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2PHK

THE CRYSTAL STRUCTURE OF A PHOSPHORYLASE KINASE PEPTIDE SUBSTRATE COMPLEX: KINASE SUBSTRATE RECOGNITION

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004689molecular_functionphosphorylase kinase activity
A0005516molecular_functioncalmodulin binding
A0005524molecular_functionATP binding
A0005964cellular_componentphosphorylase kinase complex
A0005977biological_processglycogen metabolic process
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 382
ChainResidue
AASP167
AATP381
AHOH405
AHOH418

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 383
ChainResidue
AASN154
AASP167
AATP381
AHOH438

site_idAC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE ATP A 381
ChainResidue
AGLY28
ASER31
AVAL33
AALA46
ALYS48
AASP104
AMET106
AGLU110
ALYS151
AGLU153
AASN154
AASP167
AMN382
AMN383
AHOH385
AHOH387
AHOH388
AHOH438
AHOH458
BARG2
BSER5
AGLY26

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 384
ChainResidue
ASER250
ALYS274
AARG275
AGLU280
AHOH467

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGRGVSSVVRrCihkptcke..........YAVK
ChainResidueDetails
ALEU25-LYS48

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IvHrDLKpeNILL
ChainResidueDetails
AILE145-LEU157

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues268
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
Detailsa catalytic site defined by CSA, PubMed 9362479, 10545198
ChainResidueDetails
ALYS151
AASP149

site_idMCSA1
Number of Residues5
DetailsM-CSA 35
ChainResidueDetails
AASP149hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
ALYS151electrostatic stabiliser, hydrogen bond donor
AASN154metal ligand
AASP167metal ligand
ATHR186activator, hydrogen bond donor

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PDB entries from 2025-08-06

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