SMTL ID : 2gln.1

Crystal structure of Mycobacterium tuberculosis trHbN, GlnE11Ala mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

homo-dimer

Ligands

1 x NA: SODIUM ION(Non-functional Binders)

NA.1: 3 residues within 4Å: Chain A: Q.79, V.80, Q.82 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.82 Water bridges: A:R.84

2 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 PO4.5: 4 residues within 4Å: Chain B: G.2, R.6, Y.16, P.69 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:G.2, B:Y.16 Water bridges: B:G.2, B:G.2, B:L.3, B:L.3, B:Y.16, B:D.17, B:H.22 Salt bridges: B:R.6

2 x CYN: CYANIDE ION(Non-covalent)

CYN.3: 4 residues within 4Å: Chain A: Y.33, F.46, L.54 Ligands: HEM.4 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.33 CYN.6: 3 residues within 4Å: Chain B: Y.33, F.46 Ligands: HEM.7 No protein-ligand interaction detected (PLIP)

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

HEM.4: 22 residues within 4Å: Chain A: L.42, F.45, F.46, T.49, R.53, L.54, 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, I.119, V.126 Ligands: CYN.3 29 PLIP interactions: 29 interactions with chain A, Hydrophobic interactions: A:L.42, A:F.45, A:F.46, A:F.46, A:F.46, A:T.49, A:L.54, A:F.61, A:F.61, A:F.62, 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:V.94, A:I.119, A:V.126 Hydrogen bonds: A:T.49, A:A.75 Water bridges: A:N.50, A:R.53, A:R.84 Salt bridges: A:R.53, A:R.84 Metal complexes: A:H.81 HEM.7: 24 residues within 4Å: Chain B: L.42, F.45, F.46, T.49, R.53, L.54, K.57, A.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, I.119, V.126 Ligands: CYN.6 20 PLIP interactions: 20 interactions with chain B, Hydrophobic interactions: B:L.42, B:F.45, B:F.46, B:F.46, B:T.49, B:L.54, B:F.61, B:F.62, B:I.86, B:I.86, B:F.91, B:V.94, B:V.94, B:I.119, B:V.126 Hydrogen bonds: B:T.49, B:A.75 Water bridges: B:R.53 Salt bridges: B:R.53 Metal complexes: B:H.81

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ouellet, Y. et al., Ligand interactions in the distal heme pocket of Mycobacterium tuberculosis truncated hemoglobin N: roles of TyrB10 and GlnE11 residues. Biochemistry (2006)

Release Date

2006-09-19

Peptides

Hemoglobin-like protein HbN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Hemoglobin-like protein HbN