SMTL ID : 1s61.1 (1 other biounit)

Crystal Structure of "Truncated" Hemoglobin N (HbN) from Mycobacterium tuberculosis, Soaked with Butyl-isocyanide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

monomer

Ligands

1 x CYN: CYANIDE ION(Non-covalent)

CYN.1: 6 residues within 4Å: Chain A: Y.33, F.46, L.54, Q.58, H.81 Ligands: HEM.4 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.58

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

PO4.2: 2 residues within 4Å: Chain A: R.53, K.57 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.53, A:K.57

1 x K: POTASSIUM ION(Non-covalent)

K.3: 4 residues within 4Å: Chain A: Q.79, V.80, Q.82, R.84 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:Q.79, A:V.80, A:Q.82, H2O.2

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

HEM.4: 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, NBN.5 26 PLIP interactions: 26 interactions with chain A, Hydrophobic interactions: A:L.42, A:F.45, A:F.45, A:F.46, A:F.46, A:F.46, A:L.54, A:K.57, A:F.61, A:Y.72, A:V.80, A:V.80, A:I.86, A:I.86, A:H.90, A:F.91, A:V.94, A:I.119, A:L.122 Hydrogen bonds: A:T.49, A:A.75 Water bridges: A:N.50, A:R.84 Salt bridges: A:R.53, A:R.84 Metal complexes: A:H.81

1 x NBN: N-BUTYL ISOCYANIDE(Non-covalent)

NBN.5: 8 residues within 4Å: Chain A: F.32, Q.58, F.62, V.94, A.95, L.98, I.119 Ligands: HEM.4 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.32, A:V.94, A:L.98, A:L.98, A:I.119

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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