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Crystal structure of arg-bound CASTOR1

Analyse Crystal structure of arg-bound CASTOR1 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5GT7
Type
protein
Length
1,219 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Gats-like protein 3
UniProt
Q8WTX7
Ligands
ARG
Pockets
17 · best druggability 0.81

Structure

x-ray diffraction · 4 distinct chains · 30% helix, 32% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AGats-like protein 3protein30530% helix, 32% strandQ8WTX7
BGats-like protein 3protein29631% helix, 33% strandQ8WTX7
CGats-like protein 3protein31828% helix, 31% strandQ8WTX7
DGats-like protein 3protein30030% helix, 31% strandQ8WTX7

Ligands and binding sites

  • ARG · Arginine · ligand · 4 copies · chains A, B, C, D
  • MLI · Malonate ion · additive · 6 copies · chains A, B, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
112000.810.82114MLI
2510.670.9723ARG
33880.580.7542empty
41290.490.7928MLI
51320.450.7727MLI

Interfaces

5 interfaces between chains.

  • C–D · 938 Ų buried · 14 hydrogen bonds · protein-protein
  • A–B · 936 Ų buried · 14 hydrogen bonds · protein-protein
  • B–C · 811 Ų buried · 16 hydrogen bonds · protein-protein
  • A–D · 134 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 53 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 5GT7 · Crystal Structure of Arg-bound CASTOR1 · the same entry in another collection · chain D against D, TM-score 1.00
  • Q8WTX7 · AlphaFold monomer V2.0 prediction for cytosolic arginine sensor for MTORC1 subunit 1… · a predicted model of the same protein · chain B against A, TM-score 0.98

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