SMTL ID : 1s56.1 (1 other biounit)

Crystal Structure of "Truncated" Hemoglobin N (HbN) from Mycobacterium tuberculosis, Soaked with Xe Atoms

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.43 Å

Oligo State

monomer

Ligands

1 x CYN: CYANIDE ION(Non-covalent)

CYN.1: 5 residues within 4Å: Chain A: Y.33, F.46, L.54, Q.58 Ligands: HEC.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.58

1 x K: POTASSIUM ION(Non-covalent)

K.2: 3 residues within 4Å: Chain A: Q.79, V.80, Q.82 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:Q.79, A:Q.82

1 x HEC: HEME C(Non-covalent)

HEC.3: 26 residues within 4Å: Chain A: L.42, F.45, F.46, G.48, T.49, R.53, L.54, K.57, Q.58, F.61, Y.72, G.74, A.75, M.77, V.80, H.81, R.84, I.86, H.90, F.91, V.94, I.119, L.122, V.126 Ligands: CYN.1, XE.5 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: A:L.42, A:F.45, A:F.46, A:L.54, A:K.57, A:F.61, A:F.61, A:Y.72, A:V.80, A:I.86, A:I.86, A:F.91, A:I.119, A:L.122 Hydrogen bonds: A:T.49, A:A.75 Water bridges: A:R.84, A:R.84, A:R.84 Salt bridges: A:R.53, A:R.84 Metal complexes: A:H.81

4 x XE: XENON(Non-covalent)

XE.4: 3 residues within 4Å: Chain A: V.28, F.62, L.66 No protein-ligand interaction detected (PLIP) XE.5: 3 residues within 4Å: Chain A: F.32, F.62 Ligands: HEC.3 No protein-ligand interaction detected (PLIP) XE.6: 5 residues within 4Å: Chain A: V.29, F.32, Q.58, F.62, L.98 No protein-ligand interaction detected (PLIP) XE.7: 2 residues within 4Å: Chain A: L.116, A.120 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Milani, M. et al., Heme-ligand tunneling in group I truncated hemoglobins. J.Biol.Chem. (2004)

Release Date

2004-06-29

Peptides

Hemoglobin-like protein HbN: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Hemoglobin-like protein HbN

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