SMTL ID : 2y79.1

STRUCTURE OF THE FIRST GAF DOMAIN E87A MUTANT OF MYCOBACTERIUM TUBERCULOSIS DOSS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 27 residues within 4Å: Chain A: Y.26, G.27, A.28, F.41, Y.43, E.44, I.46, V.51, I.54, H.56, L.57, P.58, K.59, G.60, L.61, G.62, V.63, V.79, S.85, I.86, G.87, F.88, P.89, H.92, M.95, Y.114, T.116 28 PLIP interactions: 27 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:Y.26, A:A.28, A:F.41, A:Y.43, A:Y.43, A:I.46, A:I.46, A:V.51, A:V.51, A:L.57, A:P.58, A:L.61, A:V.79, A:I.86, A:F.88, A:P.89, A:Y.114, A:Y.114, A:T.116 Hydrogen bonds: A:K.59, A:G.60, A:L.61, A:V.63, A:I.86, A:G.87 pi-Stacking: A:F.41 Metal complexes: A:H.92, H2O.5 HEM.4: 26 residues within 4Å: Chain B: Y.26, G.27, A.28, F.41, Y.43, E.44, I.46, V.51, I.54, H.56, L.57, P.58, K.59, G.60, L.61, G.62, V.63, S.85, I.86, G.87, F.88, P.89, H.92, M.95, Y.114, T.116 24 PLIP interactions: 23 interactions with chain B, 1 Ligand-Water interactions Hydrophobic interactions: B:Y.26, B:A.28, B:F.41, B:F.41, B:Y.43, B:Y.43, B:V.51, B:L.57, B:P.58, B:I.86, B:F.88, B:P.89, B:Y.114, B:T.116 Hydrogen bonds: B:K.59, B:G.60, B:L.61, B:V.63, B:I.86, B:G.87 Water bridges: B:S.85 pi-Stacking: B:F.41 Metal complexes: B:H.92, H2O.9

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 1 residues within 4Å: Chain A: D.23 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.23, A:D.23, H2O.1, H2O.1

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 6 residues within 4Å: Chain A: A.2, M.3, E.8, R.12, H.40, F.41 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:M.3, A:R.12, A:H.40, A:F.41 Water bridges: A:R.12, A:F.41

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cho, H.Y. et al., Blockage of the Channel to Heme by the E87 Side Chain in the Gaf Domain of Mycobacterium Tuberculosis Doss Confers the Unique Sensitivity of Doss to Oxygen. FEBS Lett. (2011)

Release Date

2011-02-16

Peptides

REDOX SENSOR HISTIDINE KINASE RESPONSE REGULATOR DEVS: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

REDOX SENSOR HISTIDINE KINASE RESPONSE REGULATOR DEVS