Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1QJI

Structure of astacin with a transition-state analogue inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A1201
ChainResidue
AHIS92
AHIS96
AHIS102
APKF1202

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE PKF A1202
ChainResidue
AHIS92
AGLU93
AHIS96
AHIS102
ATYR149
ASER153
AASP175
AZN1201
AHOH2070
AHOH2085
AHOH2147
AHOH2165
ACYS64
ATRP65
ASER66
ATYR67
AGLY83

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. TIIHELMHAI
ChainResidueDetails
ATHR89-ILE98

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues198
DetailsDomain: {"description":"Peptidase M12A","evidences":[{"source":"PROSITE-ProRule","id":"PRU01211","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01211","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1319561","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01211","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1319561","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8756323","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ast
ChainResidueDetails
ATYR149
AGLU93

site_idMCSA1
Number of Residues5
DetailsM-CSA 403
ChainResidueDetails
AHIS92metal ligand
AGLU93proton shuttle (general acid/base)
AHIS96metal ligand
AHIS102metal ligand
ATYR149transition state stabiliser

250835

PDB entries from 2026-03-18

PDB statisticsPDBj update infoContact PDBjnumon