7KNC

Crystal structure of the GH31 alpha-xylosidase (Xac1773) from Xanthomonas citri

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Alpha-xylosidase	polymer	988	111044.6	1	UniProt (Q8PLM2) In PDB	Xanthomonas axonopodis pv. citri (strain 306)
2	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
3	A	alpha-D-xylopyranose	non-polymer		150.1	1	Chemie (XYS)
4	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5		water	water		18.0	794	Chemie (HOH)

Sequence modifications

A: 0 - 967 (UniProt: Q8PLM2)

PDB	External Database	Details
Met -20	-	initiating methionine
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Val 295	Ala 364	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	111044.6
Non-Polymers*	Number of molecules	3
	Total formula weight	281.3
All*	Total formula weight	111325.9

*Water molecules are not included.