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Cryo-EM structure of human TTYH3 in CA2+ and gdn

Analyse Cryo-EM structure of human TTYH3 in CA2+ and gdn in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7P5C
Type
protein
Length
784 residues
Chains
2
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Protein tweety homolog 3
UniProt
Q9C0H2
Ligands
NAG
Pockets
8 · best druggability 0.78

Structure

electron microscopy · 1 distinct chain · 83% helix, 1% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BProtein tweety homolog 3protein39283% helix, 1% strandQ9C0H2

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 8 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

8 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17890.780.8154empty
27700.780.8152empty
38840.710.7684empty
41320.520.8117empty
51380.470.7819empty

Interfaces

1 interface between chains.

  • A–B · 2001 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 glycan, 4 disulfide (N-glycosylation, disulfide).

Compared structures

  • 7P5C · Cryo-EM structure of human TTYH3 in Ca2+ and GDN · the same entry in another collection · chain A against A, TM-score 1.00
  • Q9C0H2 · AlphaFold monomer V2.0 prediction for protein tweety homolog 3 (Q9C0H2) · a predicted model of the same protein · chain A against A, TM-score 0.98

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