SMTL ID : 7dgk.1

The Co-bound dimeric structure of K78H/G80A/H82A myoglobin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: L.89, S.92, H.93, H.97, I.99, Y.103, L.104, I.107, F.138 Chain B: T.39, K.42, F.43, K.45, H.64, V.67, V.68, A.71, L.72 Ligands: O.5 23 PLIP interactions: 13 interactions with chain A, 9 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: A:L.89, A:L.89, A:I.99, A:I.99, A:Y.103, A:I.107, A:F.138, B:F.43, B:F.43, B:V.67, B:V.68, B:A.71, B:L.72, B:L.72 Hydrogen bonds: A:S.92 Water bridges: A:P.88, B:H.64 Salt bridges: A:H.93, A:H.97, B:K.45 pi-Stacking: A:H.97 Metal complexes: A:H.93, O.5 HEM.6: 18 residues within 4Å: Chain A: T.39, K.42, F.43, K.45, H.64, V.67, V.68, A.71 Chain B: L.89, S.92, H.93, H.97, I.99, Y.103, L.104, I.107, F.138 Ligands: O.2 22 PLIP interactions: 8 interactions with chain A, 13 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: A:F.43, A:F.43, A:F.43, A:V.67, A:V.68, A:A.71, B:L.89, B:H.97, B:I.99, B:I.99, B:Y.103, B:L.104, B:I.107, B:F.138 Water bridges: A:K.45 Salt bridges: A:K.45, B:H.93, B:H.97 Hydrogen bonds: B:S.92 pi-Stacking: B:H.97 Metal complexes: B:H.93, O.2

2 x O: OXYGEN ATOM(Non-covalent)

O.2: 5 residues within 4Å: Chain A: F.43, H.64, V.68 Chain B: H.93 Ligands: HEM.6 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.64 O.5: 4 residues within 4Å: Chain A: H.93 Chain B: H.64, V.68 Ligands: HEM.1 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.64

4 x CO: COBALT (II) ION(Non-covalent)

CO.3: 3 residues within 4Å: Chain A: H.81, E.85 Chain B: H.78 4 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: A:H.81, A:E.85, B:H.78, H2O.5 CO.4: 2 residues within 4Å: Chain A: D.122 Chain B: N.12 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.122, H2O.1, H2O.1 CO.7: 3 residues within 4Å: Chain A: H.78 Chain B: H.81, E.85 6 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: B:H.81, B:E.85, A:H.78, H2O.1, H2O.4, H2O.4 CO.8: 1 residues within 4Å: Chain B: H.116 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:H.116, H2O.5, H2O.5, H2O.5, H2O.6

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nagao, S. et al., Rational design of metal-binding sites in domain-swapped myoglobin dimers. J.Inorg.Biochem. (2021)

Release Date

2021-02-17

Peptides

Myoglobin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Myoglobin

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