GL1X · GenesisL1 explorer

Research workbench

Crystal Structure of Drosophila melanogaster Pur-alpha

Analyse Crystal Structure of Drosophila melanogaster Pur-alpha in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3K44
Type
protein
Length
570 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v2 / PDB Bank
Contract
0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
Owner
0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
Resolution
2.1
Source
Drosophila melanogaster
Molecule
Purine-rich binding protein-alpha, isoform B
UniProt
Q9V4D9
Ligands
CL
Pockets
10 · best druggability 0.72

Structure

x-ray diffraction · resolution 2.1 · 2 distinct chains · 26% helix, 49% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CPurine-rich binding protein-alpha, isoform Bprotein14526% helix, 48% strandQ9V4D9
B, DPurine-rich binding protein-alpha, isoform Bprotein14027% helix, 50% strandQ9V4D9

Ligands and binding sites

  • CL · Chloride ion · ion · 8 copies · chains A, B, C, D
  • EDO · 1,2-ethanediol · additive · 4 copies · chains A, B, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15330.720.8141empty
22670.530.7639empty
31940.520.7822empty
41640.510.7921empty
5910.380.7619empty

Interfaces

4 interfaces between chains.

  • A–B · 802 Ų buried · 11 hydrogen bonds · protein-protein
  • C–D · 793 Ų buried · 11 hydrogen bonds · protein-protein
  • B–D · 313 Ų buried · 3 hydrogen bonds · protein-protein
  • A–D · 303 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 3K44 · Crystal structure of drosophila melanogaster pur-alpha · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.