SMTL ID : 7r2y.1

Carbon regulatory PII-like protein SbtB from Synechocystis sp. 6803 in complex with ATP resulting from short ATP soak, conflicting T-loop and C-loop with partial occupancy

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-trimer

Ligands

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

ATP.1: 18 residues within 4Å: Chain A: V.11, G.39, K.40, G.41, S.42, R.43, E.57, N.59, A.88, G.89, I.90 Chain B: G.31, Y.32, T.33, E.63, I.64, L.65, T.103 15 PLIP interactions: 5 interactions with chain B, 10 interactions with chain A Hydrogen bonds: B:G.31, B:L.65, B:L.65, B:T.103, A:G.38, A:G.41, A:S.42, A:E.57, A:E.57, A:E.57, A:N.59, A:G.89 Water bridges: B:K.30, A:R.43, A:R.43 ATP.2: 17 residues within 4Å: Chain B: V.11, G.39, K.40, G.41, E.57, N.59, A.88, G.89, I.90 Chain C: G.31, Y.32, T.33, E.63, I.64, L.65, T.103 Ligands: NA.3 12 PLIP interactions: 4 interactions with chain B, 8 interactions with chain C Hydrogen bonds: B:G.38, B:G.39, B:G.41, B:N.59, C:G.31, C:T.33, C:L.65, C:L.65, C:T.103 Water bridges: C:K.30, C:T.103, C:F.104 ATP.4: 23 residues within 4Å: Chain A: G.31, Y.32, T.33, E.63, I.64, L.65, T.103 Chain C: V.11, G.38, G.39, K.40, G.41, S.42, R.43, N.44, V.45, R.46, E.57, N.59, A.88, G.89, I.90 Ligands: NA.5 21 PLIP interactions: 15 interactions with chain C, 6 interactions with chain A Hydrogen bonds: C:G.38, C:G.39, C:G.41, C:S.42, C:N.44, C:N.44, C:V.45, C:R.46, C:R.46, C:E.57, C:E.57, C:N.59, C:G.89, A:G.31, A:T.33, A:L.65, A:L.65 Salt bridges: C:R.43, C:R.46 Water bridges: A:K.30, A:T.103

2 x NA: SODIUM ION(Non-functional Binders)

NA.3: 2 residues within 4Å: Chain B: G.41 Ligands: ATP.2 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.41 NA.5: 4 residues within 4Å: Chain C: G.41, S.42, N.44 Ligands: ATP.4 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:G.41, C:G.41, C:N.44, C:N.44

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Selim, K.A. et al., Carbon signaling protein SbtB possesses atypical redox-regulated apyrase activity to facilitate regulation of bicarbonate transporter SbtA. Proc.Natl.Acad.Sci.USA (2023)

Release Date

2023-02-15

Peptides

Membrane-associated protein slr1513: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Membrane-associated protein slr1513

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