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3QC3

Crystal structure of a D-ribulose-5-phosphate-3-epimerase (NP_954699) from HOMO SAPIENS at 2.20 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0004750molecular_functionD-ribulose-phosphate 3-epimerase activity
A0005515molecular_functionprotein binding
A0005829cellular_componentcytosol
A0005975biological_processcarbohydrate metabolic process
A0006098biological_processpentose-phosphate shunt
A0009052biological_processpentose-phosphate shunt, non-oxidative branch
A0016853molecular_functionisomerase activity
A0016857molecular_functionracemase and epimerase activity, acting on carbohydrates and derivatives
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0046872molecular_functionmetal ion binding
A0070062cellular_componentextracellular exosome
B0004750molecular_functionD-ribulose-phosphate 3-epimerase activity
B0005515molecular_functionprotein binding
B0005829cellular_componentcytosol
B0005975biological_processcarbohydrate metabolic process
B0006098biological_processpentose-phosphate shunt
B0009052biological_processpentose-phosphate shunt, non-oxidative branch
B0016853molecular_functionisomerase activity
B0016857molecular_functionracemase and epimerase activity, acting on carbohydrates and derivatives
B0042802molecular_functionidentical protein binding
B0042803molecular_functionprotein homodimerization activity
B0046872molecular_functionmetal ion binding
B0070062cellular_componentextracellular exosome
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 229
ChainResidue
AHIS35
AASP37
AHIS70
AASP175
AGOL232
AHOH463

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI A 230
ChainResidue
AASP175
AGOL232
AHOH463
AHIS35
AASP37
AHIS70

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FE A 231
ChainResidue
AHIS35
AASP37
AHIS70
AASP175
AGOL232
AHOH463

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GOL A 232
ChainResidue
AASP37
AMSE39
AHIS70
AMSE72
APRO145
AGLY146
AASP175
AZN229
ANI230
AFE231
AHOH463

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN B 229
ChainResidue
BHIS35
BASP37
BHIS70
BASP175
BGOL232
BHOH456

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI B 230
ChainResidue
BHIS35
BASP37
BHIS70
BASP175
BGOL232
BHOH456

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FE B 231
ChainResidue
BHIS35
BASP37
BHIS70
BASP175
BGOL232
BHOH456

site_idAC8
Number of Residues12
DetailsBINDING SITE FOR RESIDUE GOL B 232
ChainResidue
BASP37
BMSE39
BHIS70
BMSE72
BPRO145
BGLY146
BASP175
BZN229
BNI230
BFE231
BHOH404
BHOH456

Functional Information from PROSITE/UniProt
site_idPS01085
Number of Residues15
DetailsRIBUL_P_3_EPIMER_1 Ribulose-phosphate 3-epimerase family signature 1. LHLDVmDghFVpNiT
ChainResidueDetails
ALEU34-THR48

site_idPS01086
Number of Residues23
DetailsRIBUL_P_3_EPIMER_2 Ribulose-phosphate 3-epimerase family signature 2. AlVMTVePgfgGQkFmedmmpKV
ChainResidueDetails
AALA138-VAL160

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"20923965","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3OVQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OVR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20923965","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3OVR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20923965","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"MAR-2011","submissionDatabase":"PDB data bank","title":"Crystal structure of a D-ribulose-5-phosphate-3-epimerase (NP_954699) from Homo sapiens at 2.20 A resolution.","authoringGroup":["Joint center for structural genomics (JCSG)"]}},{"source":"PDB","id":"3OVP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OVQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OVR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QC3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20923965","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3OVQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OVR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N-acetylalanine","evidences":[{"source":"PubMed","id":"22814378","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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