6UQK

Cryo-EM structure of type 3 IP3 receptor revealing presence of a self-binding peptide

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-triphosphate receptor, type 3	polymer	2453	278584.4	4	Pfam (PF08709) Pfam (PF02815) Pfam (PF01365) Pfam (PF08454) Pfam (PF00520) UniProt (by SIFTS) (Q14573)	Homo sapiens (Human)	IP3 receptor isoform 3,InsP3R3,Type 3 inositol 1,4,5-trisphosphate receptor,Type 3 InsP3 receptor
2	E, F, G, H (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	1114337.6
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	1114599.3

*Water molecules are not included.