ID Q1QXB0_CHRSD Unreviewed; 633 AA.
AC Q1QXB0;
DT 16-MAY-2006, integrated into UniProtKB/TrEMBL.
DT 16-MAY-2006, sequence version 1.
DT 27-MAR-2024, entry version 112.
DE RecName: Full=Peptidoglycan D,D-transpeptidase MrdA {ECO:0000256|HAMAP-Rule:MF_02081};
DE EC=3.4.16.4 {ECO:0000256|HAMAP-Rule:MF_02081};
DE AltName: Full=Penicillin-binding protein 2 {ECO:0000256|HAMAP-Rule:MF_02081};
DE Short=PBP-2 {ECO:0000256|HAMAP-Rule:MF_02081};
GN Name=mrdA {ECO:0000256|HAMAP-Rule:MF_02081};
GN OrderedLocusNames=Csal_1545 {ECO:0000313|EMBL:ABE58898.1};
OS Chromohalobacter salexigens (strain ATCC BAA-138 / DSM 3043 / CIP 106854 /
OS NCIMB 13768 / 1H11).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Chromohalobacter.
OX NCBI_TaxID=290398 {ECO:0000313|EMBL:ABE58898.1, ECO:0000313|Proteomes:UP000000239};
RN [1] {ECO:0000313|EMBL:ABE58898.1, ECO:0000313|Proteomes:UP000000239}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-138 / DSM 3043 / CIP 106854 / NCIMB 13768 / 1H11
RC {ECO:0000313|Proteomes:UP000000239};
RX PubMed=22675587; DOI=10.4056/sigs.2285059;
RA Copeland A., O'Connor K., Lucas S., Lapidus A., Berry K.W., Detter J.C.,
RA Del Rio T.G., Hammon N., Dalin E., Tice H., Pitluck S., Bruce D.,
RA Goodwin L., Han C., Tapia R., Saunders E., Schmutz J., Brettin T.,
RA Larimer F., Land M., Hauser L., Vargas C., Nieto J.J., Kyrpides N.C.,
RA Ivanova N., Goker M., Klenk H.P., Csonka L.N., Woyke T.;
RT "Complete genome sequence of the halophilic and highly halotolerant
RT Chromohalobacter salexigens type strain (1H11(T)).";
RL Stand. Genomic Sci. 5:379-388(2011).
CC -!- FUNCTION: Catalyzes cross-linking of the peptidoglycan cell wall.
CC {ECO:0000256|HAMAP-Rule:MF_02081}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Preferential cleavage: (Ac)2-L-Lys-D-Ala-|-D-Ala. Also
CC transpeptidation of peptidyl-alanyl moieties that are N-acyl
CC substituents of D-alanine.; EC=3.4.16.4; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_02081};
CC -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_02081}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000256|HAMAP-
CC Rule:MF_02081}; Single-pass membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_02081}. Membrane {ECO:0000256|ARBA:ARBA00004167}; Single-pass
CC membrane protein {ECO:0000256|ARBA:ARBA00004167}.
CC -!- SIMILARITY: Belongs to the transpeptidase family. MrdA subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_02081}.
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DR EMBL; CP000285; ABE58898.1; -; Genomic_DNA.
DR RefSeq; WP_011506844.1; NC_007963.1.
DR AlphaFoldDB; Q1QXB0; -.
DR STRING; 290398.Csal_1545; -.
DR KEGG; csa:Csal_1545; -.
DR eggNOG; COG0768; Bacteria.
DR HOGENOM; CLU_009289_1_2_6; -.
DR OrthoDB; 9766847at2; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000000239; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016757; F:glycosyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0008658; F:penicillin binding; IEA:InterPro.
DR GO; GO:0009002; F:serine-type D-Ala-D-Ala carboxypeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR Gene3D; 3.40.710.10; DD-peptidase/beta-lactamase superfamily; 1.
DR Gene3D; 3.90.1310.10; Penicillin-binding protein 2a (Domain 2); 1.
DR HAMAP; MF_02081; MrdA_transpept; 1.
DR InterPro; IPR012338; Beta-lactam/transpept-like.
DR InterPro; IPR005311; PBP_dimer.
DR InterPro; IPR036138; PBP_dimer_sf.
DR InterPro; IPR001460; PCN-bd_Tpept.
DR InterPro; IPR017790; Penicillin-binding_protein_2.
DR NCBIfam; TIGR03423; pbp2_mrdA; 1.
DR PANTHER; PTHR30627; PEPTIDOGLYCAN D,D-TRANSPEPTIDASE; 1.
DR PANTHER; PTHR30627:SF2; PEPTIDOGLYCAN D,D-TRANSPEPTIDASE MRDA; 1.
DR Pfam; PF03717; PBP_dimer; 1.
DR Pfam; PF00905; Transpeptidase; 1.
DR SUPFAM; SSF56601; beta-lactamase/transpeptidase-like; 1.
DR SUPFAM; SSF56519; Penicillin binding protein dimerisation domain; 1.
PE 3: Inferred from homology;
KW Carboxypeptidase {ECO:0000256|ARBA:ARBA00022645, ECO:0000256|HAMAP-
KW Rule:MF_02081}; Cell inner membrane {ECO:0000256|HAMAP-Rule:MF_02081};
KW Cell membrane {ECO:0000256|HAMAP-Rule:MF_02081};
KW Cell shape {ECO:0000256|HAMAP-Rule:MF_02081};
KW Cell wall biogenesis/degradation {ECO:0000256|HAMAP-Rule:MF_02081};
KW Glycosyltransferase {ECO:0000313|EMBL:ABE58898.1};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_02081};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_02081};
KW Peptidoglycan synthesis {ECO:0000256|HAMAP-Rule:MF_02081};
KW Protease {ECO:0000256|HAMAP-Rule:MF_02081};
KW Reference proteome {ECO:0000313|Proteomes:UP000000239};
KW Transferase {ECO:0000313|EMBL:ABE58898.1};
KW Transmembrane {ECO:0000256|HAMAP-Rule:MF_02081};
KW Transmembrane helix {ECO:0000256|HAMAP-Rule:MF_02081}.
FT TRANSMEM 21..42
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
FT DOMAIN 65..237
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 269..604
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 328
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
SQ SEQUENCE 633 AA; 71139 MW; BA12A4378B97FEC6 CRC64;
MRKRRDAIKD TEREVRVFRG RSFLAAVLVL LMAGGLGARL FYLQVVEHEV FTTRSENNRV
RVEPLPPTRG LIYDRQGKLV AENRPTYNLT IVRERVDDLD ATLERLVDVL GLDEDQVAAF
RKRSRQRQRP YQPALLMSDL SERQIAHLAV NRYRLPGVEV EAQWLRYYPD PKIMSHVLGY
VGRINEQELA SLDGGNYAGT HYIGKTGIEK QYEAALHGQA GLRKVETNAR GRVLRELERT
PPQPGKDLTL TIDTRLQQLA YDLLDGRRGS IVAIQPQTGD ILAMVSAPGF DSNKFVTGIS
YKDYQALQQD LDLPLFNRAV RGHYPPGSTI KPFEALAALQ HGVVTPDEVI YDPGYYKLPN
DSRHYRNWLR WGHGRVDLER ALAVSNNTYF YTMAHRLGID ALSSFMHKFG FGEVNSLDVQ
GASAGTVPSR EWKRAKYDQP WYPGETLSAG IGQGYWMVTP LQLATAEATL ANRGHWVRPH
LAKRVGETTV EPPFENTRQD VELDKDAWWD DVFSGMQKVV SGREGTARHI GKGLKYEMAG
KSGTAQVFSL GQNQKYDADE LRERLRDHAL FTAFAPVDDP QIAIAVIVEN AGGGSSHAAG
LARALADEWL LPDDENTHQA EKLIEEDVEV EGT
//
