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1Q8Y

The structure of the yeast SR protein kinase, Sky1p, with bound ADP

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 A 801
ChainResidue
ATYR153
AHOH844
AHOH899
ALYS154
AASP155
APHE232
AASN233
AHIS234
ALYS235
AHOH814
AHOH843

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 802
ChainResidue
BTYR153
BLYS154
BASP155
BPHE232
BHIS234
BLYS235
BHOH906
BHOH944

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 803
ChainResidue
BSER631
BARG635
BARG692
BHOH1002
BHOH1032

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 804
ChainResidue
BARG568
BARG571
BHOH961

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 805
ChainResidue
ASER631
AARG635
AARG692
AHOH924

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 806
ChainResidue
AARG571
AHOH835

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 807
ChainResidue
BGLY609
BHIS610
BSER611

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 808
ChainResidue
BARG641
BASN645
BSER646
BARG651

site_idAC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 809
ChainResidue
AASN299
AASP550
AADP810

site_idBC1
Number of Residues20
DetailsBINDING SITE FOR RESIDUE ADP A 810
ChainResidue
AGLY165
ATRP166
AGLY167
AHIS168
APHE169
ASER170
AVAL172
AALA185
ALYS187
ALEU226
AGLU247
ALEU249
AGLY250
AASN252
AGLU298
AASN299
ALEU301
AASP550
AMG809
AHOH842

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ADE B 900
ChainResidue
BALA185
BLEU226
BGLU247
BVAL248
BLEU249

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 Residues2
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 Residues10
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
BGLU298
BASP294

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP294
ALYS296

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP294
BLYS296

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ATHR567
AASP294
ALYS296

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BTHR567
BASP294
BLYS296

site_idCSA7
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP294
ALYS296
AASN299

site_idCSA8
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP294
BLYS296
BASN299

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PDB entries from 2026-01-14

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