3LB9

Crystal structure of the B. circulans cpA123 circular permutant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Endo-1,4-beta-xylanase	polymer	182	19991.6	3	UniProt (P09850)	Bacillus circulans	Xylanase, 1,4-beta-D-xylan xylanohydrolase
2	D, E, F (A, B, C)	water	water		18.0	40	Chemie (HOH)

Sequence modifications

A, B, C: 66 - 183 (UniProt: P09850)

PDB	External Database	Details
Ala 2	-	expression tag
Gly 65	-	linker

A, B, C: 3 - 64 (UniProt: P09850)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	59974.8
All*	Total formula weight	59974.8

*Water molecules are not included.