6YYI

Crystal structure of beta-D-xylosidase from Dictyoglomus thermophilum bound to beta-D-xylopyranose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Beta-xylosidase	polymer	524	61206.5	2	UniProt (B5YB78) Pfam (PF01229) In PDB	Dictyoglomus thermophilum H-6-12
2	A, B	1,2-ETHANEDIOL	non-polymer		62.1	12	Chemie (EDO)
3	A	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT)
4	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
5	B	beta-D-xylopyranose	non-polymer		150.1	1	Chemie (XYP)
6	B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
7		water	water		18.0	75	Chemie (HOH)

Sequence modifications

A, B: 2 - 502 (UniProt: B5YB78)

PDB	External Database	Details
Met -21	-	initiating methionine
Gly -20	-	expression tag
Ser -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Leu -8	-	expression tag
Val -7	-	expression tag
Pro -6	-	expression tag
Arg -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
His -2	-	expression tag
Met -1	-	expression tag
Ala 0	-	expression tag
Met 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	122412.9
Non-Polymers*	Number of molecules	18
	Total formula weight	1325.2
All*	Total formula weight	123738.1

*Water molecules are not included.