8VGA

Crystal Structure of Guanine Nucleotide-Binding Protein (G Protein) Alpha-1 Subunit from Selaginella moellendorffii in complex with GTP gamma S

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Guanine nucleotide-binding protein alpha subunit	polymer	373	43275.2	2	UniProt (D8QR00) Pfam (PF00503)	Selaginella moellendorffii (Spikemoss)	GP-alpha
2	C, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, F (A, B)	5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE	non-polymer		539.2	2	Chemie (GSP)
4	G, H (A, B)	water	water		18.0	148	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86550.4
Non-Polymers*	Number of molecules	4
	Total formula weight	1127.1
All*	Total formula weight	87677.5

*Water molecules are not included.