SMTL ID : 3fk7.1

Crystal structure of TetR triple mutant (H64K, S135L, S138I) in complex with 4-ddma-atc

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.06 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: H.100 Chain B: E.147 Ligands: 4DM.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:H.100 MG.3: 2 residues within 4Å: Chain B: H.100 Ligands: 4DM.4 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:H.100, H2O.8, H2O.8, H2O.9

2 x 4DM: (4aS,12aS)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide(Non-covalent)

4DM.2: 17 residues within 4Å: Chain A: L.60, K.64, S.67, N.82, F.86, H.100, T.103, R.104, P.105, Q.109, V.113, Q.116, L.131, I.134, I.138 Chain B: M.177 Ligands: MG.1 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:P.105, A:V.113, A:L.131, A:I.134, A:I.138 Hydrogen bonds: A:N.82, A:N.82, A:T.103, A:Q.109, A:Q.116 Water bridges: A:R.104, A:Q.109 4DM.4: 17 residues within 4Å: Chain A: A.173, M.177 Chain B: L.60, K.64, S.67, N.82, F.86, H.100, R.104, P.105, Q.109, V.113, Q.116, L.131, I.134, I.138 Ligands: MG.3 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:P.105, B:V.113, B:L.131, B:I.134, B:I.138, A:A.173 Hydrogen bonds: B:S.67, B:H.100, B:R.104, B:Q.116 Water bridges: B:R.104

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Klieber, M.A. et al., Structural origins for selectivity and specificity in an engineered bacterial repressor-inducer pair. Febs J. (2009)

Release Date

2009-11-03

Peptides

Tetracycline repressor protein class B from transposon Tn10, Tetracycline repressor protein class D: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Tetracycline repressor protein class B from transposon Tn10, Tetracycline repressor protein class D

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