SMTL ID : 8czp.1

2.25 angstrom resolution crystal structure of as-isolated KatG from Mycobacterium tuberculosis with an MYW cofactor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.25 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 23 residues within 4Å: Chain A: P.101, L.102, R.105, W.108, V.231, P.233, I.249, F.253, L.266, I.267, G.270, H.271, F.273, G.274, K.275, T.276, H.277, T.315, S.316, W.322, L.379, T.381, W.413 28 PLIP interactions: 27 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:R.105, A:W.108, A:W.108, A:W.108, A:P.233, A:I.249, A:F.253, A:L.266, A:I.267, A:T.276, A:W.322, A:L.379, A:T.381, A:W.413 Hydrogen bonds: A:K.275, A:H.277, A:S.316 Water bridges: A:D.95, A:D.95, A:D.95, A:R.105, A:H.277 Salt bridges: A:R.105, A:H.277, A:H.277 pi-Stacking: A:W.108 Metal complexes: A:H.271, H2O.6 HEM.2: 23 residues within 4Å: Chain B: P.101, L.102, I.104, R.105, W.108, V.231, P.233, I.249, L.266, I.267, G.270, H.271, F.273, G.274, K.275, T.276, H.277, T.315, S.316, W.322, L.379, T.381, W.413 24 PLIP interactions: 23 interactions with chain B, 1 Ligand-Water interactions Hydrophobic interactions: B:I.104, B:W.108, B:W.108, B:I.249, B:L.266, B:I.267, B:I.267, B:T.276, B:W.322, B:L.379, B:T.381, B:W.413 Hydrogen bonds: B:K.275, B:K.275, B:H.277, B:T.315, B:S.316 Water bridges: B:R.105 Salt bridges: B:R.105, B:H.277, B:H.277 pi-Stacking: B:W.108 Metal complexes: B:H.271, H2O.15

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 7 residues within 4Å: Chain B: H.117, R.485, V.587, L.588, E.589, P.590, L.617 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:V.587 Water bridges: B:K.614, B:K.614 Salt bridges: B:R.485, B:K.614 ACT.4: 4 residues within 4Å: Chain B: N.259, E.262, E.408, K.411 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:N.259 Water bridges: B:E.408, B:E.408, B:K.411 Salt bridges: B:K.411

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, J. et al., Indole-N-Linked Hydroperoxyl Adduct of Protein-Derived Cofactor Modulating Catalase-Peroxidase Functions. Angew.Chem.Int.Ed.Engl. (2024)

Release Date

2023-12-13

Peptides

Catalase-peroxidase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Catalase-peroxidase

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