3D3A

Crystal structure of a beta-galactosidase from Bacteroides thetaiotaomicron

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Beta-galactosidase	polymer	612	71229.4	1	UniProt (Q8AB22) Pfam (PF01301) Pfam (PF21317) Pfam (PF21467)	Bacteroides thetaiotaomicron VPI-5482
2	B (A)	water	water		18.0	384	Chemie (HOH)

Sequence modifications

A: 24 - 625 (UniProt: Q8AB22)

PDB	External Database	Details
Mse 21	-	expression tag
Ser 22	-	expression tag
Leu 23	-	expression tag
Gly 626	-	expression tag
His 627	-	expression tag
His 628	-	expression tag
His 629	-	expression tag
His 630	-	expression tag
His 631	-	expression tag
His 632	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	71229.4
All*	Total formula weight	71229.4

*Water molecules are not included.