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9C1A

Crystal structure of GDP-bound human M-RAS protein in crystal form I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Ras-related protein M-Raspolymer19322253.31UniProt (O14807)
Pfam (PF00071)
Homo sapiens (human)Ras-related protein R-Ras3
2B, G
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
3C
(A)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (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)
4D, E, F
(A)
GLYCEROLnon-polymer92.13Chemie (GOL)
PubChem (753)
5H
(A)
waterwater18.0217Chemie (HOH)
Sequence modifications
A: 1 - 178 (UniProt: O14807)
PDBExternal DatabaseDetails
Met -14-initiating methionine
Gly -13-expression tag
His -12-expression tag
His -11-expression tag
His -10-expression tag
His -9-expression tag
His -8-expression tag
His -7-expression tag
Glu -6-expression tag
Asn -5-expression tag
Leu -4-expression tag
Tyr -3-expression tag
Phe -2-expression tag
Gln -1-expression tag
Gly 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight22253.3
Non-Polymers*Number of molecules6
Total formula weight768.1
All*Total formula weight23021.4
*Water molecules are not included.

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PDB entries from 2026-04-08

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