7QG4

Apo crystal structure of a mutant of SN243 (D415N)

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)	SN243	polymer	759	81915.9	2		Synthetic construct
2	AA, BA, C, CA, D... (B, A)	ZINC ION	non-polymer		65.4	26	Chemie (ZN)
3	Q (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	DA, EA (A, B)	water	water		18.0	394	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	163831.7
Non-Polymers*	Number of molecules	27
	Total formula weight	1796.7
All*	Total formula weight	165628.4

*Water molecules are not included.