SMTL ID : 3fll.1

Crystal structure of E55Q mutant of nitrophorin 4

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

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

HEM.1: 18 residues within 4Å: Chain A: V.25, Y.28, V.36, P.37, Y.40, L.57, H.59, F.68, D.70, F.86, K.88, Y.105, T.121, L.123, K.125, K.128, L.133 Ligands: NH3.2 21 PLIP interactions: 21 interactions with chain A, Hydrophobic interactions: A:V.25, A:Y.28, A:Y.28, A:V.36, A:Y.40, A:Y.40, A:Y.40, A:F.68, A:F.86, A:F.86, A:Y.105, A:Y.105, A:L.123 Hydrogen bonds: A:D.70 Water bridges: A:K.88, A:K.88 Salt bridges: A:K.88, A:K.125, A:K.125, A:K.128 Metal complexes: A:H.59

1 x NH3: AMMONIA(Non-covalent)

NH3.2: 2 residues within 4Å: Chain A: L.133 Ligands: HEM.1 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Berry, R.E. et al., Effect of mutation of carboxyl side-chain amino acids near the heme on the midpoint potentials and ligand binding constants of nitrophorin 2 and its NO, histamine, and imidazole complexes. J.Am.Chem.Soc. (2009)

Release Date

2009-02-10

Peptides

Nitrophorin-4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Nitrophorin-4