SMTL ID : 4np1.2 (1 other biounit)

NITROPHORIN 1 COMPLEX WITH NITRIC OXIDE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

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

HEM.1: 17 residues within 4Å: Chain A: V.25, Y.28, D.34, Y.40, 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.2 21 PLIP interactions: 21 interactions with chain A, Hydrophobic interactions: A:V.25, A:Y.28, A:Y.28, A:Y.40, A:Y.40, A:Y.40, A:L.57, A:F.68, A:F.68, A:F.86, A:F.86, A:Y.105, A:Y.105, A:I.119, A:L.123, A:L.130, A:L.133 Salt bridges: A:K.88, A:K.125, A:K.125 Metal complexes: A:H.59

1 x NO: NITRIC OXIDE(Non-covalent)

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

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

PO4.3: 3 residues within 4Å: Chain A: D.113, K.148 Ligands: PO4.4 No protein-ligand interaction detected (PLIP) PO4.4: 5 residues within 4Å: Chain A: D.113, S.115, S.116, K.148 Ligands: PO4.3 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.113, A:S.115, A:S.116, A:K.148 Water bridges: A:G.146, A:K.148

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ding, X.D. et al., Nitric Oxide Binding to the Ferri-and Ferroheme States of Nitrophorin 1, a Reversible No-Binding Heme Protein from the Saliva of the Blood-Sucking Insect, Rhodnius Prolixus. To be Published

Release Date

1998-11-11

Peptides

NITROPHORIN 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

NITROPHORIN 1

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