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MolNFT v1 · #150229 · protein

Granule bound starch synthase from cyanobacterium sp. CLG1 bound to acarbose and ADP

6GNF · Glycogen synthase: “Granule bound starch synthase from cyanobacterium sp. CLG1 bound to acarbose and ADP”. X-ray diffraction, 5 ligands (ADP, AC1, GLC), 19 pockets (best druggability 0.86). MolNFT v1 #150229 on GenesisL1: 3D…

PDB
6GNF
Type
protein
Length
1,528 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Glycogen synthase
EC
2.4.1.21
UniProt
V5SNJ5
Ligands
ADP, AC1, GLC, BGC, SO4
Pockets
19 · best druggability 0.86

Structure

x-ray diffraction · 3 distinct chains · 40% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AGlycogen synthase (EC 2.4.1.21)protein52239% helix, 20% strandV5SNJ5
BGlycogen synthase (EC 2.4.1.21)protein49241% helix, 20% strandV5SNJ5
CGlycogen synthase (EC 2.4.1.21)protein51440% helix, 19% strandV5SNJ5

Ligands and binding sites

  • ADP · Adenosine-5'-diphosphate · ligand · 3 copies · chains A, B, C
  • AC1 · 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose · ligand · 2 copies · chains A, C
  • GLC · alpha-D-glucopyranose · sugar · 3 copies · chains A, C, B
  • BGC · beta-D-glucopyranose · sugar · 2 copies · chains A, C
  • SO4 · Sulfate ion · ion · 9 copies · chains A, B, C

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110970.860.87116BGC, GLC, AC1, ADP, SO4
28890.810.8386BGC, GLC, AC1, ADP
37490.760.8173ADP, GLC
41400.720.9225empty
52570.590.7930empty

Interfaces

2 interfaces between chains.

  • A–C · 853 Ų buried · 9 hydrogen bonds · protein-protein
  • A–B · 498 Ų buried · 5 hydrogen bonds · protein-protein

Compared structures

  • 6GNF · Granule Bound Starch Synthase from Cyanobacterium sp. CLg1 bound to acarbose and ADP · the same entry in another collection · chain C against C, TM-score 1.00

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