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9NI4

Cryo-EM structure of the PI3K alpha/KRas/HER3 phosphopeptide complex dimer on POPC/POPS/PIP2 nanodiscs

This is a non-PDB format compatible entry.
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues204
DetailsDomain: {"description":"PI3K-RBD","evidences":[{"source":"PROSITE-ProRule","id":"PRU00879","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsRegion: {"description":"G-loop","evidences":[{"source":"PROSITE-ProRule","id":"PRU00269","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues16
DetailsRegion: {"description":"Catalytic loop","evidences":[{"source":"PROSITE-ProRule","id":"PRU00269","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Implicated in the recognition of ATP as well as PIP2. Also crucial for autophosphorylation of the p85alpha subunit","evidences":[{"source":"PubMed","id":"23936502","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues16
DetailsMotif: {"description":"Effector region"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"22431598","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22566140","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"34380736","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"35522713","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"N-acetylthreonine; in GTPase KRas, N-terminally processed","evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"FEB-2008","submissionDatabase":"UniProtKB","authors":["Bienvenut W.V.","Calvo F.","Kolch W."]}}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"22711838","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsGlycosylation: {"description":"(Microbial infection) O-linked (Glc) threonine; by P.sordellii toxin TcsL","evidences":[{"source":"PubMed","id":"19744486","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"30442762","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

253389

PDB entries from 2026-05-13

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