3K4F

X-Ray Crystal Structure of Human Heme Oxygenase-1 in Complex with 4-Phenyl-1-(1H-1,2,4-triazol-1-yl)-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	Heme oxygenase 1	polymer	233	26898.6	2	UniProt (P09601) Pfam (PF01126) In PDB	Homo sapiens (human)	HO-1
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	A, B	4-phenyl-1-(1H-1,2,4-triazol-1-yl)butan-2-one	non-polymer		215.3	2	Chemie (Q86)
4	A, B	HEXANE-1,6-DIOL	non-polymer		118.2	2	Chemie (HEZ)
5	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6		water	water		18.0	271	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53797.2
Non-Polymers*	Number of molecules	8
	Total formula weight	2091.9
All*	Total formula weight	55889.2

*Water molecules are not included.