9EGA

Crystal Structure of a CE20 carbohydrate acetylesterase from Pedobacter psychrotolerans (PpCE20_II), with ancillary domain

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)	Sialate O-acetylesterase	polymer	644	72630.8	2	UniProt (A0A4R2HIK5)	Pedobacter psychrotolerans
2	C (A)	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
3	D, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	E, G (A, B)	phenylmethanesulfonic acid	non-polymer		172.2	2	Chemie (PMS)	Pedobacter psychrotolerans
5	H, I (A, B)	water	water		18.0	1836	Chemie (HOH)

Sequence modifications

A, B: 24 - 646 (UniProt: A0A4R2HIK5)

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	145261.7
Non-Polymers*	Number of molecules	5
	Total formula weight	543.2
All*	Total formula weight	145804.9

*Water molecules are not included.