ID D2TGE1_CITRI Unreviewed; 585 AA.
AC D2TGE1;
DT 02-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 02-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 75.
DE RecName: Full=Peptidoglycan D,D-transpeptidase FtsI {ECO:0000256|HAMAP-Rule:MF_02080};
DE EC=3.4.16.4 {ECO:0000256|HAMAP-Rule:MF_02080};
DE AltName: Full=Penicillin-binding protein 3 {ECO:0000256|HAMAP-Rule:MF_02080};
DE Short=PBP-3 {ECO:0000256|HAMAP-Rule:MF_02080};
GN Name=ftsI {ECO:0000256|HAMAP-Rule:MF_02080,
GN ECO:0000313|EMBL:CBG86870.1};
GN OrderedLocusNames=ROD_00901 {ECO:0000313|EMBL:CBG86870.1};
OS Citrobacter rodentium (strain ICC168) (Citrobacter freundii biotype 4280).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Citrobacter.
OX NCBI_TaxID=637910 {ECO:0000313|EMBL:CBG86870.1, ECO:0000313|Proteomes:UP000001889};
RN [1] {ECO:0000313|EMBL:CBG86870.1, ECO:0000313|Proteomes:UP000001889}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ICC168 {ECO:0000313|EMBL:CBG86870.1,
RC ECO:0000313|Proteomes:UP000001889};
RX PubMed=19897651; DOI=10.1128/JB.01144-09;
RA Petty N.K., Bulgin R., Crepin V.F., Cerdeno-Tarraga A.M., Schroeder G.N.,
RA Quail M.A., Lennard N., Corton C., Barron A., Clark L., Toribio A.L.,
RA Parkhill J., Dougan G., Frankel G., Thomson N.R.;
RT "The Citrobacter rodentium genome sequence reveals convergent evolution
RT with human pathogenic Escherichia coli.";
RL J. Bacteriol. 192:525-538(2010).
CC -!- FUNCTION: Catalyzes cross-linking of the peptidoglycan cell wall at the
CC division septum. {ECO:0000256|HAMAP-Rule:MF_02080}.
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_02080};
CC -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_02080}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000256|HAMAP-
CC Rule:MF_02080}; Single-pass membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_02080}.
CC -!- SIMILARITY: Belongs to the transpeptidase family. FtsI subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_02080}.
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DR EMBL; FN543502; CBG86870.1; -; Genomic_DNA.
DR RefSeq; WP_012904475.1; NC_013716.1.
DR AlphaFoldDB; D2TGE1; -.
DR STRING; 637910.ROD_00901; -.
DR KEGG; cro:ROD_00901; -.
DR eggNOG; COG0768; Bacteria.
DR HOGENOM; CLU_009289_6_2_6; -.
DR OrthoDB; 9789078at2; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000001889; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0008658; F:penicillin binding; IEA:InterPro.
DR GO; GO:0008955; F:peptidoglycan glycosyltransferase activity; 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:0000917; P:division septum assembly; IEA:UniProtKB-KW.
DR GO; GO:0043093; P:FtsZ-dependent cytokinesis; IEA:UniProtKB-UniRule.
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; 1.10.150.770; -; 1.
DR Gene3D; 3.30.450.330; -; 1.
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_02080; FtsI_transpept; 1.
DR InterPro; IPR012338; Beta-lactam/transpept-like.
DR InterPro; IPR037532; FtsI_transpept.
DR InterPro; IPR005311; PBP_dimer.
DR InterPro; IPR036138; PBP_dimer_sf.
DR InterPro; IPR001460; PCN-bd_Tpept.
DR PANTHER; PTHR30627; PEPTIDOGLYCAN D,D-TRANSPEPTIDASE; 1.
DR PANTHER; PTHR30627:SF1; PEPTIDOGLYCAN D,D-TRANSPEPTIDASE FTSI; 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_02080}; Cell cycle {ECO:0000256|HAMAP-Rule:MF_02080};
KW Cell division {ECO:0000256|HAMAP-Rule:MF_02080};
KW Cell inner membrane {ECO:0000256|HAMAP-Rule:MF_02080};
KW Cell membrane {ECO:0000256|HAMAP-Rule:MF_02080};
KW Cell shape {ECO:0000256|HAMAP-Rule:MF_02080};
KW Cell wall biogenesis/degradation {ECO:0000256|HAMAP-Rule:MF_02080};
KW Glycosyltransferase {ECO:0000313|EMBL:CBG86870.1};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_02080};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_02080};
KW Peptidoglycan synthesis {ECO:0000256|HAMAP-Rule:MF_02080};
KW Protease {ECO:0000256|HAMAP-Rule:MF_02080};
KW Septation {ECO:0000256|HAMAP-Rule:MF_02080};
KW Transferase {ECO:0000313|EMBL:CBG86870.1};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_02080};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_02080}.
FT TRANSMEM 21..41
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
FT DOMAIN 66..217
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 257..551
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 304
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
SQ SEQUENCE 585 AA; 63534 MW; CECDD4DF28DC88B3 CRC64;
MKAAAKPKRQ EEQANFISWR FALLCGCILL ALVFLLGRVA WLQIIAPDML VRQGDMRSLR
VQEVATSRGM ITDRSGRPLA VSVPVKAIWA DPKEVHEAGG VRVGDRWKAL STALNIPLDQ
LAARINANPK GRFIYLARQL NPDMADYIKK LKLPGIHLRE ESRRYYPSGE VTAHLIGFTN
VDSQGIEGVE KSFDKWLTGQ PGERIVRKDR YGRVIEDISS TDSQAAHNLA LSIDERLQAL
VYRELNNAVA FNKAESGSAV LVDVNTGEVL AMANSPSYNP NNLSGTPKDA MRNRTITDVF
EPGSTVKPMV VMTALQRGIV NENTVLNTVP YRINGHEIKD VARYSELTLT GVLQKSSNVG
VSKLALAMPS SALVDTYSRF GLGKATNLGL VGERSGLYPQ KQRWSDIERA TFSFGYGLMV
TPLQLARVYA TIGSYGVYRP LSITKVDPPV PGERIFPESI VRTVVHMMES VALPGGGGVK
AAIKGYRIAI KTGTAKKVGP DGRYINKYIA YTAGVAPASQ PRFALVVVIN DPQAGKYYGG
AVSAPVFGAI MGGVLRTMNI EPDALATGEK SEFVINQGEG TGGRS
//
