ID D3HQN2_LEGLN Unreviewed; 555 AA.
AC D3HQN2;
DT 23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT 23-MAR-2010, sequence version 1.
DT 27-MAR-2024, entry version 74.
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:CBJ11202.1};
GN OrderedLocusNames=LLO_0857 {ECO:0000313|EMBL:CBJ11202.1};
OS Legionella longbeachae serogroup 1 (strain NSW150).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Legionellales;
OC Legionellaceae; Legionella.
OX NCBI_TaxID=661367 {ECO:0000313|EMBL:CBJ11202.1, ECO:0000313|Proteomes:UP000001060};
RN [1] {ECO:0000313|EMBL:CBJ11202.1, ECO:0000313|Proteomes:UP000001060}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NSW150 {ECO:0000313|EMBL:CBJ11202.1,
RC ECO:0000313|Proteomes:UP000001060};
RX PubMed=20174605; DOI=10.1371/journal.pgen.1000851;
RA Cazalet C., Gomez-Valero L., Rusniok C., Lomma M., Dervins-Ravault D.,
RA Newton H., Sansom F., Jarraud S., Zidane N., Ma L., Bouchier C.,
RA Etienne J., Hartland E., Buchrieser C.;
RT "Analysis of the Legionella longbeachae genome and transcriptome uncovers
RT unique strategies to cause Legionnaires' disease.";
RL PLoS Genet. 6:E1000851-E1000851(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; FN650140; CBJ11202.1; -; Genomic_DNA.
DR RefSeq; WP_003632495.1; NC_013861.1.
DR AlphaFoldDB; D3HQN2; -.
DR STRING; 661367.LLO_0857; -.
DR KEGG; llo:LLO_0857; -.
DR eggNOG; COG0768; Bacteria.
DR HOGENOM; CLU_009289_6_2_6; -.
DR OrthoDB; 9766847at2; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000001060; 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 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 Reference proteome {ECO:0000313|Proteomes:UP000001060};
KW Septation {ECO:0000256|HAMAP-Rule:MF_02080};
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 7..29
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
FT DOMAIN 53..203
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 244..539
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 291
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02080"
SQ SEQUENCE 555 AA; 60956 MW; 44AEA56AFFD4934C CRC64;
MKKSTHLNRL IIVSAFFSLL LVILVLRMVD LTVLHRQFLQ GQGNARSLRV VDIPAHRGMI
MDRNGTPLAI STPVESVWVN PKEFAPDKEQ FMSLAAYLNF TPQQLSRKIV DAENKELEFV
YLQRQLPPPL AKQIKALKIP GVNFQKEFKR YYPDSDSISQ LVGFTNVDDQ GLEGIELAYQ
DWLKGVVGKK RVIKDRLGRI IDELGVIKEP RPGRDMTLSI DRRLQYLAYS ELGKTVEEFA
AKSGSVVVVD TENGEILAMA NVPSYNPNSR GRYDKDTYRN RAVTDTFEPG SVIKTFSIAS
ALETGLFKPS TIIDTNPSWM VVHGHAVRDI HNYGVLDVTG VLQHSSNVGV TKMVLASPPE
QLIGLLQRCG FGQRTESTYP GESEGGIVNA KDANPFVLAT LSFGYGLSVT ALQLAKANMI
FANQGKLIPV TLLHNDPPTP GVQVIKPETA QQVLNMMEAV MKDGTGRAAK VPGYRVAGKT
GTARVAGKDG YKDKKYTASF VGIAPVSKPK FVVVVIIHEP SRKGYYAAAV AAPLFTKVMS
GALRLFNIPT DELVG
//
