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4OBE

Crystal Structure of GDP-bound Human KRas

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
GTPase KRaspolymer17019328.82UniProt (P01116)
Pfam (PF00071)
Homo sapiens (human)'K-Ras 2, Ki-Ras, c-K-ras, c-Ki-ras, GTPase KRas, N-terminally processed, KRAS, v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog
2C, E
(A, B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.22Chemie (GDP)
PubChem (136073927)
PubChem (135398619)
PubChem (135402030)
PubChem (135431654)
PubChem (135566337)
PubChem (135760556)
PubChem (136026707)
PubChem (136053418)
PubChem (136663964)
PubChem (136664748)
PubChem (136759848)
PubChem (136759849)
PubChem (136759850)
PubChem (136836636)
PubChem (136847074)
PubChem (172898537)
3D, F
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
4G, H
(A, B)
waterwater18.0355Chemie (HOH)
Sequence modifications
A, B: 1 - 169 (UniProt: P01116)
PDBExternal DatabaseDetails
Gly 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight38657.6
Non-Polymers*Number of molecules4
Total formula weight935.0
All*Total formula weight39592.6
*Water molecules are not included.

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PDB entries from 2026-04-01

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