SMTL ID : 1ywa.1

0.9 A Structure of NP4 from Rhodnius Prolixus complexed with CO at pH 5.6

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 0.89 Å

Oligo State

monomer

Ligands

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

PO4.1: 8 residues within 4Å: Chain A: T.26, D.27, A.143, A.144, A.145, F.160, S.165, K.167 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:A.145, A:S.165 Water bridges: A:D.27, A:A.143, A:K.167, A:K.167 Salt bridges: A:K.167 PO4.2: 3 residues within 4Å: Chain A: P.37, K.38, R.39 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.38, A:R.39, A:R.39

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

HEM.3: 21 residues within 4Å: Chain A: Y.28, V.36, P.37, Y.40, L.44, L.57, H.59, F.68, D.70, F.86, K.88, Y.105, F.107, I.119, T.121, L.123, K.125, K.128, L.130, L.133 Ligands: CMO.4 31 PLIP interactions: 30 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:Y.28, A:V.36, 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:F.107, A:I.119, A:L.123, A:L.123, A:L.130 Hydrogen bonds: A:D.70 Water bridges: A:K.88, A:K.88, A:N.103, A:K.125, A:K.125, A:K.128 Salt bridges: A:K.88, A:K.125, A:K.125, A:K.128 Metal complexes: A:H.59, CMO.4

1 x CMO: CARBON MONOXIDE(Non-functional Binders)

CMO.4: 5 residues within 4Å: Chain A: H.59, L.123, L.130, L.133 Ligands: HEM.3 1 PLIP interactions: 1 interactions with chain A Water bridges: A:L.130

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Maes, E.M. et al., Ultrahigh Resolution Structures of Nitrophorin 4: Heme Distortion in Ferrous CO and NO Complexes. Biochemistry (2005)

Release Date

2005-10-04

Peptides

nitrophorin 4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

nitrophorin 4

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