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Tubulin-Z2074076908-complex

Analyse Tubulin-Z2074076908-complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5S5H
Type
protein
Length
2,200 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Tubulin alpha-1B chain; Tubulin beta-2B chain; Stathmin-4; Tubulin-tyrosine ligase
UniProt
P81947, Q6B856, P63043, E1BQ43
Ligands
GTP, GDP, WLG, ACP, MG, CA
Pockets
20 · best druggability 0.85

Structure

x-ray diffraction · 6 distinct chains · 46% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ATubulin alpha-1B chainprotein43845% helix, 18% strandP81947
BTubulin beta-2B chainprotein42548% helix, 18% strandQ6B856
CTubulin alpha-1B chainprotein44047% helix, 18% strandP81947
DTubulin beta-2B chainprotein42648% helix, 18% strandQ6B856
EStathmin-4protein12377% helix, 14% strandP63043
FTubulin-tyrosine ligaseprotein34832% helix, 21% strandE1BQ43

Ligands and binding sites

  • GTP · Guanosine-5'-triphosphate · ligand · 2 copies · chains A, B, C, D
  • GDP · Guanosine-5'-diphosphate · ligand · 2 copies · chains B, D
  • WLG · 1-(5-azaspiro[2.5]octan-5-yl)-2-(difluoromethoxy)ethan-1-one · ligand · chains B, C
  • ACP · Phosphomethylphosphonic acid adenylate ester · ligand · chains F
  • MG · Magnesium ion · metal · 5 copies · chains A, B, C, D, F
  • CA · Calcium ion · metal · 4 copies · chains A, E, B, C
  • MES · 2-(N-morpholino)-ethanesulfonic acid · additive · chains A, B

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

Pockets

20 pockets found on a 1 Å grid, 16 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18690.850.87112GTP, MG
28350.810.8488GDP, MG, WLG
38410.790.8293GTP, MG
41500.770.9534empty
511010.740.7784MG

Interfaces

9 interfaces between chains.

  • A–E · 1592 Ų buried · 25 hydrogen bonds · protein-protein
  • A–B · 1453 Ų buried · 16 hydrogen bonds · protein-protein
  • C–D · 1429 Ų buried · 21 hydrogen bonds · protein-protein
  • B–C · 921 Ų buried · 13 hydrogen bonds · protein-protein
  • C–E · 823 Ų buried · 8 hydrogen bonds · protein-protein

Compared structures

  • 5S5H · Tubulin-Z2074076908-complex · the same entry in another collection · chain A against A, TM-score 1.00

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