ID J3Z5H1_9ENTR Unreviewed; 626 AA.
AC J3Z5H1;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 50.
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=A35E_00273 {ECO:0000313|EMBL:AFP85579.1};
OS secondary endosymbiont of Heteropsylla cubana.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; aphid secondary symbionts.
OX NCBI_TaxID=134287 {ECO:0000313|EMBL:AFP85579.1, ECO:0000313|Proteomes:UP000003937};
RN [1] {ECO:0000313|EMBL:AFP85579.1, ECO:0000313|Proteomes:UP000003937}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hcub_S {ECO:0000313|EMBL:AFP85579.1};
RX PubMed=22821013; DOI=10.1093/molbev/mss180;
RA Sloan D.B., Moran N.A.;
RT "Genome reduction and co-evolution between the primary and secondary
RT bacterial symbionts of psyllids.";
RL Mol. Biol. Evol. 29:3781-3792(2012).
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; CP003547; AFP85579.1; -; Genomic_DNA.
DR RefSeq; WP_014888876.1; NC_018420.1.
DR AlphaFoldDB; J3Z5H1; -.
DR STRING; 134287.A35E_00273; -.
DR KEGG; sehc:A35E_00273; -.
DR PATRIC; fig|134287.3.peg.264; -.
DR HOGENOM; CLU_009289_1_2_6; -.
DR OrthoDB; 9766847at2; -.
DR UniPathway; UPA00219; -.
DR Proteomes; UP000003937; 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 Reference proteome {ECO:0000313|Proteomes:UP000003937};
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..240
FT /note="Penicillin-binding protein dimerisation"
FT /evidence="ECO:0000259|Pfam:PF03717"
FT DOMAIN 273..604
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 626 AA; 71162 MW; B90A315F6C1C7C0D CRC64;
MNIKCNPFQD YAAELALFVR RVFISFFGML MLSSILVVNL YHLQVTCFED YRTRSNKNRI
KILPIAPSRG IVYDCNGIPL ALNRTTYQLE LVIEKVKDLS NTIASLRSIV DVTYNDILNF
EKERKRSRRF ASLPLKVGLT DVQQARFAIN QYRFPGVTVK GYQRRYYPHG STLTHVIGYM
SKINNHDLEY LDKTGTLQNY AATNDIGKLG IERYYESTLH GTIGYEAVEV NNLGRVIRQL
YETPPQAGND ITLTLDLRLQ KYIEKLLIGS RAAVVVVDPR DGAIRALVSH PSYDPNLFVD
GISNKEYHAL LENENRPLIN RATQGVYPPA STVKPYISVS ALTLGLINKN SSLFDPGWWK
LPGSEKRYRD WKRCGHGWLN ITRALEESSD TFFYQVAYDM GIDRLAEWMT KFGYGQYTGV
DLYEERACVM PTREWKISRV KQPWYQGDTI PVGIGQGYWT ATPLQMSKAL MTLINDGTVR
TPHLLSVIKK NGRYIPYVQK ENIRIDDSDS SFWEIAKDGM YGVANRPNGT AYQSFADAPY
KVAAKSGTAQ VYGLKSNETY HAYKVTERLR DHKLMTAFAS YEEPTVGIVV ILENGGVGRR
VGMITRQILD YIFLGDKTIE LSNSSP
//
