SMTL ID : 3tf1.2 (1 other biounit)

Crystal structure of an H-NOX protein from T. tengcongensis under 6 atm of xenon

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.04 Å

Oligo State

monomer

Ligands

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

HEM.1: 31 residues within 4Å: Chain A: M.1, K.2, I.5, W.9, I.75, F.78, F.82, Y.85, F.86, F.94, L.95, M.98, V.101, H.102, L.105, T.106, T.113, P.114, P.115, L.117, M.129, Y.131, S.133, R.135, M.137, Y.140, F.141, L.144, I.145, S.148 Ligands: OXY.2 33 PLIP interactions: 33 interactions with chain A, Hydrophobic interactions: A:I.5, A:I.5, A:F.78, A:F.78, A:Y.85, A:Y.85, A:F.86, A:F.94, A:F.94, A:T.106, A:P.115, A:L.117, A:Y.131, A:F.141, A:F.141, A:F.141, A:L.144, A:L.144, A:I.145 Hydrogen bonds: A:K.2, A:T.113, A:Y.131, A:S.133 Water bridges: A:M.1, A:T.113, A:T.113, A:T.113, A:R.135 Salt bridges: A:R.135, A:R.135 pi-Stacking: A:F.78, A:Y.140 Metal complexes: A:H.102

1 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.2: 8 residues within 4Å: Chain A: I.5, W.9, N.74, F.78, H.102, Y.140, L.144 Ligands: HEM.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.140, A:Y.140

2 x XE: XENON(Non-covalent)

XE.3: 5 residues within 4Å: Chain A: M.1, D.45, V.48, R.49, W.67 No protein-ligand interaction detected (PLIP) XE.4: 7 residues within 4Å: Chain A: V.6, W.9, I.10, L.13, V.48, I.51, F.52 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Winter, M.B. et al., Tunnels modulate ligand flux in a heme nitric oxide/oxygen binding (H-NOX) domain. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-11-09

Peptides

Methyl-accepting chemotaxis protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Methyl-accepting chemotaxis protein

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