1W3H

The 3-dimensional structure of a thermostable mutant of a xylanase (Xyn10A) from Cellvibrio japonicus

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-1,4-BETA-XYLANASE A PRECURSOR	polymer	359	39839.0	2	UniProt (P14768) Pfam (PF00331)	CELLVIBRIO JAPONICUS	XYLANASE A, 1,4-BETA-D-XYLAN XYLANOHYDROLASE A, XYLA
2	C, E (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, F (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	G, H (A, B)	water	water		18.0	627	Chemie (HOH)

Sequence modifications

A, B: -11 - 0 (PDB: 1W3H)
A, B: 1 - 347 (UniProt: P14768)

PDB	External Database	Details
Thr 80	Ala 344	engineered mutation
Asn 262	Asp 526	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79678.1
Non-Polymers*	Number of molecules	4
	Total formula weight	204.3
All*	Total formula weight	79882.4

*Water molecules are not included.