4IVZ

A Y37F mutant of C.Esp1396I bound to its highest affinity operator site OM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, E, F	Regulatory protein	polymer	82	9505.2	4	UniProt (Q8GGH0) Pfam (PF01381) In PDB	Enterobacter sp.
2	C, G	DNA (5'-D(*AP*TP*GP*TP*AP*GP*AP*CP*TP*AP*TP*AP*GP*TP*CP*GP*AP*CP*A)-3')	polymer	19	5852.8	2
3	D, H	DNA (5'-D(*TP*TP*GP*TP*CP*GP*AP*CP*TP*AP*TP*AP*GP*TP*CP*TP*AP*CP*A)-3')	polymer	19	5794.8	2
4		water	water		18.0	2	Chemie (HOH)

Sequence modifications

A, B, E, F: 1 - 79 (UniProt: Q8GGH0)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Phe 37	Tyr 37	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	61315.9
All*	Total formula weight	61315.9

*Water molecules are not included.