SMTL ID : 1y21.1

Crystal Structure of Cimex Nitrophorin NO Complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

monomer

Ligands

2 x NO: NITRIC OXIDE(Covalent)(Non-covalent)

NO.1: 4 residues within 4Å: Chain A: A.21, C.60, F.64 Ligands: HEM.3 No protein-ligand interaction detected (PLIP) NO.2: 4 residues within 4Å: Chain A: V.44, I.80, G.85 Ligands: HEM.3 1 PLIP interactions: 1 interactions with chain A Water bridges: A:G.85

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

HEM.3: 25 residues within 4Å: Chain A: W.14, S.16, H.18, E.19, R.20, A.21, P.22, V.44, G.48, F.49, D.52, P.54, Q.56, G.57, C.60, V.61, F.64, Q.65, K.75, N.78, I.80, T.87, Y.89 Ligands: NO.1, NO.2 19 PLIP interactions: 18 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:W.14, A:V.44, A:D.52, A:Q.56, A:V.61, A:F.64, A:F.64, A:F.64, A:N.78, A:I.80, A:T.87 Hydrogen bonds: A:Q.65, A:Y.89, A:Y.89 Water bridges: A:K.75, A:N.78 Salt bridges: A:K.75 pi-Stacking: A:F.49 Metal complexes: NO.2

1 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.4: 2 residues within 4Å: Chain A: D.231, T.264 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.231

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Weichsel, A. et al., Heme-assisted S-nitrosation of a proximal thiolate in a nitric oxide transport protein. Proc.Natl.Acad.Sci.Usa (2005)

Release Date

2004-11-30

Peptides

salivary nitrophorin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

salivary nitrophorin

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