5I1W

Crystal structure of CrmK, a flavoenzyme involved in the shunt product recycling mechanism in caerulomycin biosynthesis

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	CrmK	polymer	500	55285.7	4	UniProt (H8Y6P5) Pfam (PF01565) Pfam (PF08031) In PDB	Actinoalloteichus sp. WH1-2216-6
2	A, B, C, D	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	4	Chemie (FAD)
3	A, B, C	6-(hydroxymethyl)[2,2'-bipyridin]-4-ol	non-polymer		202.2	3	Chemie (67L)
4	D	4-hydroxy[2,2'-bipyridine]-6-carbaldehyde	non-polymer		200.2	1	Chemie (67K)
5		water	water		18.0	600	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	221142.9
Non-Polymers*	Number of molecules	8
	Total formula weight	3949.0
All*	Total formula weight	225091.9

*Water molecules are not included.