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1LK5

Structure of the D-Ribose-5-Phosphate Isomerase from Pyrococcus horikoshii

Functional Information from GO Data
ChainGOidnamespacecontents
A0004751molecular_functionribose-5-phosphate isomerase activity
A0005829cellular_componentcytosol
A0006014biological_processD-ribose metabolic process
A0006098biological_processpentose-phosphate shunt
A0009052biological_processpentose-phosphate shunt, non-oxidative branch
A0016853molecular_functionisomerase activity
B0004751molecular_functionribose-5-phosphate isomerase activity
B0005829cellular_componentcytosol
B0006014biological_processD-ribose metabolic process
B0006098biological_processpentose-phosphate shunt
B0009052biological_processpentose-phosphate shunt, non-oxidative branch
B0016853molecular_functionisomerase activity
C0004751molecular_functionribose-5-phosphate isomerase activity
C0005829cellular_componentcytosol
C0006014biological_processD-ribose metabolic process
C0006098biological_processpentose-phosphate shunt
C0009052biological_processpentose-phosphate shunt, non-oxidative branch
C0016853molecular_functionisomerase activity
D0004751molecular_functionribose-5-phosphate isomerase activity
D0005829cellular_componentcytosol
D0006014biological_processD-ribose metabolic process
D0006098biological_processpentose-phosphate shunt
D0009052biological_processpentose-phosphate shunt, non-oxidative branch
D0016853molecular_functionisomerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 1001
ChainResidue
AGLY99
AGLY101
AALA102
AALA103
AGLU107

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL B 1002
ChainResidue
BGLU107
BHOH1017
BGLY99
BGLY101
BALA102
BALA103

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL C 1003
ChainResidue
CGLY99
CGLY101
CALA102
CALA103
CGLU107

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL D 1004
ChainResidue
DGLY99
DGLY101
DALA102
DALA103
DGLU107
DHOH1020

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CL A 1005
ChainResidue
ASER57
ATYR58
AGLN59
AASP174
CLYS167
CASP168
CGLY169

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL B 1006
ChainResidue
BTYR58
BGLN59
BASP174
DLYS167
DASP168
DGLY169

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CL C 1007
ChainResidue
ALYS167
AASP168
AGLY169
CSER57
CTYR58
CGLN59
CASP174

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CL D 1008
ChainResidue
BLYS167
BASP168
BGLY169
DSER57
DTYR58
DGLN59
DASP174

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 1009
ChainResidue
AVAL165
AASN166
CVAL165
CASN166

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 1010
ChainResidue
BVAL165
BASN166
DVAL165
DASN166

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 1011
ChainResidue
AASN175
AHOH1016
AHOH1024
BASN175
BHOH1016
BHOH1026

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA C 1012
ChainResidue
CASN175
CHOH1039
CHOH1047
DASN175
DHOH1014
DHOH1069

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"12057201","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12057201","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1LK7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12057201","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1LK7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Plays a direct or indirect catalytic role"}
ChainResidueDetails

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PDB entries from 2025-07-16

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