6XN1

Crystal structure of the GH43_1 enzyme from Xanthomonas citri complexed with xylose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Xylosidase	polymer	364	40225.6	2	UniProt (Q8PET2)	Xanthomonas axonopodis pv. citri (strain 306)
2	C, J (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, K (A, B)	beta-D-xylopyranose	non-polymer		150.1	2	Chemie (XYP)
4	E, F, G, L, M... (A, B)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	6	Chemie (PEG)
5	H, I (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
6	O, P (A, B)	water	water		18.0	672	Chemie (HOH)

Sequence modifications

A, B: 1 - 344 (UniProt: Q8PET2)

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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80451.2
Non-Polymers*	Number of molecules	12
	Total formula weight	1201.3
All*	Total formula weight	81652.5

*Water molecules are not included.