8BK8

Cryo-EM structure of beta-galactosidase at 2.9 A resolution plunged 205 ms after mixing with apoferritin

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	Beta-galactosidase	polymer	1031	117488.4	4	UniProt (P00722) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) In PDB	Escherichia coli	Beta-gal,Lactase

Sequence modifications

A, B, C, D: 0 - 1023 (UniProt: P00722)

PDB	External Database	Details
Gly 1024	-	expression tag
His 1025	-	expression tag
His 1026	-	expression tag
His 1027	-	expression tag
His 1028	-	expression tag
His 1029	-	expression tag
His 1030	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	469953.5
All*	Total formula weight	469953.5

*Water molecules are not included.