SMTL ID : 6gmo.1 (1 other biounit)

Plant glutamate cysteine ligase (GCL) in complex with non-reducing GSH (GSM)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: E.39, E.91, E.97 Ligands: GSM.2 6 PLIP interactions: 3 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.39, A:E.91, A:E.97, H2O.10, H2O.12, H2O.14

1 x GSM: L-GAMMA-GLUTAMYL-S-METHYLCYSTEINYLGLYCINE(Non-covalent)

GSM.2: 19 residues within 4Å: Chain A: E.39, S.89, E.91, P.92, Q.95, R.152, Y.153, M.156, M.170, M.171, T.174, C.175, T.176, R.224, W.228, T.304, F.307, R.319 Ligands: MG.1 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:E.91, A:E.91, A:E.91, A:R.152, A:T.174, A:T.174, A:W.228, A:R.319, A:R.319 Water bridges: A:S.89, A:Q.95, A:R.152, A:Y.153 Salt bridges: A:R.152, A:R.224

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 10 residues within 4Å: Chain A: K.27, R.33, I.34, G.35, P.102, N.180, L.181, D.182, Y.315, Y.341 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.35, A:N.180, A:D.182

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

ACT.4: 4 residues within 4Å: Chain A: N.114, L.117, Y.118, K.121 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.114 Water bridges: A:K.121 Salt bridges: A:K.121

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yang, Y. et al., Plant glutathione biosynthesis revisited: redox-mediated activation of glutamylcysteine ligase does not require homo-dimerization. Biochem.J. (2019)

Release Date

2019-06-19

Peptides

Glutamate--cysteine ligase, chloroplastic: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Glutamate--cysteine ligase, chloroplastic

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