SMTL ID : 2o0g.2 (1 other biounit)

Crystal structure of the H-NOX domain from Nostoc sp. PCC 7120 complexed to CO

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.51 Å

Oligo State

monomer

Ligands

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

HEM.1: 25 residues within 4Å: Chain A: M.1, Y.2, V.5, W.74, T.78, Y.83, L.86, L.87, F.97, L.101, L.104, H.105, V.108, L.115, R.116, P.118, F.120, Y.134, S.136, R.138, L.141, M.144, V.145, L.148 Ligands: CMO.2 31 PLIP interactions: 30 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:V.5, A:W.74, A:Y.83, A:L.86, A:L.87, A:L.87, A:F.97, A:L.101, A:L.101, A:L.104, A:V.108, A:P.118, A:F.120, A:Y.134, A:L.141, A:V.145, A:L.148, A:L.148 Hydrogen bonds: A:Y.2, A:R.116, A:R.116, A:R.116, A:Y.134 Water bridges: A:T.137, A:R.138 Salt bridges: A:R.138, A:R.138 pi-Stacking: A:W.74, A:W.74 Metal complexes: A:H.105, CMO.2

1 x CMO: CARBON MONOXIDE(Non-functional Binders)

CMO.2: 4 residues within 4Å: Chain A: W.74, M.144, L.148 Ligands: HEM.1 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ma, X. et al., NO and CO differentially activate soluble guanylyl cyclase via a heme pivot-bend mechanism. Embo J. (2007)

Release Date

2007-01-30

Peptides

Alr2278 protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Alr2278 protein

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