SMTL ID : 1vb6.1

Crystal Structure of the heme PAS sensor domain of Ec DOS (oxygen-bound form)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.56 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 21 residues within 4Å: Chain A: V.54, I.56, I.85, L.88, I.89, P.90, L.93, H.97, Y.100, N.104, V.112, E.113, G.114, M.115, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 27 PLIP interactions: 27 interactions with chain A, Hydrophobic interactions: A:I.56, A:I.56, A:I.85, A:P.90, A:Y.100, A:Y.100, A:V.112, A:L.119, A:L.121, A:F.133, A:F.133, A:L.135, A:L.135, A:Y.146, A:Y.146 Hydrogen bonds: A:E.113, A:G.114, A:M.115 Water bridges: A:Y.100, A:N.104, A:S.116, A:S.116 pi-Stacking: A:H.97, A:H.97 pi-Cation interactions: A:H.97, A:H.97 Metal complexes: A:H.97 HEM.2: 21 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, M.115, R.117, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 Ligands: OXY.3 25 PLIP interactions: 25 interactions with chain B, Hydrophobic interactions: B:V.54, B:I.56, B:I.56, B:I.85, B:P.90, B:Y.100, B:Y.100, B:Y.100, B:I.101, B:N.104, 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 Salt bridges: B:R.117 pi-Stacking: B:H.97, B:H.97 pi-Cation interactions: B:H.97, B:R.117 Metal complexes: B:H.97

1 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.3: 5 residues within 4Å: Chain B: R.117, L.119, F.133, L.135 Ligands: HEM.2 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.117, B:R.117

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kurokawa, H. et al., Structure of oxygen-bound form of a Heme PAS domain of Ec DOS. To be Published

Release Date

2005-04-19

Peptides

Heme pas sensor protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heme pas sensor protein

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