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HAMAP rule MF_00504

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General rule information [?]

Accession MF_00504
Dates 3-DEC-2001 (Created)
19-NOV-2022 (Last updated, Version 31)
Name Aminopeptidase_M17
Scope(s) Bacteria
Template(s) P37095 (PEPB_ECOLI); Q9RF52 (PEPB_SALTY); [ Recover all ]
Triggered by HAMAP; MF_00504 (Get profile general information and statistics)

Propagated annotation [?]

Identifier, protein and gene names [?]

Identifier PEPB
Protein name RecName: Full=Peptidase B;
                 EC=3.4.11.23;
AltName: Full=Aminopeptidase B;
Gene name Name=pepB;

Comments [?]

FUNCTIONProbably plays an important role in intracellular peptide degradation.
CATALYTIC ACTIVITY Reaction=Release of an N-terminal amino acid, Xaa, from a peptide or arylamide. Xaa is preferably Glu or Asp but may be other amino acids, including Leu, Met, His, Cys and Gln.; EC=3.4.11.23;
COFACTOR Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Note=Binds 2 manganese ions per subunit.;
SUBUNITHomohexamer.
SUBCELLULAR LOCATIONCytoplasm.
SIMILARITYBelongs to the peptidase M17 family.

Keywords [?]


Gene Ontology [?]

GO:0004177; Molecular function:aminopeptidase activity
GO:0030145; Molecular function:manganese ion binding
GO:0006508; Biological process:proteolysis
GO:0005737; Cellular component:cytoplasm

Cross-references [?]

Pfam PF00883; Peptidase_M17; 1;
PRINTS PR00481; LAMNOPPTDASE; 1;
PROSITE PS00631; CYTOSOL_AP; 1;

Features [?]

From: PEPB_ECOLI (P37095)
Key From To Description Tag Condition FTGroup
ACT_SITE 207 207 K
ACT_SITE 281 281 R
BINDING 195 195 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="2"
K
BINDING 200 200 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="1"
D
BINDING 200 200 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="2"
D
BINDING 218 218 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="2"
D
BINDING 277 277 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="1"
D
BINDING 279 279 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="1"
E
BINDING 279 279 /ligand="Mn(2+)"
/ligand_id="ChEBI:CHEBI:29035"
/ligand_label="2"
E

Additional information [?]

Size range 427-456 amino acids
Related rules MF_00181
Fusion Nter: None Cter: None



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