SMTL ID : 1sy1.1

1.0 A Crystal Structure of T121V Mutant of Nitrophorin 4 Complexed with Nitric Oxide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.01 Å

Oligo State

monomer

Ligands

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 4 residues within 4Å: Chain A: P.37, K.38, R.39, K.63 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.38, A:R.39 Salt bridges: A:R.39, A:K.63

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

HEM.2: 19 residues within 4Å: Chain A: V.25, Y.28, V.36, P.37, Y.40, L.44, L.57, H.59, F.68, D.70, F.86, K.88, Y.105, I.119, L.123, K.125, L.130, L.133 Ligands: NO.3 27 PLIP interactions: 26 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:V.25, A:V.25, A:Y.28, A:Y.28, A:V.36, A:V.36, A:Y.40, A:Y.40, A:Y.40, A:L.44, A:F.68, A:F.86, A:F.86, A:Y.105, A:Y.105, A:I.119, A:L.123, A:L.130 Hydrogen bonds: A:D.70 Water bridges: A:K.88, A:K.88, A:N.103 Salt bridges: A:K.88, A:K.125, A:K.125 Metal complexes: A:H.59, NO.3

1 x NO: NITRIC OXIDE(Non-covalent)

NO.3: 5 residues within 4Å: Chain A: H.59, L.123, L.130, L.133 Ligands: HEM.2 1 PLIP interactions: 1 interactions with chain A Water bridges: A:L.123

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Maes, E.M. et al., Role of binding site loops in controlling nitric oxide release: structure and kinetics of mutant forms of nitrophorin 4. Biochemistry (2004)

Release Date

2004-06-08

Peptides

Nitrophorin 4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Nitrophorin 4

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