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4O0R

Back pocket flexibility provides group-II PAK selectivity for type 1 kinase inhibitors

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 Residues15
DetailsBINDING SITE FOR RESIDUE X4Z A 601
ChainResidue
AILE276
AGLY350
AASP393
AASN394
ALEU396
ATHR406
ALYS538
AGLY279
AGLY282
AALA297
ALYS299
AGLU345
ATYR346
ALEU347
AALA348

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGQGASGTVYtAmdvatgqe..........VAIK
ChainResidueDetails
AILE276-LYS299

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues251
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"22153498","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues22
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"22153498","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by JAK2","evidences":[{"source":"PubMed","id":"17726028","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17989089","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis, BRSK2 and PDPK1","evidences":[{"source":"PubMed","id":"10551809","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10995762","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22153498","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22669945","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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