3PQF

Crystal structure of L-lactate dehydrogenase from Bacillus subtilis mutation H171C complexed with NAD+

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 (A, B, C, D)	L-lactate dehydrogenase	polymer	326	35635.4	4	UniProt (P13714) Pfam (PF00056) Pfam (PF02866)	bacillus subtilis	L-LDH
2	E, F (C, D)	NICOTINAMIDE-ADENINE-DINUCLEOTIDE	non-polymer		663.4	2	Chemie (NAD)
3	G, H, I, J (A, B, C, D)	water	water		18.0	217	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 320 (UniProt: P13714)

PDB	External Database	Details
Cys 171	His 171	engineered mutation
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag
His 326	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	142541.6
Non-Polymers*	Number of molecules	2
	Total formula weight	1326.8
All*	Total formula weight	143868.4

*Water molecules are not included.