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6EPL

Ras guanine exchange factor SOS1 (Rem-cdc25) in complex with KRAS(G12C)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(R)
GTPase KRaspolymer17019386.81UniProt (P01116)
Pfam (PF00071)
Homo sapiens (Human)K-Ras 2,Ki-Ras,c-K-ras,c-Ki-ras
2B
(S)
Son of sevenless homolog 1polymer48757103.31UniProt (Q07889)
Pfam (PF00618)
Pfam (PF00617)
Homo sapiens (Human)SOS-1
3C
(R)
GLYCEROLnon-polymer92.11Chemie (GOL)
4D, E
(R, S)
waterwater18.0265Chemie (HOH)
Sequence modifications
R: 1 - 169 (UniProt: P01116)
PDBExternal DatabaseDetails
Gly 0-expression tag
Cys 12Gly 12engineered mutation
Ser 118Cys 118engineered mutation
Glu 126Asp 126engineered mutation
Ser 127Thr 127engineered mutation
Arg 128Lys 128engineered mutation
S: 563 - 1049 (UniProt: Q07889)
PDBExternal DatabaseDetails
Gly 563Lys 563engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight76490.1
Non-Polymers*Number of molecules1
Total formula weight92.1
All*Total formula weight76582.2
*Water molecules are not included.

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PDB entries from 2025-12-17

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