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1HOW

THE X-RAY CRYSTAL STRUCTURE OF SKY1P, AN SR PROTEIN KINASE IN YEAST

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 743
ChainResidue
ALYS154
AASP155
APHE232
AHIS234
ALYS235
AHOH774
AHOH799
AHOH819
AHOH935

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 744
ChainResidue
ATYR632
AARG635
AARG692
AHOH854

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 745
ChainResidue
AGLY167
AHIS168
APHE169
ASER170
ASO4747
AHOH766

site_idAC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 746
ChainResidue
AHIS145
APRO146
AALA147
ALYS163
ATHR171
ATRP173
AHOH862
AHOH918
AHOH926

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 747
ChainResidue
ASER170
ALYS187
AALA199
ASO4745
AHOH882

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 748
ChainResidue
AARG568
AARG571

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 749
ChainResidue
AHIS262
AGLU596
AGLY600
APHE602
AHOH925

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 750
ChainResidue
AGLU247
AVAL248
ALEU249
AGLY250
ALEU301

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGWGHFSTVWlAkdmvnnth..........VAMK
ChainResidueDetails
ALEU164-LYS187

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IiHtDIKpeNVLM
ChainResidueDetails
AILE290-MET302

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
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_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AGLU298
AASP294

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP294
ALYS296

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ATHR567
AASP294
ALYS296

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP294
ALYS296
AASN299

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PDB entries from 2025-12-17

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