9YKK

Human type 2 IP3 receptor in apo state

This is a non-PDB format compatible entry.

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, D (A, B, C, D)	Inositol 1,4,5-trisphosphate-gated calcium channel ITPR2	polymer	2769	314740.8	4	UniProt (Q14571)	Homo sapiens (human)	IP3 receptor isoform 2,IP3R 2,InsP3R2,Inositol 1,4,5-trisphosphate receptor type 2,Type 2 inositol 1,5-trisphosphate receptor,Type 2 InsP3 receptor
2	E, F, G, H (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN) PubChem (32051)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	1258963.4
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	1259225.0

*Water molecules are not included.