SMTL ID : 1s61.2 (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: 4 residues within 4Å: Chain A: Y.33, Q.58, H.81 Ligands: HEM.5 No protein-ligand interaction detected (PLIP)

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

PO4.2: 5 residues within 4Å: Chain A: L.3, R.6, Y.16, G.21, H.22 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:L.3, A:Y.16, A:H.22 Water bridges: A:R.6, A:H.22, A:E.23 Salt bridges: A:R.6, A:H.22 PO4.3: 3 residues within 4Å: Chain A: Q.82, G.83, S.128 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.83, A:S.128, A:S.128, A:S.128 PO4.4: 3 residues within 4Å: Chain A: Q.82, G.83, R.84 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.84

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

HEM.5: 23 residues within 4Å: Chain A: F.45, F.46, T.49, R.53, L.54, K.57, Q.58, F.61, F.62, Y.72, G.74, A.75, M.77, V.80, H.81, R.84, I.86, H.90, F.91, V.94, L.122, V.126 Ligands: CYN.1 26 PLIP interactions: 26 interactions with chain A, Hydrophobic interactions: A:F.45, A:F.46, A:F.46, A:F.46, A:T.49, A:L.54, A:K.57, A:F.61, A:F.62, A:I.86, A:I.86, A:F.91, A:V.94, A:L.122, A:L.122, A:V.126, A:V.126 Hydrogen bonds: A:T.49, A:A.75 Water bridges: A:N.50, A:R.53, A:R.53, A:R.84 Salt bridges: A:R.53, A:R.84 Metal complexes: A:H.81

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
B

Hemoglobin-like protein HbN

Related Entries With Identical Sequence