SMTL ID : 1ml7.1

Crystal structure of nitrophorin 4 complexed with 4-iodopyrazole

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.25 Å

Oligo State

monomer

Ligands

1 x HEV: 5,8-DIMETHYL-1,2,3,4-TETRAVINYLPORPHINE-6,7-DIPROPIONIC ACID FERROUS COMPLEX(Non-covalent)

HEV.1: 22 residues within 4Å: Chain A: V.25, Y.28, V.36, P.37, Y.40, A.42, L.44, E.55, L.57, H.59, F.68, D.70, F.86, K.88, Y.105, F.107, I.119, L.123, K.125, K.128, L.133 Ligands: PYZ.2 31 PLIP interactions: 31 interactions with chain A, Hydrophobic interactions: A:V.25, A:Y.28, A:Y.28, A:Y.28, A:V.36, A:V.36, A:V.36, A:Y.40, A:Y.40, A:Y.40, A:A.42, A:L.57, A:F.68, A:F.86, A:F.86, A:Y.105, A:Y.105, A:I.119, A:L.123 Hydrogen bonds: A:D.70 Water bridges: A:K.88, A:K.88, A:K.125, A:K.125, A:K.125, A:K.125 Salt bridges: A:K.88, A:K.125, A:K.125, A:K.128 Metal complexes: A:H.59

2 x PYZ: 4-IODOPYRAZOLE(Non-covalent)

PYZ.2: 7 residues within 4Å: Chain A: D.35, V.36, H.59, L.123, G.131, L.133 Ligands: HEV.1 1 PLIP interactions: 1 interactions with chain A Halogen bonds: A:D.35 PYZ.3: 3 residues within 4Å: Chain A: A.101, G.102, Y.104 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:G.102

Links

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Citation

Berry, R.E. et al., Axial ligand complexes of the Rhodnius nitrophorins: reduction potentials, binding constants, EPR spectra, and structures of the 4-iodopyrazole and imidazole complexes of NP4. J.Biol.Inorg.Chem. (2004)

Release Date

2002-09-20

Peptides

nitrophorin 4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

nitrophorin 4

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