3JYC

Crystal structure of the eukaryotic strong inward-rectifier K+ channel Kir2.2 at 3.1 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Inward-rectifier K+ channel Kir2.2	polymer	343	39361.7	1	Pfam (PF01007) Pfam (PF17655) UniProt (by SIFTS) (F1NHE9) In PDB	Gallus gallus (chicken)
2	A	POTASSIUM ION	non-polymer		39.1	5	Chemie (K)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	39361.7
Non-Polymers*	Number of molecules	5
	Total formula weight	195.5
All*	Total formula weight	39557.2

*Water molecules are not included.