SMTL ID : 2vzw.1

X-ray structure of the heme-bound GAF domain of sensory histidine kinase DosT of Mycobacterium tuberculosis

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 28 residues within 4Å: Chain A: Y.22, G.23, F.37, Y.39, E.40, I.42, R.47, I.50, G.51, S.52, L.53, P.54, E.55, G.56, R.57, G.58, V.59, L.60, S.81, V.82, G.83, F.84, P.85, H.88, M.91, F.94, Y.110, T.112 26 PLIP interactions: 26 interactions with chain A, Hydrophobic interactions: A:F.37, A:Y.39, A:Y.39, A:I.42, A:R.47, A:I.50, A:I.50, A:L.53, A:L.60, A:F.84, A:F.84, A:P.85, A:F.94, A:Y.110, A:T.112 Hydrogen bonds: A:E.55, A:G.56, A:R.57, A:G.58, A:V.59, A:V.82, A:G.83 Water bridges: A:R.57 Salt bridges: A:R.57 pi-Stacking: A:F.37 Metal complexes: A:H.88 HEM.3: 31 residues within 4Å: Chain B: Y.22, G.23, A.24, F.37, Y.39, E.40, I.42, R.47, I.50, G.51, S.52, L.53, P.54, E.55, G.56, R.57, G.58, V.59, L.60, I.75, S.81, V.82, G.83, F.84, P.85, H.88, M.91, F.94, Y.110, T.112 Ligands: OXY.4 25 PLIP interactions: 25 interactions with chain B, Hydrophobic interactions: B:A.24, B:F.37, B:Y.39, B:I.42, B:I.50, B:I.50, B:P.54, B:P.54, B:L.60, B:I.75, B:V.82, B:F.84, B:F.84, B:P.85, B:F.94, B:Y.110, B:T.112 Hydrogen bonds: B:E.55, B:G.56, B:R.57, B:V.59, B:V.82, B:G.83 pi-Stacking: B:F.37 Metal complexes: B:H.88

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 4 residues within 4Å: Chain A: R.28, R.33, L.34, P.54 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:L.34 Salt bridges: A:R.28, A:R.33 ACT.5: 4 residues within 4Å: Chain B: R.28, R.33, L.34, P.54 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:L.34 Salt bridges: B:R.33

1 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.4: 4 residues within 4Å: Chain B: P.54, L.60, Y.110 Ligands: HEM.3 1 PLIP interactions: 1 interactions with chain B Water bridges: B:Y.110

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Podust, L.M. et al., 2.3 A X-Ray Structure of the Heme-Bound Gaf Domain of Sensory Histidine Kinase Dost of Mycobacterium Tuberculosis. Biochemistry (2008)

Release Date

2009-03-17

Peptides

PROBABLE HISTIDINE KINASE RESPONSE REGULATOR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PROBABLE HISTIDINE KINASE RESPONSE REGULATOR