SMTL ID : 7rtw.1

Cryo-EM structure of a TTYH3 cis-dimer

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

4 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 7 residues within 4Å: Chain A: N.127, V.130, W.189, P.192, S.195, L.196, E.197 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:P.192 NAG-NAG-BMA.2: 3 residues within 4Å: Chain A: L.345, Q.348, N.352 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.3: 6 residues within 4Å: Chain B: N.127, W.189, P.192, V.194, S.195, E.197 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:P.192 NAG-NAG-BMA.5: 5 residues within 4Å: Chain A: Q.309 Chain B: R.331, V.347, Q.348, N.352 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.331

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.4: 2 residues within 4Å: Chain B: N.145, L.180 No protein-ligand interaction detected (PLIP)

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.6: 1 residues within 4Å: Chain A: N.145 No protein-ligand interaction detected (PLIP)

2 x CA: CALCIUM ION(Non-covalent)

CA.7: 3 residues within 4Å: Chain A: E.111, D.114 Chain B: D.114 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Metal complexes: B:D.114, A:E.111, A:E.111 CA.8: 2 residues within 4Å: Chain A: D.114 Chain B: E.111 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Metal complexes: B:E.111, A:D.114, A:D.114

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, B. et al., Structures of tweety homolog proteins TTYH2 and TTYH3 reveal a Ca 2+ -dependent switch from intra- to intermembrane dimerization. Nat Commun (2021)

Release Date

2021-08-25

Peptides

Protein tweety homolog 3: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Protein tweety homolog 3