GL1X · GenesisL1 explorer

MolNFT v1 · #126298 · protein

Tubulin-combretastatin A4 complex

5LYJ · Tubulin alpha-1B chain: “Tubulin-combretastatin A4 complex”. X-ray diffraction, 6 ligands (GTP, GDP, 7BA), 20 pockets (best druggability 0.84). MolNFT v1 #126298 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
5LYJ
Type
protein
Length
2,186 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, 7BA, ACP, CA, MG
Pockets
20 · best druggability 0.84

Structure

x-ray diffraction · 6 distinct chains · 47% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ATubulin alpha-1B chainprotein43946% helix, 18% strandP81947
BTubulin beta-2B chainprotein42549% helix, 20% strandQ6B856
CTubulin alpha-1B chainprotein44047% helix, 17% strandP81947
DTubulin beta-2B chainprotein42749% helix, 19% strandQ6B856
EStathmin-4protein12377% helix, 11% strandP63043
FTubulin-tyrosine ligaseprotein33232% helix, 22% 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
  • 7BA · Combretastatin A4 · ligand · 2 copies · chains A, B, C, D
  • ACP · Phosphomethylphosphonic acid adenylate ester · ligand · chains F
  • CA · Calcium ion · metal · 5 copies · chains A, B, C, E
  • MG · Magnesium ion · metal · 4 copies · chains A, B, C, D
  • GOL · Glycerol · additive · chains A
  • 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
18470.840.8694GTP, MG, 7BA
26060.830.8870empty
310780.830.84127GDP, MG
41570.800.96397BA
51880.790.9436GTP, MG

Interfaces

9 interfaces between chains.

  • A–E · 1589 Ų buried · 23 hydrogen bonds · protein-protein
  • C–D · 1472 Ų buried · 14 hydrogen bonds · protein-protein
  • A–B · 1419 Ų buried · 14 hydrogen bonds · protein-protein
  • B–C · 892 Ų buried · 13 hydrogen bonds · protein-protein
  • C–E · 841 Ų buried · 10 hydrogen bonds · protein-protein

Compared structures

  • 5LYJ · Tubulin-Combretastatin A4 complex · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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