1OSL

Solution structure of a dimeric lactose DNA-binding domain complexed to a nonspecific DNA sequence

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)	5'-D(*CP*GP*AP*TP*AP*AP*GP*AP*TP*AP*TP*CP*TP*TP*AP*TP*CP*G)-3'	polymer	18	5514.6	2
2	C, D (A, B)	Lactose operon repressor	polymer	62	6822.8	2	UniProt (P03023) Pfam (PF00356)	Escherichia coli

Sequence modifications

A, B: 1 - 62 (UniProt: P03023)

PDB	External Database	Details
Cys 52	Val 52	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	24674.7
All*	Total formula weight	24674.7

*Water molecules are not included.