1ZCA

Crystal structure of G alpha 12 in complex with GDP, Mg2+ and AlF4-

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)	G alpha i/12	polymer	359	41952.5	2	UniProt (P27600) Pfam (PF00503)	Mus musculus (house mouse)
2	C, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, G (A, B)	TETRAFLUOROALUMINATE ION	non-polymer		103.0	2	Chemie (ALF)
4	E, H (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
5	I, J (A, B)	water	water		18.0	6	Chemie (HOH)

Sequence modifications

A, B: 21 - 48 (UniProt: P27600)
A, B: 49 - 379 (UniProt: P27600)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	83905.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1141.0
All*	Total formula weight	85046.0

*Water molecules are not included.