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HAMAP rule MF_02081

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General rule information [?]

PURL https://purl.expasy.org/hamap/rule/MF_02081
Accession MF_02081
Dates 06-DEC-2016 (Created)
14-AUG-2024 (Last updated, Version 9)
Name MrdA_transpept
Scope(s) Bacteria
Pseudomonadota
Template(s) P0AD65; D0C8Z9; [ Recover all ]
Triggered by HAMAP; MF_02081 (Get profile general information and statistics)

Propagated annotation [?]

Identifier, protein and gene names [?]

Identifier MRDA
Protein name RecName: Full=Peptidoglycan D,D-transpeptidase MrdA;
                 EC=3.4.16.4;
AltName: Full=Penicillin-binding protein 2;
                 Short=PBP-2;
Gene name Name=mrdA;

Comments [?]

FUNCTIONCatalyzes cross-linking of the peptidoglycan cell wall.
CATALYTIC ACTIVITY Reaction=Preferential cleavage: (Ac)2-L-Lys-D-Ala-|-D-Ala. Also transpeptidation of peptidyl-alanyl moieties that are N-acyl substituents of D-alanine.; EC=3.4.16.4;
case <FTGroup:1>
COFACTOR Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Note=Binds one Zn(2+) ion per subunit.;
end case
PATHWAYCell wall biogenesis; peptidoglycan biosynthesis.
case <Feature:Transmembrane==1>
SUBCELLULAR LOCATIONCell inner membrane; Single-pass membrane protein.
end case
SIMILARITYBelongs to the transpeptidase family. MrdA subfamily.

Keywords [?]


Gene Ontology [?]

GO:0009002; Molecular function:serine-type D-Ala-D-Ala carboxypeptidase activity
case <FTGroup:1>
GO:0008270; Molecular function:zinc ion binding
end case
GO:0009252; Biological process:peptidoglycan biosynthetic process
GO:0005886; Cellular component:plasma membrane

Cross-references [?]

Pfam PF03717; PBP_dimer; 1;
Pfam PF00905; Transpeptidase; 1;
NCBIfam TIGR03423; pbp2_mrdA; 1;
General Transmembrane; -; 1;

Features [?]

From: MRDA_ECOLI (P0AD65)
Key From To Description Tag Condition FTGroup
ACT_SITE 330 330 /note="Acyl-ester intermediate" S
From: MRDA_ACIB2 (D0C8Z9)
Key From To Description Tag Condition FTGroup
BINDING 350 350 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
D 1
BINDING 365 365 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
D 1
BINDING 371 371 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
H 1
BINDING 384 384 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
C 1

Additional information [?]

Size range 580-810 amino acids
Related rules None
Fusion Nter: None Cter: None



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