6MS9

GDP-bound KRAS P34R mutant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (C, B, A)	GTPase KRas	polymer	169	19271.8	3	UniProt (P01116) Pfam (PF00071)	Homo sapiens (Human)	K-Ras 2,Ki-Ras,c-K-ras,c-Ki-ras
2	D, F, H (C, B, A)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	3	Chemie (GDP)
3	E, G (C, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	I, J, K (C, B, A)	water	water		18.0	416	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	57815.3
Non-Polymers*	Number of molecules	5
	Total formula weight	1378.2
All*	Total formula weight	59193.5

*Water molecules are not included.