1D7J

FKBP COMPLEXED WITH 4-HYDROXY-2-BUTANONE

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)	PROTEIN (FK506-BINDING PROTEIN)	polymer	107	11836.5	2	UniProt (P62942) Pfam (PF00254)	Homo sapiens (human)	FKBP-12
2	C, F (A, B)	AMMONIUM ION	non-polymer		18.0	2	Chemie (NH4)
3	D, G (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	E, H (A, B)	4-HYDROXY-2-BUTANONE	non-polymer		88.1	2	Chemie (BUQ)
5	I, J (A, B)	water	water		18.0	129	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23673.0
Non-Polymers*	Number of molecules	6
	Total formula weight	404.4
All*	Total formula weight	24077.4

*Water molecules are not included.