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8R3X

Crystal structure of aPKC Iota kinase domain with LLGL2 peptide

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0004697molecular_functiondiacylglycerol-dependent serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0004697molecular_functiondiacylglycerol-dependent serine/threonine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues28
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGRGSYAKVLlVrlkktdriyamk......VVKK
ChainResidueDetails
AILE260-LYS287

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IiYrDLKldNVLL
ChainResidueDetails
AILE374-LEU386

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

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by SRC","evidences":[{"source":"PubMed","id":"11713277","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11891849","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphotyrosine; by SRC","evidences":[{"source":"PubMed","id":"11713277","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by PDPK1","evidences":[{"source":"PubMed","id":"16125198","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"16125198","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"12725730","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 756
ChainResidueDetails
AASP378proton shuttle (general acid/base)
ALYS380electrostatic stabiliser
AASN383electrostatic stabiliser

site_idMCSA2
Number of Residues3
DetailsM-CSA 756
ChainResidueDetails
BASP378proton shuttle (general acid/base)
BLYS380electrostatic stabiliser
BASN383electrostatic stabiliser

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PDB entries from 2025-12-10

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