3O73

Crystal structure of quinone reductase 2 in complex with the indolequinone MAC627

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ribosyldihydronicotinamide dehydrogenase [quinone]	polymer	237	26809.4	2	UniProt (P16083) Pfam (PF02525) In PDB	Homo sapiens (human)	NRH dehydrogenase [quinone] 2, NRH:quinone oxidoreductase 2, Quinone reductase 2, QR2
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	A, B	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
4	A	5-[(4-aminobutyl)amino]-1,2-dimethyl-3-[(4-nitrophenoxy)methyl]-1H-indole-4,7-dione	non-polymer		412.4	2	Chemie (O73)
5		water	water		18.0	62	Chemie (HOH)

Sequence modifications

A, B: 0 - 230 (UniProt: P16083)

PDB	External Database	Details
His 231	-	expression tag
His 232	-	expression tag
His 233	-	expression tag
His 234	-	expression tag
His 235	-	expression tag
His 236	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53618.8
Non-Polymers*	Number of molecules	6
	Total formula weight	2526.8
All*	Total formula weight	56145.6

*Water molecules are not included.