6Q7I

GH3 exo-beta-xylosidase (XlnD)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Exo-1,4-beta-xylosidase xlnD	polymer	785	85394.1	2	UniProt (Q5BAS1) Pfam (PF00933) Pfam (PF01915) Pfam (PF14310)	Emericella nidulans (Aspergillus nidulans)	1,4-beta-D-xylan xylohydrolase xlnD,Beta-xylosidase A,Beta-xylosidase xlnD,Xylobiase xlnD
2	C (C)	alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		1559.4	1	In PDB GlyTouCan (G37135JQ)
3	D, F (D, F)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
4	E (E)	alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		1721.5	1	In PDB GlyTouCan (G89864BN)
5	AA, BA, CA, DA, EA... (A, B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	17	Chemie (NAG)
6	HA, IA, JA, KA, LA... (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	11	Chemie (EDO)
7	Q (B)	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
8	OA, U, V (A, B)	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)
9	PA, W, X, Y (A, B)	POTASSIUM ION	non-polymer		39.1	4	Chemie (K)
10	QA, RA (B, A)	water	water		18.0	1821	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	170788.1
Branched	Number of molecules	4
	Total formula weight	4129.7
Non-Polymers*	Number of molecules	36
	Total formula weight	4935.0
All*	Total formula weight	179852.8

*Water molecules are not included.