARG SER ASP ASN SER GLY          
SEQRES   9 A  115  GLU ASN ARG GLY TRP ARG LEU SER TYR ARG ALA                  
SEQRES   1 B  115  MET VAL GLU CYS SER GLY ASN LEU PHE THR GLN ARG THR          
SEQRES   2 B  115  GLY THR ILE THR SER PRO ASP TYR PRO ASN PRO TYR PRO          
SEQRES   3 B  115  LYS SER SER GLU CYS SER TYR THR ILE ASP LEU GLU GLU          
SEQRES   4 B  115  GLY PHE MET VAL THR LEU GLN PHE GLU ASP ILE PHE ASP          
SEQRES   5 B  115  ILE GLU ASP HIS PRO GLU VAL PRO CYS PRO TYR ASP TYR          
SEQRES   6 B  115  ILE LYS ILE LYS ALA GLY SER LYS VAL TRP GLY PRO PHE          
SEQRES   7 B  115  CYS GLY GLU LYS SER PRO GLU PRO ILE SER THR GLN SER          
SEQRES   8 B  115  HIS SER ILE GLN ILE LEU PHE ARG SER ASP ASN SER GLY          
SEQRES   9 B  115  GLU ASN ARG GLY TRP ARG LEU SER TYR ARG ALA                  
HET     CA  A   1       1                                                       
HET    SO4  A 278       5                                                       
HET    TRS  A 279       8                                                       
HET     CA  B   1       1                                                       
HET    SO4  B   2       5                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL                         
HETSYN     TRS TRIS BUFFER                                                      
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   4  SO4    2(O4 S 2-)                                                   
FORMUL   5  TRS    C4 H12 N O3 1+                                               
FORMUL   8  HOH   *251(H2 O)                                                    
SHEET    1   A 5 CYS A 166  PHE A 171  0                                        
SHEET    2   A 5 GLU A 192  ASP A 198  1  O  THR A 196   N  PHE A 171           
SHEET    3   A 5 SER A 255  ARG A 261 -1  O  ILE A 258   N  TYR A 195           
SHEET    4   A 5 TYR A 227  ALA A 232 -1  N  LYS A 229   O  LEU A 259           
SHEET    5   A 5 LYS A 235  PHE A 240 -1  O  TRP A 237   N  ILE A 230           
SHEET    1   B 4 THR A 175  THR A 179  0                                        
SHEET    2   B 4 ARG A 272  ARG A 276 -1  O  LEU A 273   N  ILE A 178           
SHEET    3   B 4 THR A 206  PHE A 209 -1  N  THR A 206   O  ARG A 276           
SHEET    4   B 4 ILE A 249  SER A 250 -1  O  ILE A 249   N  LEU A 207           
SHEET    1   C 5 ASN B 169  PHE B 171  0                                        
SHEET    2   C 5 GLU B 192  ASP B 198  1  O  THR B 196   N  PHE B 171           
SHEET    3   C 5 SER B 255  ARG B 261 -1  O  PHE B 260   N  CYS B 193           
SHEET    4   C 5 TYR B 227  ALA B 232 -1  N  LYS B 231   O  GLN B 257           
SHEET    5   C 5 LYS B 235  PHE B 240 -1  O  TRP B 237   N  ILE B 230           
SHEET    1   D 4 THR B 175  THR B 179  0                                        
SHEET    2   D 4 ARG B 272  ARG B 276 -1  O  LEU B 273   N  ILE B 178           
SHEET    3   D 4 THR B 206  PHE B 209 -1  N  GLN B 208   O  SER B 274           
SHEET    4   D 4 ILE B 249  SER B 250 -1  O  ILE B 249   N  LEU B 207           
SSBOND   1 CYS A  166    CYS A  193                          1555   1555  2.23  
SSBOND   2 CYS A  223    CYS A  241                          1555   1555  2.25  
SSBOND   3 CYS B  166    CYS B  193                          1555   1555  2.65  
SSBOND   4 CYS B  223    CYS B  241                          1555   1555  2.18  
LINK        CA    CA A   1                 O   HOH A   7     1555   1555  2.37  
LINK        CA    CA A   1                 O   HOH A  14     1555   1555  2.49  
LINK        CA    CA A   1                 OE1 GLU A 216     1555   1555  2.20  
LINK        CA    CA A   1                 OD2 ASP A 226     1555   1555  2.43  
LINK        CA    CA A   1                 OD1 ASP A 226     1555   1555  2.68  
LINK        CA    CA A   1                 OD1 ASP A 263     1555   1555  2.39  
LINK        CA    CA A   1                 O   SER A 265     1555   1555  2.32  
LINK        CA    CA B   1                 O   HOH B   4     1555   1555  2.43  
LINK        CA    CA B   1                 O   HOH B   8     1555   1555  2.43  
LINK        CA    CA B   1                 OE1 GLU B 216     1555   1555  2.25  
LINK        CA    CA B   1                 OD2 ASP B 226     1555   1555  2.34  
LINK        CA    CA B   1                 OD1 ASP B 226     1555   1555  3.11  
LINK        CA    CA B   1                 OD1 ASP B 263     1555   1555  2.36  
LINK        CA    CA B   1                 O   SER B 265     1555   1555  2.28  
CISPEP   1 TYR A  183    PRO A  184          0         3.79                     
CISPEP   2 GLY A  238    PRO A  239          0         9.07                     
CISPEP   3 TYR B  183    PRO B  184          0         7.45                     
CISPEP   4 GLY B  238    PRO B  239          0         4.38                     
SITE     1 AC1  6 HOH A   7  HOH A  14  GLU A 216  ASP A 226                    
SITE     2 AC1  6 ASP A 263  SER A 265                                          
SITE     1 AC2  3 HOH A  31  ARG A 269  HOH A 304                               
SITE     1 AC3 12 HOH A  34  HOH A 161  ASP A 182  TYR A 183                    
SITE     2 AC3 12 ASN A 185  PHE A 209  GLU A 210  ASP A 211                    
SITE     3 AC3 12 SER A 245  HOH A 284  HOH A 299  THR B 175                    
SITE     1 AC4  6 HOH B   4  HOH B   8  GLU B 216  ASP B 226                    
SITE     2 AC4  6 ASP B 263  SER B 265                                          
SITE     1 AC5  3 HOH B  30  HOH B  62  ARG B 269                               
CRYST1  100.460  100.460  100.460  90.00  90.00  90.00 P 21 3       24          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.009954  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009954  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009954        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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