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2QR8

2.0A X-ray structure of C-terminal kinase domain of p90 ribosomal S6 kinase 2 (RSK2)

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 Residues6
DetailsBINDING SITE FOR RESIDUE NA A 1000
ChainResidue
AGLY471
AHIS473
AILE476
ATHR478
AHOH1001
AHOH1002

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGVGSYSVCKrCihkatnme..........FAVK
ChainResidueDetails
AILE428-LYS451

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. VvHrDLKpsNILY
ChainResidueDetails
AVAL535-TYR547

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues257
DetailsDomain: {"description":"Protein kinase 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

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

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine; by FGFR3","evidences":[{"source":"PubMed","id":"17785202","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P51812","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ASER543
AASP539

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS541
AASP539

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS541
ATHR581
AASP539

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS541
AASN544
AASP539

239803

PDB entries from 2025-08-06

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