3FK6

Crystal structure of TetR triple mutant (H64K, S135L, S138I)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Tetracycline repressor protein class B from transposon Tn10, Tetracycline repressor protein class D	polymer	208	23448.8	2	UniProt (P04483) UniProt (P0ACT4) Pfam (PF00440) Pfam (PF02909) In PDB	Escherichia coli
2		water	water		18.0	116	Chemie (HOH)

Sequence modifications

A, B: 1 - 50 (UniProt: P04483)
A, B: 51 - 208 (UniProt: P0ACT4)

PDB	External Database	Details
Lys 64	His 64	engineered mutation
Leu 135	Ser 135	engineered mutation
Ile 138	Ser 138	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	46897.6
All*	Total formula weight	46897.6

*Water molecules are not included.