4KCA

Crystal Structure of Endo-1,5-alpha-L-arabinanase from a Bovine Ruminal Metagenomic Library

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)	Endo-1,5-alpha-L-arabinanase	polymer	692	76405.2	2		Bos taurus (bovine)
2	AA, AB, BA, BB, C... (A, B)	IODIDE ION	non-polymer		126.9	63	Chemie (IOD)
3	JA, PB (A, B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	KA, QB (A, B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5	RB, SB (A, B)	water	water		18.0	835	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	152810.4
Non-Polymers*	Number of molecules	67
	Total formula weight	8225.1
All*	Total formula weight	161035.5

*Water molecules are not included.