6EJW

Tryptophan Repressor TrpR from E.coli wildtype with Indole-3-acetic acid as ligand

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	Trp operon repressor	polymer	116	13441.3	4	UniProt (P0A881) Pfam (PF01371) In PDB	Escherichia coli
2	A, B, C, D	1H-INDOL-3-YLACETIC ACID	non-polymer		175.2	7	Chemie (IAC)
3		water	water		18.0	186	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 108 (UniProt: P0A881)

PDB	External Database	Details
Leu 109	-	expression tag
Glu 110	-	expression tag
His 111	-	expression tag
His 112	-	expression tag
His 113	-	expression tag
His 114	-	expression tag
His 115	-	expression tag
His 116	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	53765.1
Non-Polymers*	Number of molecules	7
	Total formula weight	1226.3
All*	Total formula weight	54991.4

*Water molecules are not included.