2G83

Structure of activated G-alpha-i1 bound to a nucleotide-state-selective peptide: Minimal determinants for recognizing the active form of a G protein alpha subunit

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Guanine nucleotide-binding protein G(i), alpha-1 subunit	polymer	313	35867.9	2	UniProt (P63096) Pfam (PF00503) In PDB	Homo sapiens (human)	Adenylate cyclase-inhibiting G alpha protein
2	C, D	KB-1753 phage display peptide	polymer	11	1338.5	2
3	A, B	TETRAFLUOROALUMINATE ION	non-polymer		103.0	2	Chemie (ALF)
4	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	A, B	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
6		water	water		18.0	30	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	74412.7
Non-Polymers*	Number of molecules	6
	Total formula weight	1141.0
All*	Total formula weight	75553.7

*Water molecules are not included.