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2X7G

Structure of human serine-arginine-rich protein-specific kinase 2 (SRPK2) bound to purvalanol B

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 Residues11
DetailsBINDING SITE FOR RESIDUE PVB A 800
ChainResidue
ALEU98
ATYR239
AEDO1708
ATRP100
AGLY101
AALA119
AGLU178
ALEU180
AHIS182
AHIS183
ALEU232

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 1700
ChainResidue
ATYR593
AARG632
AASN636
AARG637
AARG642
AHOH2027
AHOH2105
AHOH2106

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1701
ChainResidue
ASER687
AGLY689
AARG693
AHOH2107

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1702
ChainResidue
AGLY101
AHIS102
APHE103
ASER104

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1703
ChainResidue
AARG559
AARG562
AARG605
AHOH2108

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1704
ChainResidue
AHIS598
ASER599
AARG605
AARG622

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 1705
ChainResidue
AARG622
AHIS623

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 1706
ChainResidue
AARG605
AARG637
AARG638
AACT1707
AHOH2109

site_idAC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT A 1707
ChainResidue
AGLN560
AARG637
ASO41706

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 1708
ChainResidue
AGLU136
AALA540
AASP541
ALEU542
APVB800

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 1709
ChainResidue
AASP150
AASN152
AASP213
AHOH2110

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 1710
ChainResidue
ASER166
ASER651
APHE653
ATHR671
AEDO1713
AHOH2111

site_idBC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 1711
ChainResidue
ALEU594
AHOH2094

site_idBC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 1712
ChainResidue
APHE163
ALYS164
APRO649
ATRP650
ASER651
AASP654
AEDO1713

site_idBC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 1713
ChainResidue
ALYS164
ALEU616
APRO649
AEDO1710
AEDO1712

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGWGHFSTVWlCwdmqgkrf..........VAMK
ChainResidueDetails
ALEU98-LYS121

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IiHtDIKpeNILM
ChainResidueDetails
AILE221-MET233

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":"UniProtKB","id":"Q9UPE1","evidenceCode":"ECO:0000250"},{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Cleavage; by caspase-3","evidences":[{"source":"PubMed","id":"21056976","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by CK2","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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