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4QR8

Crystal Structure of E coli pepQ

Functional Information from GO Data
ChainGOidnamespacecontents
A0004177molecular_functionaminopeptidase activity
A0005515molecular_functionprotein binding
A0005829cellular_componentcytosol
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008235molecular_functionmetalloexopeptidase activity
A0016795molecular_functionphosphoric triester hydrolase activity
A0016805molecular_functiondipeptidase activity
A0030145molecular_functionmanganese ion binding
A0042803molecular_functionprotein homodimerization activity
A0043171biological_processpeptide catabolic process
A0070573molecular_functionmetallodipeptidase activity
A0102009molecular_functionproline dipeptidase activity
B0004177molecular_functionaminopeptidase activity
B0005515molecular_functionprotein binding
B0005829cellular_componentcytosol
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008235molecular_functionmetalloexopeptidase activity
B0016795molecular_functionphosphoric triester hydrolase activity
B0016805molecular_functiondipeptidase activity
B0030145molecular_functionmanganese ion binding
B0042803molecular_functionprotein homodimerization activity
B0043171biological_processpeptide catabolic process
B0070573molecular_functionmetallodipeptidase activity
B0102009molecular_functionproline dipeptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 501
ChainResidue
AASP257
AHIS339
AGLU384
AGLU423
AMG502

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 502
ChainResidue
AMG501
AHOH1174
AASP246
AASP257
ATHR259
AGLU423

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 501
ChainResidue
BASP257
BHIS339
BGLU384
BGLU423
BMG502

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG B 502
ChainResidue
BASP246
BASP257
BGLU423
BMG501

Functional Information from PROSITE/UniProt
site_idPS00491
Number of Residues13
DetailsPROLINE_PEPTIDASE Aminopeptidase P and proline dipeptidase signature. HGIGHpLGLqVHD
ChainResidueDetails
AHIS335-ASP347

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

251422

PDB entries from 2026-04-01

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