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MolNFT v1 · #93171 · protein

New crystal form structure of human NCS1

4GUK · Neuronal calcium sensor 1: “New crystal form structure of human NCS1”. X-ray diffraction, 5 ligands (P2G, P3G, ALA), 16 pockets (best druggability 0.71). MolNFT v1 #93171 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4GUK
Type
protein
Length
724 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Neuronal calcium sensor 1
UniProt
P62166
Ligands
P2G, P3G, ALA, CA, NA
Pockets
16 · best druggability 0.71

Structure

x-ray diffraction · 4 distinct chains · 63% helix, 5% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ANeuronal calcium sensor 1protein18362% helix, 5% strandP62166
CNeuronal calcium sensor 1protein18263% helix, 4% strandP62166
BNeuronal calcium sensor 1protein17963% helix, 4% strandP62166
DNeuronal calcium sensor 1protein18063% helix, 6% strandP62166

Ligands and binding sites

  • P2G · (2s,4r,6r,6as)-4-(2-amino-6-oxo-1,6-dihydropurin-9-yl)-6-(hydroxymethyl)-tetrahydrofuro[3,4-d][1,3]dioxol-2-ylphosphoni C acid · ligand · 4 copies · chains C, B, D
  • P3G · 3,6,9,12,15-pentaoxaheptadecane · ligand · chains C
  • ALA · Alanine · ligand · chains B
  • CA · Calcium ion · metal · 12 copies · chains A, C, B, D
  • NA · Sodium ion · metal · 4 copies · chains A, C, B, D
  • PG4 · Tetraethylene glycol · additive · 7 copies · chains A, C, B, D
  • EDO · 1,2-ethanediol · additive · 5 copies · chains A, B, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17850.710.7650PG4, EDO
25310.690.7851PG4, EDO, P2G
35070.690.7848PG4, P2G
46000.670.7647EDO, P2G, PG4
51420.430.7618empty

Interfaces

5 interfaces between chains.

  • A–D · 262 Ų buried · 1 hydrogen bond · protein-protein
  • C–B · 257 Ų buried · 1 hydrogen bond · protein-protein
  • A–B · 100 Ų buried · 1 hydrogen bond · protein-protein
  • A–C · 70 Ų buried · 0 hydrogen bonds · protein-protein
  • B–D · 69 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 4GUK · New crystal form structure of human NCS1 · the same entry in another collection · chain D against D, TM-score 1.00
  • P62166 · AlphaFold monomer V2.0 prediction for neuronal calcium sensor 1 (P62166) · a predicted model of the same protein · chain C against A, TM-score 0.96

Analyse

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