ID A0A068QZX2_9GAMM Unreviewed; 591 AA.
AC A0A068QZX2;
DT 01-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 39.
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:CDG20329.1};
GN ORFNames=XPG1_0674 {ECO:0000313|EMBL:CDG20329.1};
OS Xenorhabdus poinarii G6.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Morganellaceae; Xenorhabdus.
OX NCBI_TaxID=1354304 {ECO:0000313|EMBL:CDG20329.1, ECO:0000313|Proteomes:UP000032735};
RN [1] {ECO:0000313|EMBL:CDG20329.1, ECO:0000313|Proteomes:UP000032735}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=G6 {ECO:0000313|EMBL:CDG20329.1,
RC ECO:0000313|Proteomes:UP000032735};
RA Genoscope - CEA;
RL Submitted (JUL-2013) to the EMBL/GenBank/DDBJ databases.
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; FO704551; CDG20329.1; -; Genomic_DNA.
DR RefSeq; WP_045957773.1; NZ_FO704551.1.
DR AlphaFoldDB; A0A068QZX2; -.
DR STRING; 1354304.XPG1_0674; -.
DR KEGG; xpo:XPG1_0674; -.
DR HOGENOM; CLU_009289_6_2_6; -.
DR OrthoDB; 9789078at2; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000032735; 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:CDG20329.1};
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:CDG20329.1};
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..43
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
FT DOMAIN 66..218
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 259..558
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 306
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
SQ SEQUENCE 591 AA; 64120 MW; 2EE2F54206E68340 CRC64;
MKAARSLKSK KREDKTSFVS WRFALLCSGI GVALIGLLIR VAYLQIFSSE RLIKEGDLRS
LRVQSIPTAR GMINDRNGRP LAVSVPVKAV WADPKEVLEH GGVTNDVRWQ TLADALNVPL
EQLKNKINQY PKGRFVYLAR QVTTSNSDYI ESLKLPGIRL RGETRRYYPT GAITAQLIGV
TNIDGSGIDG AEKSFNSWLS GMPGSQTVRK DRAGRVVEYI SSTDSKAGHD LVLSIDERLQ
TLVYRELAKA VELNKAESGT AVLVDVNTGE ILAMANSPSF NPNNFTMLSK EAMRNRAITD
IFEPGSTVKP LVVMSALNLG IVKENSVLDT RPYRLTYGSR GHEIKDVAPR AELTVTGILQ
KSSNVGVSKL ALSMPASELV DVYGRFGMGK PTNVGLVGES SGLFPTNKQR WSDLDRATFS
FGYGLMVTPL QLARVYATIG SLGIYRPLSI TRVDPPVQGT RVFPEAIMRT VVHMMESVAL
PGGGGVRAAI KGYRIAIKTG TAKKVGPDGK YVNKYISYTA GVAPASKPRF SLVVIINDPQ
AGKYYGGAVS APVFGAIMSG VLRTMNVEPD ALPVGDKNEF IISKEDKSGR S
//
