3VDR

Crystal structure of D-3-hydroxybutyrate dehydrogenase, prepared in the presence of the substrate D-3-hydroxybutyrate and NAD(+)

Replaces:  3EEW

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	D-3-hydroxybutyrate dehydrogenase	polymer	260	27118.9	4	UniProt (D0VWQ0) Pfam (PF00106) In PDB	Alcaligenes faecalis
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	A, B, D	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	A, B, C, D	NICOTINAMIDE-ADENINE-DINUCLEOTIDE	non-polymer		663.4	4	Chemie (NAD)
5	A, B, C, D	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE	non-polymer		665.4	4	Chemie (NAI)
6	A, B, C, D	(3R)-3-hydroxybutanoic acid	non-polymer		104.1	4	Chemie (3HR)
7	A, B, C, D	ACETOACETIC ACID	non-polymer		102.1	4	Chemie (AAE)
8		water	water		18.0	244	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	108475.8
Non-Polymers*	Number of molecules	21
	Total formula weight	6326.8
All*	Total formula weight	114802.5

*Water molecules are not included.