SMTL ID : 1v9y.1

Crystal Structure of the heme PAS sensor domain of Ec DOS (ferric form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.32 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: V.54, I.56, W.73, I.85, L.88, I.89, P.90, L.93, H.97, Y.100, I.101, N.104, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 21 PLIP interactions: 20 interactions with chain A, 1 Ligand-Water interactions, Hydrophobic interactions: A:I.56, A:I.56, A:W.73, A:I.85, A:P.90, A:L.93, A:Y.100, A:Y.100, A:I.101, A:L.119, A:L.121, A:F.133, A:F.133, A:L.135, A:L.135, A:Y.146, A:Y.146, A:A.148 Hydrogen bonds: A:N.104 Metal complexes: A:H.97, H2O.1 HEM.2: 18 residues within 4Å: Chain B: V.54, I.56, I.85, L.88, I.89, P.90, L.93, H.97, Y.100, I.101, N.104, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 19 PLIP interactions: 18 interactions with chain B, 1 Ligand-Water interactions Hydrophobic interactions: B:I.56, B:I.85, B:P.90, B:L.93, B:Y.100, B:Y.100, B:I.101, B:L.121, B:F.133, B:F.133, B:L.135, B:L.135, B:Y.146, B:Y.146, B:A.148 Hydrogen bonds: B:N.104 Water bridges: B:N.104 Metal complexes: B:H.97, H2O.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kurokawa, H. et al., A redox-controlled molecular switch revealed by the crystal structure of a bacterial heme PAS sensor. J.Biol.Chem. (2004)

Release Date

2004-05-25

Peptides

Heme pas sensor protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heme pas sensor protein

Related Entries With Identical Sequence