ID A0A4E0R565_9GAMM Unreviewed; 632 AA.
AC A0A4E0R565;
DT 03-JUL-2019, integrated into UniProtKB/TrEMBL.
DT 03-JUL-2019, sequence version 1.
DT 24-JAN-2024, entry version 16.
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 ORFNames=PN36_04515 {ECO:0000313|EMBL:TGO03552.1};
OS Candidatus Thiomargarita nelsonii.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Thiomargarita.
OX NCBI_TaxID=1003181 {ECO:0000313|EMBL:TGO03552.1, ECO:0000313|Proteomes:UP000030428};
RN [1] {ECO:0000313|EMBL:TGO03552.1, ECO:0000313|Proteomes:UP000030428}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hydrate Ridge {ECO:0000313|EMBL:TGO03552.1};
RX PubMed=27199933; DOI=10.3389/fmicb.2016.00603;
RA Flood B.E., Fliss P., Jones D.S., Dick G.J., Jain S., Kaster A.K.,
RA Winkel M., Mussmann M., Bailey J.;
RT "Single-Cell (Meta-)Genomics of a Dimorphic Candidatus Thiomargarita
RT nelsonii Reveals Genomic Plasticity.";
RL Front. Microbiol. 7:603-603(2016).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:TGO03552.1}.
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DR EMBL; JSZA02000012; TGO03552.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A4E0R565; -.
DR SMR; A0A4E0R565; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000030428; Unassembled WGS sequence.
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 Reference proteome {ECO:0000313|Proteomes:UP000030428};
KW Transmembrane {ECO:0000256|HAMAP-Rule:MF_02081};
KW Transmembrane helix {ECO:0000256|HAMAP-Rule:MF_02081}.
FT TRANSMEM 21..41
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
FT DOMAIN 63..240
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 274..613
FT /note="Penicillin-binding protein transpeptidase"
FT /evidence="ECO:0000259|Pfam:PF00905"
FT ACT_SITE 332
FT /note="Acyl-ester intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02081"
SQ SEQUENCE 632 AA; 71494 MW; 5C7FCDF46CCE3178 CRC64;
MLSTHVIKNP TREGKIFNNR VIIAWLMMLV FLLVIVARLF FLQVINYEEY KTKSNENRIT
ILPIPPTRGL IFDRNGVLIA ENRASYSLEL IPEQVENIDF TIQKISKFIT IEESDLSNFQ
KKLKQRRSFQ SVPLRYRLTD DEVARFSVQK HRFQGVELKN HLSRYYPLGA IGVHAIGYVG
RISKKDEKLM EESNEIDKSN YEGSKYIGKA GLEAYYEIEL HGKTGIRKVE TDVRGKFVQV
LDRTDSVPGK NLYLNIDIDL QKYIEELLGE ERAAVVAIEP ESGNVLALVS MPNYDPNLFV
NGIDHKSYNS LNLSPDRPLI NRAIRGQYPP GSTVKAFVGL AGLEYGVRTP HKRTWCPGFY
RLKGKKHRYR DWKRGGHGSM DLHGAIEQSC DVYFYELAHD LGIDRLHSFM TRFGFGKKTG
IDIPGEKGGL MPSREWKQRR HGVVWYPGET VITGIGQGFM LATPLQMAVA TATLSNRGQL
KQPRIVFAID DVILNEMATV TPTQKNTIIL KRGNYWEHVI GGMKAVVHGR RGTARRVAKN
SPYRFAGKTG TAQVRGIPQG QRYDPNNIPK EHRDHAWFVA FAPLDRARIA VSVIVENGGG
GSKTAAPIAK AVLDYYLLKR SPLVLANNDR SQ
//
