1RCS

NMR STUDY OF TRP REPRESSOR-OPERATOR DNA COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	E, F	DNA (5'-D(*CP*GP*TP*AP*CP*TP*AP*GP*TP*TP*AP*AP*CP*TP*AP*GP*TP*AP*CP*G)-3')	polymer	20	6133.0	2
2	A, B	TRP REPRESSOR	polymer	105	12039.7	2	UniProt (P0A881) Pfam (PF01371) In PDB	Escherichia coli
3	A, B	TRYPTOPHAN	non-polymer		204.2	2	Chemie (TRP)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	36345.4
Non-Polymers*	Number of molecules	2
	Total formula weight	408.4
All*	Total formula weight	36753.9

*Water molecules are not included.