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1Q99

Crystal structure of the Saccharomyces cerevisiae SR protein kinsae, Sky1p, complexed with the non-hydrolyzable ATP analogue, AMP-PNP

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 Residues4
DetailsBINDING SITE FOR RESIDUE NI A 362
ChainResidue
AHIS145
AGLU151
ATYR153
AHIS234

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NI B 363
ChainResidue
BHIS145
BGLU151
BTYR153
BHIS234

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 801
ChainResidue
ALYS154
APHE232
AASN233
AHIS234
ALYS235
AHOH2047
AHOH2052
AHOH2092
ATYR153

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 802
ChainResidue
BTYR153
BLYS154
BASP155
BASN233
BHIS234
BLYS235
BHOH2007

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ANP A 901
ChainResidue
ALEU164
ATRP166
AGLY167
AHIS168
APHE169
ASER170
AVAL172
ALYS187
ALEU226
AGLU247
ALEU249
AASP550
AASN553
AHOH2077
AHOH2085

site_idAC6
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ANP B 902
ChainResidue
BTRP166
BGLY167
BHIS168
BPHE169
BSER170
BVAL172
BALA185
BLYS187
BLEU226
BGLU247
BLEU249
BASP550
BASN553
BHOH2051
BHOH2109

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 1439
ChainResidue
AHOH2048
BALA198
BASP201
BTYR561
BMOH2000
BHOH2008

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 1440
ChainResidue
AALA198
AASP201
AGLY552
ATYR561
AMOH2001
AHOH2041

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MOH B 2000
ChainResidue
AMOH2001
BEDO1439

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MOH A 2001
ChainResidue
AEDO1440
BGLU197
BMOH2000

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 Residues18
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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