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

1Q3K

Crystal structure of creatinine amidohydrolase (creatininase)

Functional Information from GO Data
ChainGOidnamespacecontents
A0006601biological_processcreatine biosynthetic process
A0006602biological_processcreatinine catabolic process
A0008270molecular_functionzinc ion binding
A0009231biological_processriboflavin biosynthetic process
A0016787molecular_functionhydrolase activity
A0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
A0030145molecular_functionmanganese ion binding
A0046872molecular_functionmetal ion binding
A0047789molecular_functioncreatininase activity
B0006601biological_processcreatine biosynthetic process
B0006602biological_processcreatinine catabolic process
B0008270molecular_functionzinc ion binding
B0009231biological_processriboflavin biosynthetic process
B0016787molecular_functionhydrolase activity
B0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
B0030145molecular_functionmanganese ion binding
B0046872molecular_functionmetal ion binding
B0047789molecular_functioncreatininase activity
C0006601biological_processcreatine biosynthetic process
C0006602biological_processcreatinine catabolic process
C0008270molecular_functionzinc ion binding
C0009231biological_processriboflavin biosynthetic process
C0016787molecular_functionhydrolase activity
C0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
C0030145molecular_functionmanganese ion binding
C0046872molecular_functionmetal ion binding
C0047789molecular_functioncreatininase activity
D0006601biological_processcreatine biosynthetic process
D0006602biological_processcreatinine catabolic process
D0008270molecular_functionzinc ion binding
D0009231biological_processriboflavin biosynthetic process
D0016787molecular_functionhydrolase activity
D0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
D0030145molecular_functionmanganese ion binding
D0046872molecular_functionmetal ion binding
D0047789molecular_functioncreatininase activity
E0006601biological_processcreatine biosynthetic process
E0006602biological_processcreatinine catabolic process
E0008270molecular_functionzinc ion binding
E0009231biological_processriboflavin biosynthetic process
E0016787molecular_functionhydrolase activity
E0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
E0030145molecular_functionmanganese ion binding
E0046872molecular_functionmetal ion binding
E0047789molecular_functioncreatininase activity
F0006601biological_processcreatine biosynthetic process
F0006602biological_processcreatinine catabolic process
F0008270molecular_functionzinc ion binding
F0009231biological_processriboflavin biosynthetic process
F0016787molecular_functionhydrolase activity
F0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
F0030145molecular_functionmanganese ion binding
F0046872molecular_functionmetal ion binding
F0047789molecular_functioncreatininase activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ZN A 300
ChainResidue
AGLU34
AASP45
AHIS120
AZN301
AHOH903
AHOH904
AHOH905

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 301
ChainResidue
AGLU183
AZN300
AHOH903
AHIS36
AASP45

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ZN B 300
ChainResidue
BGLU34
BASP45
BHIS120
BZN301
BHOH902
BHOH903
BHOH904

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN B 301
ChainResidue
BHIS36
BASP45
BGLU183
BZN300
BHOH902
BHOH905

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ZN C 300
ChainResidue
CGLU34
CASP45
CHIS120
CZN301
CHOH905
CHOH906
CHOH907

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN C 301
ChainResidue
CHIS36
CASP45
CGLU183
CZN300
CHOH905
CHOH908

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN D 300
ChainResidue
DGLU34
DASP45
DHIS120
DZN301
DHOH302
DHOH303

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN D 301
ChainResidue
DHIS36
DASP45
DGLU183
DZN300
DHOH302

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN E 300
ChainResidue
EGLU34
EASP45
EHIS120
EZN301
EHOH905
EHOH907

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN E 301
ChainResidue
EHIS36
EASP45
EGLU183
EZN300
EHOH904
EHOH906

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN F 300
ChainResidue
FGLU34
FASP45
FHIS120
FZN301
FHOH302
FHOH303

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN F 301
ChainResidue
FHIS36
FASP45
FGLU183
FZN300
FHOH302
FHOH304

site_idBC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL B 901
ChainResidue
BVAL19
BGLY22
BASP23
BCYS24
BGLY110
BARG112
BARG113

site_idBC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 902
ChainResidue
ALEU68
AGLN69
ATYR70
BGLN69
BTYR70
BTHR98
BHOH982

site_idBC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL E 903
ChainResidue
ELEU68
EGLN69
ETYR70
EHOH911
EHOH1005
FLEU68
FGLN69
FTYR70

site_idBC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL C 904
ChainResidue
DGLN69
DTYR70
DTHR98
CLEU68
CGLN69
CTYR70
CHOH913

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12946365","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20043918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3A6L","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12946365","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15003455","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20043918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1V7Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3A6J","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3A6K","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3A6L","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues30
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15003455","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20043918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1V7Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3A6J","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsSite: {"description":"Coordinates a catalytic water molecule"}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
AGLU34metal ligand
AHIS36metal ligand
AASP45metal ligand
AHIS120metal ligand
AGLU122electrostatic stabiliser
AHIS178proton acceptor, proton donor
AGLU183metal ligand

site_idMCSA2
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
BGLU34metal ligand
BHIS36metal ligand
BASP45metal ligand
BHIS120metal ligand
BGLU122electrostatic stabiliser
BHIS178proton acceptor, proton donor
BGLU183metal ligand

site_idMCSA3
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
CGLU34metal ligand
CHIS36metal ligand
CASP45metal ligand
CHIS120metal ligand
CGLU122electrostatic stabiliser
CHIS178proton acceptor, proton donor
CGLU183metal ligand

site_idMCSA4
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
DGLU34metal ligand
DHIS36metal ligand
DASP45metal ligand
DHIS120metal ligand
DGLU122electrostatic stabiliser
DHIS178proton acceptor, proton donor
DGLU183metal ligand

site_idMCSA5
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
EGLU34metal ligand
EHIS36metal ligand
EASP45metal ligand
EHIS120metal ligand
EGLU122electrostatic stabiliser
EHIS178proton acceptor, proton donor
EGLU183metal ligand

site_idMCSA6
Number of Residues7
DetailsM-CSA 720
ChainResidueDetails
FGLU34metal ligand
FHIS36metal ligand
FASP45metal ligand
FHIS120metal ligand
FGLU122electrostatic stabiliser
FHIS178proton acceptor, proton donor
FGLU183metal ligand

247947

PDB entries from 2026-01-21

PDB statisticsPDBj update infoContact PDBjnumon