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1Q21

CRYSTAL STRUCTURES AT 2.2 ANGSTROMS RESOLUTION OF THE CATALYTIC DOMAINS OF NORMAL RAS PROTEIN AND AN ONCOGENIC MUTANT COMPLEXED WITH GSP

Replaces:  2P21
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
C-H-RAS P21 PROTEIN CATALYTIC DOMAINpolymer17119517.11UniProt (P01112)
Pfam (PF00071)
Homo sapiens (human)
2B
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
3C
(A)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (GDP)
4D
(A)
waterwater18.039Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight19517.1
Non-Polymers*Number of molecules2
Total formula weight467.5
All*Total formula weight19984.6
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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