3WUF

The mutant crystal structure of b-1,4-Xylanase (XynAS9_V43P/G44E) from Streptomyces sp. 9

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Endo-1,4-beta-xylanase A	polymer	313	34681.5	1	UniProt (B4XVN1) Pfam (PF00331) In PDB	Streptomyces sp.
2	A	ZINC ION	non-polymer		65.4	7	Chemie (ZN)
3		water	water		18.0	394	Chemie (HOH)

Sequence modifications

A: 39 - 351 (UniProt: B4XVN1)

PDB	External Database	Details
Pro 81	Val 81	engineered mutation
Glu 82	Gly 82	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	34681.5
Non-Polymers*	Number of molecules	7
	Total formula weight	457.9
All*	Total formula weight	35139.4

*Water molecules are not included.