8Z43

Beta-galactosidase from Bacteroides xylanisolvens (E350G, ligand-free)

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)	Beta-galactosidase	polymer	551	62524.4	2	UniProt (D6CYU7)	Bacteroides xylanisolvens XB1A
2	C, D (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
3	E, F (A, B)	water	water		18.0	528	Chemie (HOH)

Sequence modifications

A, B: 9 - 550 (UniProt: D6CYU7)

PDB	External Database	Details
Met 8	-	initiating methionine
Gly 350	Glu 350	engineered mutation
Leu 551	-	expression tag
Glu 552	-	expression tag
His 553	-	expression tag
His 554	-	expression tag
His 555	-	expression tag
His 556	-	expression tag
His 557	-	expression tag
His 558	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	125048.8
Non-Polymers*	Number of molecules	2
	Total formula weight	184.2
All*	Total formula weight	125233.0

*Water molecules are not included.