2Z1S

Beta-glucosidase B from paenibacillus polymyxa complexed with cellotetraose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Beta-glucosidase B	polymer	454	52548.0	1	UniProt (P22505) Pfam (PF00232) In PDB	Paenibacillus polymyxa	Gentiobiase, Cellobiase, Beta-D- glucoside glucohydrolase, Amygdalase
2	B	beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	branched		666.6	1	In PDB BIRD (PRD_900011) GlyTouCan (G00025MO)		beta-cellotetraose
3		water	water		18.0	123	Chemie (HOH)

Sequence modifications

A: 2 - 448 (UniProt: P22505)

PDB	External Database	Details
Met -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
Gln 376	His 376	engineered mutation
Arg 377	Gly 377	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	52548.0
Branched	Number of molecules	1
	Total formula weight	666.6
All*	Total formula weight	53214.6

*Water molecules are not included.