SMTL ID : 7ag8.1

Cryo-EM structure of wild-type 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: 23 residues within 4Å: Chain A: P.100, L.101, I.103, R.104, W.107, V.230, P.232, 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, L.378, T.380, W.412 23 PLIP interactions: 23 interactions with chain A, Hydrophobic interactions: A:I.103, A:R.104, A:W.107, A:W.107, A:P.232, A:F.252, A:L.265, A:I.266, A:T.275, A:W.321, A:L.378, A:W.412 Hydrogen bonds: A:K.274, A:H.276, A:S.315, A:S.315 Salt bridges: A:R.104, A:H.276, A:H.276 pi-Stacking: A:W.107, A:W.107 pi-Cation interactions: A:H.270 Metal complexes: A:H.270 HEM.2: 20 residues within 4Å: Chain B: P.100, L.101, R.104, W.107, V.230, P.232, F.252, L.265, G.269, H.270, F.272, G.273, K.274, T.275, H.276, T.314, S.315, W.321, T.380, L.415 21 PLIP interactions: 21 interactions with chain B, Hydrophobic interactions: B:R.104, B:W.107, B:W.107, B:P.232, B:P.232, B:F.252, B:L.265, B:T.275, B:W.321, B:L.415 Hydrogen bonds: B:K.274, B:H.276, B:T.314, B:S.315, B:S.315 Salt bridges: B:R.104, B:H.276, B:H.276 pi-Stacking: B:W.107, B:W.107 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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