SMTL ID : 3l1m.1 (1 other biounit)

Crystal Structure of a Ni-directed Dimer of Cytochrome cb562 with a Quinolate-Histidine Hybrid Coordination Motif

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Covalent)

HEM.1: 14 residues within 4Å: Chain A: L.3, E.4, M.7, L.10, N.11, M.33, P.45, P.46, F.61, F.65, C.98, C.101, H.102, R.106 13 PLIP interactions: 13 interactions with chain A, Hydrophobic interactions: A:L.3, A:M.7, A:N.11, A:P.45, A:F.65, A:F.65, A:F.65, A:R.106 Hydrogen bonds: A:E.4 pi-Stacking: A:H.102, A:H.102 pi-Cation interactions: A:R.106 Metal complexes: A:H.102 HEM.4: 14 residues within 4Å: Chain B: L.3, E.4, M.7, L.10, N.11, M.33, P.45, P.46, F.61, F.65, C.98, C.101, H.102, R.106 13 PLIP interactions: 13 interactions with chain B, Hydrophobic interactions: B:L.3, B:M.7, B:N.11, B:P.45, B:F.65, B:F.65, B:F.65, B:R.106 Hydrogen bonds: B:E.4 pi-Stacking: B:H.102, B:H.102 pi-Cation interactions: B:R.106 Metal complexes: B:H.102

2 x HQI: N-(8-hydroxyquinolin-5-yl)acetamide(Covalent)

HQI.2: 9 residues within 4Å: Chain A: H.63, D.66, I.67, C.70, Q.71 Chain B: H.63 Ligands: NI.3, HQI.5, NI.6 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:D.66, A:I.67 HQI.5: 9 residues within 4Å: Chain A: H.63 Chain B: H.63, D.66, I.67, C.70, Q.71 Ligands: HQI.2, NI.3, NI.6 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:D.66, B:I.67

2 x NI: NICKEL (II) ION(Non-covalent)

NI.3: 5 residues within 4Å: Chain A: H.63 Chain B: H.63 Ligands: HQI.2, HQI.5, NI.6 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Metal complexes: B:H.63, A:H.63 NI.6: 5 residues within 4Å: Chain A: H.63 Chain B: H.63 Ligands: HQI.2, NI.3, HQI.5 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Metal complexes: B:H.63, A:H.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Radford, R.J. et al., Controlled protein dimerization through hybrid coordination motifs. Inorg.Chem. (2010)

Release Date

2010-04-28

Peptides

Soluble cytochrome b562: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Soluble cytochrome b562

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