SMTL ID : 2qrw.1 (8 other biounits)

Crystal structure of Mycobacterium tuberculosis trHbO WG8F mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

homo-dimer

Ligands

2 x CYN: CYANIDE ION(Non-covalent)

CYN.1: 6 residues within 4Å: Chain A: Y.23, Y.36, L.48, H.75, F.88 Ligands: HEM.5 No protein-ligand interaction detected (PLIP) CYN.6: 6 residues within 4Å: Chain B: F.22, Y.36, L.48, H.75, F.88 Ligands: HEM.8 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.36

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: Q.65, R.66, G.67, R.74 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.65 Water bridges: A:R.66 Salt bridges: A:R.66, A:R.74 SO4.3: 5 residues within 4Å: Chain A: E.38, G.43, A.44, R.47 Ligands: HEM.5 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:E.38, A:A.44 Water bridges: A:G.43, A:G.43, A:G.43, A:G.43 Salt bridges: A:R.47 SO4.4: 2 residues within 4Å: Chain A: R.70 Chain B: R.79 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Water bridges: A:L.71, A:R.72, B:R.79 SO4.7: 4 residues within 4Å: Chain B: E.46, R.49, M.50, E.53 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.53 Water bridges: B:R.49 Salt bridges: B:R.49

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

HEM.5: 24 residues within 4Å: Chain A: L.32, V.35, Y.36, P.37, A.44, R.47, L.48, F.51, Y.62, R.66, L.71, R.74, H.75, F.78, I.80, E.84, R.85, F.88, Y.115, A.119, A.120, L.123 Ligands: CYN.1, SO4.3 28 PLIP interactions: 28 interactions with chain A, Hydrophobic interactions: A:L.32, A:Y.36, A:Y.36, A:A.44, A:L.48, A:F.51, A:F.51, A:L.71, A:F.78, A:F.78, A:I.80, A:I.80, A:I.80, A:E.84, A:F.88, A:F.88, A:F.88, A:F.88, A:F.88, A:Y.115, A:A.120 Water bridges: A:Y.62, A:Y.62 Salt bridges: A:R.47, A:R.66, A:R.74 pi-Stacking: A:Y.36 Metal complexes: A:H.75 HEM.8: 23 residues within 4Å: Chain B: V.35, Y.36, P.37, A.44, R.47, L.48, F.51, L.52, Y.62, R.66, L.71, R.74, H.75, F.78, I.80, E.84, F.88, Y.115, L.116, A.119, A.120, L.123 Ligands: CYN.6 25 PLIP interactions: 25 interactions with chain B, Hydrophobic interactions: B:V.35, B:Y.36, B:A.44, B:L.48, B:F.51, B:F.51, B:L.52, B:L.71, B:F.78, B:I.80, B:I.80, B:F.88, B:F.88, B:F.88, B:F.88, B:Y.115, B:L.116, B:A.119 Hydrogen bonds: B:Y.62 Water bridges: B:Y.23 Salt bridges: B:R.47, B:R.47, B:R.66, B:R.74 Metal complexes: B:H.75

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ouellet, H. et al., The Roles of Tyr(CD1) and Trp(G8) in Mycobacterium tuberculosis Truncated Hemoglobin O in Ligand Binding and on the Heme Distal Site Architecture. Biochemistry (2007)

Release Date

2007-11-06

Peptides

Hemoglobin-like protein HbO: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
H

Hemoglobin-like protein HbO

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