6A5F

The structure of [4+2] and [6+4] cyclase in the biosynthetic pathway of nargenicin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	NgnD	polymer	165	18094.0	2		Nocardia argentinensis ATCC 31306
2	C, D (A, B)	water	water		18.0	227	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36188.0
All*	Total formula weight	36188.0

*Water molecules are not included.