SMTL ID : 1v9z.1

Crystal Structure of the heme PAS sensor domain of Ec DOS (Ferrous Form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-tetramer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: V.54, I.85, L.88, I.89, P.90, L.93, H.97, Y.100, I.101, N.104, G.114, M.115, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: A:V.54, A:I.85, A:I.89, A:P.90, A:Y.100, A:I.101, A:L.121, A:F.133, A:F.133, A:L.135, A:Y.146, A:Y.146, A:A.148 Hydrogen bonds: A:N.104, A:G.114, A:M.115 Water bridges: A:H.103, A:N.104 pi-Stacking: A:H.97, A:H.97 pi-Cation interactions: A:H.97 Metal complexes: A:H.97 HEM.2: 22 residues within 4Å: Chain B: V.54, I.85, L.88, P.90, L.93, H.97, Y.100, I.101, N.104, V.112, E.113, G.114, M.115, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 Chain C: R.117 Ligands: HEM.3 23 PLIP interactions: 22 interactions with chain B, 1 interactions with chain C, Hydrophobic interactions: B:I.85, B:P.90, B:L.93, B:Y.100, B:Y.100, B:I.101, B:V.112, B:L.121, B:F.133, B:F.133, B:L.135, B:Y.146, B:Y.146, B:A.148 Hydrogen bonds: B:N.104, B:E.113, B:G.114, B:M.115 pi-Stacking: B:H.97, B:H.97, B:H.97 Metal complexes: B:H.97 Salt bridges: C:R.117 HEM.3: 21 residues within 4Å: Chain B: R.117 Chain C: V.54, I.85, L.88, I.89, P.90, L.93, H.97, Y.100, I.101, N.104, G.114, M.115, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 Ligands: HEM.2 22 PLIP interactions: 21 interactions with chain C, 1 interactions with chain B, Hydrophobic interactions: C:V.54, C:I.85, C:I.89, C:P.90, C:Y.100, C:I.101, C:L.121, C:F.133, C:F.133, C:L.135, C:Y.146, C:Y.146, C:A.148 Hydrogen bonds: C:N.104, C:G.114, C:M.115 Water bridges: C:N.104 pi-Stacking: C:H.97, C:H.97 pi-Cation interactions: C:H.97 Metal complexes: C:H.97 Salt bridges: B:R.117 HEM.4: 20 residues within 4Å: Chain D: V.54, I.85, L.88, P.90, L.93, H.97, Y.100, I.101, N.104, V.112, E.113, G.114, M.115, L.119, Q.120, L.121, F.133, L.135, Y.146, A.148 22 PLIP interactions: 22 interactions with chain D, Hydrophobic interactions: D:I.85, D:P.90, D:L.93, D:Y.100, D:Y.100, D:I.101, D:V.112, D:L.121, D:F.133, D:F.133, D:L.135, D:Y.146, D:Y.146, D:A.148 Hydrogen bonds: D:N.104, D:E.113, D:G.114, D:M.115 pi-Stacking: D:H.97, D:H.97, D:H.97 Metal complexes: D:H.97

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: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

Heme pas sensor protein

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