9IWS

Cryo EM structure of human phosphate channel XPR1 in complex with IP7

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)	Solute carrier family 53 member 1	polymer	631	74093.6	2	UniProt (Q9UBH6) Pfam (PF03105) Pfam (PF03124)	Homo sapiens (human)	Phosphate exporter SLC53A1,Protein SYG1 homolog,Xenotropic and polytropic murine leukemia virus receptor X3,X-receptor,Xenotropic and polytropic retrovirus receptor 1
2	C, D, E, F (A, B)	(1r,2R,3S,4s,5R,6S)-2,3,4,5,6-pentakis(phosphonooxy)cyclohexyl trihydrogen diphosphate	non-polymer		740.0	4	Chemie (I7P)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	148187.2
Non-Polymers*	Number of molecules	4
	Total formula weight	2960.1
All*	Total formula weight	151147.3

*Water molecules are not included.