4L4P

the mutant(E139A) structure in complex 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	Endo-1,4-beta-xylanase	polymer	345	41267.8	1	UniProt (B9MMA5) Pfam (PF00331) In PDB	Caldicellulosiruptor bescii
2	B	beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose	branched		414.4	1	In PDB BIRD (PRD_900117) GlyTouCan (G87429QT)		4beta-beta-xylotriose
3		water	water		18.0	138	Chemie (HOH)

Sequence modifications

A: 1 - 337 (UniProt: B9MMA5)

PDB	External Database	Details
Ala 139	Glu 139	engineered mutation
Leu 338	-	expression tag
Glu 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	41267.8
Branched	Number of molecules	1
	Total formula weight	414.4
All*	Total formula weight	41682.1

*Water molecules are not included.