SMTL ID : 8osg.1

AAA+ motor subunit ChlI of magnesium chelatase, hexamer conformation B

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-hexamer

Ligands

2 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 10 residues within 4Å: Chain A: I.27, V.28, G.56, T.57, G.58, K.59, S.60, T.61, I.235 Chain F: R.297 9 PLIP interactions: 7 interactions with chain A, 2 interactions with chain F Hydrogen bonds: A:V.28, A:G.56, A:G.56, A:G.58, A:K.59, A:S.60, A:T.61, F:R.297 Salt bridges: F:R.297 ADP.10: 14 residues within 4Å: Chain E: L.296, R.297 Chain F: I.27, V.28, D.54, R.55, G.56, T.57, G.58, K.59, S.60, T.61, I.235, R.239 11 PLIP interactions: 10 interactions with chain F, 1 interactions with chain E Hydrogen bonds: F:V.28, F:D.54, F:G.58, F:K.59, F:S.60, F:S.60, F:T.61, F:T.61, E:R.297 Salt bridges: F:K.59, F:K.59

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 2 residues within 4Å: Chain B: S.60 Ligands: ATP.3 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.60 MG.5: 2 residues within 4Å: Chain C: S.60 Ligands: ATP.4 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:S.60 MG.7: 2 residues within 4Å: Chain D: S.60 Ligands: ATP.6 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:S.60 MG.9: 2 residues within 4Å: Chain E: S.60 Ligands: ATP.8 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:S.60

4 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.3: 14 residues within 4Å: Chain A: Q.212, R.297 Chain B: F.22, I.27, V.28, G.56, T.57, G.58, K.59, S.60, T.61, I.235, R.239 Ligands: MG.2 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:V.28, B:V.28, B:G.56, B:G.58, B:K.59, B:S.60, B:T.61, B:R.239, A:Q.212 Salt bridges: B:K.59, B:K.59, A:R.297 ATP.4: 15 residues within 4Å: Chain B: R.216, L.296, R.297, I.300 Chain C: I.27, V.28, G.56, T.57, G.58, K.59, S.60, T.61, I.235, R.239 Ligands: MG.5 15 PLIP interactions: 11 interactions with chain C, 4 interactions with chain B Hydrogen bonds: C:V.28, C:V.28, C:G.56, C:G.58, C:K.59, C:S.60, C:S.60, C:T.61, C:R.239, B:Q.212, B:R.297 Salt bridges: C:K.59, C:K.59, B:R.216, B:R.297 ATP.6: 15 residues within 4Å: Chain C: A.177, Q.212, R.216, L.296, R.297 Chain D: I.27, V.28, G.56, T.57, G.58, K.59, S.60, T.61, R.239 Ligands: MG.7 12 PLIP interactions: 4 interactions with chain C, 8 interactions with chain D Hydrogen bonds: C:Q.212, C:R.297, D:V.28, D:V.28, D:G.56, D:K.59, D:S.60, D:T.61, D:R.239 Salt bridges: C:R.216, C:R.297, D:K.59 ATP.8: 16 residues within 4Å: Chain D: R.216, R.297, I.300 Chain E: I.27, V.28, R.55, G.56, T.57, G.58, K.59, S.60, T.61, E.160, I.235, R.239 Ligands: MG.9 15 PLIP interactions: 12 interactions with chain E, 3 interactions with chain D Hydrogen bonds: E:V.28, E:V.28, E:G.56, E:G.56, E:G.58, E:K.59, E:S.60, E:S.60, E:T.61, E:T.61, E:R.239, E:R.239, D:R.216, D:R.297 Salt bridges: D:R.297

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shvarev, D. et al., Conformational variability of cyanobacterial ChlI, the AAA+ motor of magnesium chelatase involved in chlorophyll biosynthesis. Mbio (2023)

Release Date

2023-09-06

Peptides

Magnesium-chelatase subunit ChlI: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Magnesium-chelatase subunit ChlI

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