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Structure of meditope enabled trastuzumab I83E variant

Analyse Structure of meditope enabled trastuzumab I83E variant in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5U3D
Type
protein
Length
552 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Memab trastuzumab Fab light chain I83E; Memab trastuzumab Fab heavy chain; Protein L…
UniProt
Q51918, Q2UW42
Ligands
MRY
Pockets
6 · best druggability 0.66

Structure

x-ray diffraction · 4 distinct chains · 18% helix, 46% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AMemab trastuzumab Fab light chain I83Eprotein2146% helix, 51% strand—
BMemab trastuzumab Fab heavy chainprotein22110% helix, 52% strand—
EProtein Lprotein6335% helix, 44% strandQ51918
CImmunoglobulin G binding protein aprotein5478% helix, 2% strandQ2UW42

Ligands and binding sites

  • MRY · Meso-erythritol · ligand · chains A

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

Pockets

6 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17030.660.7571empty
21420.560.8225empty
3600.560.8920empty
4910.400.7723empty
5750.320.7518empty

Interfaces

3 interfaces between chains.

  • A–B · 2007 Ų buried · 18 hydrogen bonds · protein-protein
  • A–E · 722 Ų buried · 10 hydrogen bonds · protein-protein
  • B–C · 229 Ų buried · 9 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 disulfide (disulfide).

Compared structures

  • 5U3D · Structure of meditope enabled trastuzumab I83E variant · the same entry in another collection · chain A against A, TM-score 1.00

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