2NNL

Binding of two substrate analogue molecules to dihydroflavonol-4-reductase alters the functional geometry of the catalytic site

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (D, F)	Dihydroflavonol 4-reductase	polymer	337	37694.3	2	UniProt (P93799) Pfam (PF01370) UniProt (by SIFTS) (P51110)	Vitis vinifera
2	C, E (D, F)	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		743.4	2	Chemie (NAP)
3	D, F (D, F)	(2S)-2-(3,4-DIHYDROXYPHENYL)-5,7-DIHYDROXY-2,3-DIHYDRO-4H-CHROMEN-4-ONE	non-polymer		288.3	2	Chemie (ERD)
4	G, H (D, F)	water	water		18.0	558	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75388.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2063.3
All*	Total formula weight	77452.0

*Water molecules are not included.