3KRU

Crystal Structure of the Thermostable Old Yellow Enzyme from Thermoanaerobacter pseudethanolicus E39

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	NADH:flavin oxidoreductase/NADH oxidase	polymer	343	39055.9	4	UniProt (B0KAH1) Pfam (PF00724) In PDB	Thermoanaerobacter pseudethanolicus ATCC 33223 (Clostridium thermohydrosulfuricum)
2	A, B, C, D	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	4	Chemie (FMN)
3	A, B, C, D	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
4		water	water		18.0	1831	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 337 (UniProt: B0KAH1)

PDB	External Database	Details
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	156223.6
Non-Polymers*	Number of molecules	8
	Total formula weight	2061.6
All*	Total formula weight	158285.2

*Water molecules are not included.