4PN2

Crystal structure of GH10 endo-b-1,4-xylanase (XynB) from Xanthomonas axonopodis pv citri complexed with xylotriose

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)	Xylanase	polymer	305	34327.4	2	UniProt (Q8PET6)	Xanthomonas axonopodis pv. citri
2	C, G (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, E, F, H, I... (A, B)	beta-D-xylopyranose	non-polymer		150.1	6	Chemie (XYP)
4	K, L (A, B)	water	water		18.0	565	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68654.9
Non-Polymers*	Number of molecules	8
	Total formula weight	980.9
All*	Total formula weight	69635.8

*Water molecules are not included.