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5HTK

Human Heart 6-Phosphofructo-2-Kinase/Fructose-2,6-Bisphosphatase (PFKFB2)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0003873molecular_function6-phosphofructo-2-kinase activity
A0004331molecular_functionfructose-2,6-bisphosphate 2-phosphatase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005654cellular_componentnucleoplasm
A0005829cellular_componentcytosol
A0006000biological_processfructose metabolic process
A0006003biological_processfructose 2,6-bisphosphate metabolic process
A0006094biological_processgluconeogenesis
A0006096biological_processglycolytic process
A0019900molecular_functionkinase binding
A0019901molecular_functionprotein kinase binding
A0043540cellular_component6-phosphofructo-2-kinase/fructose-2,6-biphosphatase complex
A0045821biological_processpositive regulation of glycolytic process
B0003824molecular_functioncatalytic activity
B0003873molecular_function6-phosphofructo-2-kinase activity
B0004331molecular_functionfructose-2,6-bisphosphate 2-phosphatase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005654cellular_componentnucleoplasm
B0005829cellular_componentcytosol
B0006000biological_processfructose metabolic process
B0006003biological_processfructose 2,6-bisphosphate metabolic process
B0006094biological_processgluconeogenesis
B0006096biological_processglycolytic process
B0019900molecular_functionkinase binding
B0019901molecular_functionprotein kinase binding
B0043540cellular_component6-phosphofructo-2-kinase/fructose-2,6-biphosphatase complex
B0045821biological_processpositive regulation of glycolytic process
Functional Information from PROSITE/UniProt
site_idPS00175
Number of Residues10
DetailsPG_MUTASE Phosphoglycerate mutase family phosphohistidine signature. LcRHGEsEfN
ChainResidueDetails
ALEU254-ASN263

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Tele-phosphohistidine intermediate","evidences":[{"source":"UniProtKB","id":"Q16875","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"UniProtKB","id":"Q16875","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues58
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q16875","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P07953","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"UniProtKB","id":"Q16875","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

251422

PDB entries from 2026-04-01

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