7KMM

Crystal structure of XAC1771, a novel carbohydrate acetylesterase 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, B (A, B)	Sialic acid-specific 9-O-acetylesterase	polymer	636	68710.9	2	UniProt (Q8PLM4)	Xanthomonas axonopodis pv. citri (strain 306)
2	C, D, E, F, G... (A, B)	ZINC ION	non-polymer		65.4	13	Chemie (ZN)
3	P, Q (A, B)	water	water		18.0	381	Chemie (HOH)

Sequence modifications

A, B: 24 - 638 (UniProt: Q8PLM4)

PDB	External Database	Details
Met 3	-	initiating methionine
Gly 4	-	expression tag
Ser 5	-	expression tag
Ser 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
Ser 13	-	expression tag
Ser 14	-	expression tag
Gly 15	-	expression tag
Leu 16	-	expression tag
Val 17	-	expression tag
Pro 18	-	expression tag
Arg 19	-	expression tag
Gly 20	-	expression tag
Ser 21	-	expression tag
His 22	-	expression tag
Met 23	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	137421.8
Non-Polymers*	Number of molecules	13
	Total formula weight	850.3
All*	Total formula weight	138272.1

*Water molecules are not included.