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1RK2

E. COLI RIBOKINASE COMPLEXED WITH RIBOSE AND ADP, SOLVED IN SPACE GROUP P212121

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004747molecular_functionribokinase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006014biological_processD-ribose metabolic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0019303biological_processD-ribose catabolic process
A0042803molecular_functionprotein homodimerization activity
A0044281biological_processsmall molecule metabolic process
A0046835biological_processcarbohydrate phosphorylation
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0004747molecular_functionribokinase activity
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006014biological_processD-ribose metabolic process
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0019303biological_processD-ribose catabolic process
B0042803molecular_functionprotein homodimerization activity
B0044281biological_processsmall molecule metabolic process
B0046835biological_processcarbohydrate phosphorylation
B0046872molecular_functionmetal ion binding
C0000166molecular_functionnucleotide binding
C0004747molecular_functionribokinase activity
C0005524molecular_functionATP binding
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006014biological_processD-ribose metabolic process
C0016301molecular_functionkinase activity
C0016740molecular_functiontransferase activity
C0019303biological_processD-ribose catabolic process
C0042803molecular_functionprotein homodimerization activity
C0044281biological_processsmall molecule metabolic process
C0046835biological_processcarbohydrate phosphorylation
C0046872molecular_functionmetal ion binding
D0000166molecular_functionnucleotide binding
D0004747molecular_functionribokinase activity
D0005524molecular_functionATP binding
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006014biological_processD-ribose metabolic process
D0016301molecular_functionkinase activity
D0016740molecular_functiontransferase activity
D0019303biological_processD-ribose catabolic process
D0042803molecular_functionprotein homodimerization activity
D0044281biological_processsmall molecule metabolic process
D0046835biological_processcarbohydrate phosphorylation
D0046872molecular_functionmetal ion binding
Functional Information from PROSITE/UniProt
site_idPS00584
Number of Residues14
DetailsPFKB_KINASES_2 pfkB family of carbohydrate kinases signature 2. DTiAAGDtfnGALI
ChainResidueDetails
AASP249-ILE262

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_01987","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11786021","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues60
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01987","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10438599","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11786021","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9519409","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01987","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11786021","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01987","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10438599","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11786021","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
Detailsa catalytic site defined by CSA, PubMed 9519409
ChainResidueDetails
AGLY254

site_idMCSA1
Number of Residues4
DetailsM-CSA 663
ChainResidueDetails
AALA252electrostatic stabiliser, polar interaction
AALA253electrostatic stabiliser, polar interaction
AGLY254electrostatic stabiliser, polar interaction
AASP255electrostatic stabiliser, proton acceptor, proton donor

site_idMCSA2
Number of Residues4
DetailsM-CSA 663
ChainResidueDetails
BALA252electrostatic stabiliser, polar interaction
BALA253electrostatic stabiliser, polar interaction
BGLY254electrostatic stabiliser, polar interaction
BASP255electrostatic stabiliser, proton acceptor, proton donor

site_idMCSA3
Number of Residues4
DetailsM-CSA 663
ChainResidueDetails
CALA252electrostatic stabiliser, polar interaction
CALA253electrostatic stabiliser, polar interaction
CGLY254electrostatic stabiliser, polar interaction
CASP255electrostatic stabiliser, proton acceptor, proton donor

site_idMCSA4
Number of Residues4
DetailsM-CSA 663
ChainResidueDetails
DALA252electrostatic stabiliser, polar interaction
DALA253electrostatic stabiliser, polar interaction
DGLY254electrostatic stabiliser, polar interaction
DASP255electrostatic stabiliser, proton acceptor, proton donor

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PDB entries from 2025-12-10

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