SMTL ID : 7ns9.1

Triphosphate tunnel metalloenzyme from Sulfolobus acidocaldarius in complex with triphosphate and calcium

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

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

ACT.1: 7 residues within 4Å: Chain A: E.87, V.88, S.89 Chain B: E.87, V.88, S.89 Ligands: ACT.6 No protein-ligand interaction detected (PLIP) ACT.6: 7 residues within 4Å: Chain A: E.87, V.88, S.89 Chain B: E.87, V.88, S.89 Ligands: ACT.1 No protein-ligand interaction detected (PLIP)

4 x CA: CALCIUM ION(Non-covalent)

CA.2: 7 residues within 4Å: Chain A: E.8, K.10, K.79, R.113, E.136 Ligands: CA.3, 3PO.4 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.8, A:E.136, A:E.136 CA.3: 6 residues within 4Å: Chain A: E.6, E.8, E.136, E.138 Ligands: CA.2, 3PO.4 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.6, A:E.8, A:E.138, H2O.1, H2O.2 CA.7: 7 residues within 4Å: Chain B: E.8, K.10, K.79, R.113, E.136 Ligands: CA.8, 3PO.9 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:E.8, B:E.136, B:E.136 CA.8: 6 residues within 4Å: Chain B: E.6, E.8, E.136, E.138 Ligands: CA.7, 3PO.9 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.6, B:E.8, B:E.138, H2O.7, H2O.7

2 x 3PO: TRIPHOSPHATE(Non-covalent)

3PO.4: 18 residues within 4Å: Chain A: E.6, E.8, K.10, D.39, Y.41, R.57, R.59, K.70, K.79, R.81, E.83, K.111, R.113, E.136, S.168, Y.169 Ligands: CA.2, CA.3 25 PLIP interactions: 25 interactions with chain A Hydrogen bonds: A:Y.169 Water bridges: A:D.39, A:R.57, A:R.59, A:K.70, A:K.79, A:R.113, A:R.113, A:E.136, A:E.138, A:S.168, A:L.170 Salt bridges: A:K.10, A:K.10, A:R.57, A:R.57, A:R.59, A:R.59, A:K.70, A:K.70, A:K.70, A:K.79, A:K.111, A:R.113, A:R.113 3PO.9: 18 residues within 4Å: Chain B: E.6, E.8, K.10, D.39, Y.41, R.57, R.59, K.70, K.79, R.81, E.83, K.111, R.113, E.136, S.168, Y.169 Ligands: CA.7, CA.8 25 PLIP interactions: 25 interactions with chain B Hydrogen bonds: B:Y.169 Water bridges: B:R.57, B:R.59, B:R.59, B:K.70, B:K.79, B:R.113, B:R.113, B:E.136, B:E.138, B:S.168, B:L.170 Salt bridges: B:K.10, B:K.10, B:R.57, B:R.57, B:R.59, B:R.59, B:K.70, B:K.70, B:K.70, B:K.79, B:K.111, B:R.113, B:R.113

2 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.5: 6 residues within 4Å: Chain A: E.22, R.26, F.31, E.34, K.114, Y.116 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.22, A:E.22, A:R.26, A:K.114 PEG.10: 6 residues within 4Å: Chain B: E.22, R.26, F.31, E.34, K.114, Y.116 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:E.22, B:E.22, B:E.22, B:R.26, B:K.114

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vogt, M.S. et al., The archaeal triphosphate tunnel metalloenzyme SaTTM defines structural determinants for the diverse activities in the CYTH protein family. J.Biol.Chem. (2021)

Release Date

2021-06-02

Peptides

Triphosphate tunnel metalloenzyme Saci_0718: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Triphosphate tunnel metalloenzyme Saci_0718

Related Entries With Identical Sequence