1XSI

Structure of a Family 31 alpha glycosidase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Putative family 31 glucosidase yicI	polymer	778	89002.0	6	UniProt (P31434) Pfam (PF13802) Pfam (PF01055) Pfam (PF21365) In PDB	Escherichia coli
2	F, A, B, C, D...	SULFATE ION	non-polymer		96.1	18	Chemie (SO4)
3	F, A, E	ACETIC ACID	non-polymer		60.1	3	Chemie (ACY)
4	B, C, D, E	3[N-MORPHOLINO]PROPANE SULFONIC ACID	non-polymer		209.3	4	Chemie (MPO)
5		water	water		18.0	980	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 772 (UniProt: P31434)

PDB	External Database	Details
His 773	-	expression tag
His 774	-	expression tag
His 775	-	expression tag
His 776	-	expression tag
His 777	-	expression tag
His 778	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	534012.1
Non-Polymers*	Number of molecules	25
	Total formula weight	2746.3
All*	Total formula weight	536758.5

*Water molecules are not included.