5DMY

Beta-galactosidase - construct 33-930

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	Beta-galactosidase	polymer	904	98065.7	3	UniProt (D4QAP3) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16355) Pfam (PF18565) In PDB	Bifidobacterium bifidum
2	A, B, C	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
3	A, C	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
4	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
5	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
6		water	water		18.0	2469	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 898 (UniProt: D4QAP3)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	294197.2
Non-Polymers*	Number of molecules	11
	Total formula weight	373.3
All*	Total formula weight	294570.5

*Water molecules are not included.