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Humanized rat comt bound to sah, semi-holo form

Analyse Humanized rat comt bound to sah, semi-holo form in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4PYO
Type
protein
Length
429 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Catechol O-methyltransferase
EC
2.1.1.6
UniProt
P22734
Ligands
SAH, K, MG
Pockets
3 · best druggability 0.74

Structure

x-ray diffraction · 2 distinct chains · 47% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACatechol O-methyltransferase (EC 2.1.1.6)protein21446% helix, 21% strandP22734
BCatechol O-methyltransferase (EC 2.1.1.6)protein21547% helix, 24% strandP22734

Ligands and binding sites

  • SAH · S-adenosyl-L-homocysteine · ligand · 2 copies · chains A, B
  • K · Potassium ion · metal · chains A
  • MG · Magnesium ion · metal · chains B

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

Pockets

3 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17130.740.8082SAH
23190.690.8349SAH
3680.310.7517empty

Interfaces

1 interface between chains.

  • A–B · 532 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

  • 4PYO · Humanized rat COMT bound to SAH, semi-holo form · the same entry in another collection · chain A against A, TM-score 1.00
  • P22734 · AlphaFold monomer V2.0 prediction for catechol O-methyltransferase (P22734) · a predicted model of the same protein · chain B against A, TM-score 0.99

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