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6EPO

RAS GUANINE EXCHANGE FACTOR SOS1 (REM-CDC25) IN COMPLEX WITH KRAS(G12C) AND FRAGMENT SCREENING HIT F3

Functional Information from GO Data
ChainGOidnamespacecontents
R0003924molecular_functionGTPase activity
R0005525molecular_functionGTP binding
R0007165biological_processsignal transduction
R0016020cellular_componentmembrane
S0005085molecular_functionguanyl-nucleotide exchange factor activity
S0007264biological_processsmall GTPase-mediated signal transduction
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue GOL R 201
ChainResidue
RARG68
RHIS95
RGLN99
RHOH345

site_idAC2
Number of Residues5
Detailsbinding site for residue BPW S 1101
ChainResidue
SMET878
SASN879
SHIS905
SGLU906
SGLU909

site_idAC3
Number of Residues4
Detailsbinding site for residue BPW S 1102
ChainResidue
SVAL883
STYR884
SLEU886
SPHE890

Functional Information from PROSITE/UniProt
site_idPS00720
Number of Residues34
DetailsRASGEF Ras Guanine-nucleotide exchange factors domain signature. VPFfGiyLtNIlkteegnpevlkrhgkel.................INFsK
ChainResidueDetails
SVAL927-LYS960

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsMotif: {"description":"Effector region"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
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_FI3
Number of Residues1
DetailsModified residue: {"description":"N-acetylmethionine; in GTPase KRas; alternate","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_FI4
Number of Residues1
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_FI5
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"22711838","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
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_FI7
Number of Residues239
DetailsDomain: {"description":"Ras-GEF","evidences":[{"source":"PROSITE-ProRule","id":"PRU00168","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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