ID B5XX55_KLEP3 Unreviewed; 636 AA.
AC B5XX55;
DT 25-NOV-2008, integrated into UniProtKB/TrEMBL.
DT 25-NOV-2008, sequence version 1.
DT 27-MAR-2024, entry version 71.
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=KPK_2538 {ECO:0000313|EMBL:ACI10934.1};
OS Klebsiella pneumoniae (strain 342).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX NCBI_TaxID=507522 {ECO:0000313|EMBL:ACI10934.1, ECO:0000313|Proteomes:UP000001734};
RN [1] {ECO:0000313|EMBL:ACI10934.1, ECO:0000313|Proteomes:UP000001734}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=342 {ECO:0000313|EMBL:ACI10934.1,
RC ECO:0000313|Proteomes:UP000001734};
RX PubMed=18654632; DOI=10.1371/journal.pgen.1000141;
RA Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H.,
RA Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y.,
RA Khouri H., Roesch L.F., Krogfelt K.A., Struve C., Triplett E.W.,
RA Methe B.A.;
RT "Complete genome sequence of the N2-fixing broad host range endophyte
RT Klebsiella pneumoniae 342 and virulence predictions verified in mice.";
RL PLoS Genet. 4:E1000141-E1000141(2008).
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; CP000964; ACI10934.1; -; Genomic_DNA.
DR AlphaFoldDB; B5XX55; -.
DR KEGG; kpe:KPK_2538; -.
DR HOGENOM; CLU_009289_1_2_6; -.
DR BioCyc; KPNE507522:GI0B-2530-MONOMER; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000001734; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
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 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 Transmembrane {ECO:0000256|HAMAP-Rule:MF_02081};
KW Transmembrane helix {ECO:0000256|HAMAP-Rule:MF_02081}.
FT TRANSMEM 21..43
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
FT DOMAIN 65..238
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 273..612
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 331
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
SQ SEQUENCE 636 AA; 71152 MW; 4A742DAC31F9A274 CRC64;
MPLLRDEIRD HSAEEMLFIR RAAIAFLLVV VCFGVLIVNL YHLQVEQHDF YQTRSNQNDI
KMLPIAPSRG LIFDRNGIPL VQNITLYRLQ VIPSKIPDMT ALLQSLTPIV DLTPDDIASF
RDDMHHNSRY KAVTLKSDLS DVEVARFAVN EFRFPGVTVE SYQQREYPYG AELAHVVGYV
SKINDNDLQR LAKDGEEENY AADHNIGKQG IEGYYEKALH GTTGYQEVEV DNHGRVVRLL
KEVPPVAGKN LYLTLDLHLQ QYIESVLKGQ RAAVVVVDPR DGGVLAMVSS PSYDPNPFVK
GIGYQAYKSL LDNPDRPLIN RVTQGLYPPA STVKPYMALS ALSAGVITPN TTFFGAPTWT
LPGTQRRYRD WLKTGHGMLN VTKAIEESAD TFFYQVAFEM GIDRIHEWLS KFGYGQSTGI
DLNEEYAGVL PSREWKQRVH KKPWYQGDTI SVGIGQGYWI ATPIQMVKAL TTLLNNGKVQ
DPHLLYSMKQ GNHVERYQQP ANLPQVGDPK SPYWGIVRNG MYGMANLPNG TGYKLFHTAP
YQIAAKSGTS QVFSLKQNQT YNAKMIPVRL RDHIFYTLFA PYQHPKVAMA LILENGGGDG
VVAGPTARAI LDHIFVPQQA SSAAADVPQR DSADAQ
//
