SMTL ID : 7a7a.1

Cryo-EM structure of W107R after heme uptake (2heme molecules) KatG from M. tuberculosis

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

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

HEM.1: 17 residues within 4Å: Chain A: P.100, I.103, R.104, R.107, I.248, F.252, L.265, I.266, G.269, H.270, F.272, K.274, T.275, H.276, L.378, D.381, W.412 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:R.104, A:R.107, A:R.107, A:I.248, A:F.252, A:L.265, A:I.266, A:T.275, A:L.378, A:W.412 Hydrogen bonds: A:K.274, A:S.315 Salt bridges: A:R.104, A:H.276, A:H.276 Metal complexes: A:H.270 HEM.2: 22 residues within 4Å: Chain B: P.100, I.103, R.104, R.107, V.230, P.232, I.248, F.252, L.265, I.266, G.269, H.270, F.272, G.273, K.274, T.275, H.276, T.314, S.315, W.321, T.380, W.412 22 PLIP interactions: 22 interactions with chain B, Hydrophobic interactions: B:I.103, B:R.104, B:R.107, B:V.230, B:P.232, B:I.248, B:F.252, B:L.265, B:I.266, B:I.266, B:T.275, B:W.321, B:W.412 Hydrogen bonds: B:K.274, B:H.276, B:T.314, B:S.315 Salt bridges: B:R.104, B:H.276, B:H.276 pi-Cation interactions: B:H.270 Metal complexes: B:H.270

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Munir, A. et al., Using cryo-EM to understand antimycobacterial resistance in the catalase-peroxidase (KatG) from Mycobacterium tuberculosis. Structure (2021)

Release Date

2021-01-27

Peptides

Catalase-peroxidase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Catalase-peroxidase

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