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Crystal structure of S-nitrosylated nitrosoglutathione REDUCTASE(GSNOR)FROM chlamydomonas reinhardtii, in complex with NAD+

Analyse Crystal structure of S-nitrosylated nitrosoglutathione REDUCTASE(GSNOR)FROM… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7AV7
Type
protein
Length
2,259 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
S-(HYDROXYMETHYL)GLUTATHIONE dehydrogenase
EC
1.1.1.284
UniProt
A0A2K3D6R4
Ligands
NAD, ZN, CL
Pockets
20 · best druggability 0.82

Structure

x-ray diffraction · 2 distinct chains · 30% helix, 26% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, C, D, FS-(HYDROXYMETHYL)GLUTATHIONE dehydrogenase (EC 1.1.1.284)protein37731% helix, 25% strandA0A2K3D6R4
ES-(HYDROXYMETHYL)GLUTATHIONE dehydrogenase (EC 1.1.1.284)protein37430% helix, 26% strandA0A2K3D6R4

Ligands and binding sites

  • NAD · Nicotinamide-adenine-dinucleotide · ligand · 6 copies · chains A, F, B, C, D, E
  • ZN · Zinc ion · metal · 12 copies · chains A, B, C, D, E, F
  • CL · Chloride ion · ion · chains D

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

Pockets

20 pockets found on a 1 Å grid, 14 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19980.820.83102empty
211310.820.83133NAD
39710.800.8189NAD
410440.780.8094NAD
59560.780.8072NAD

Interfaces

7 interfaces between chains.

  • D–E · 1741 Ų buried · 25 hydrogen bonds · protein-protein
  • A–F · 1741 Ų buried · 27 hydrogen bonds · protein-protein
  • B–C · 1730 Ų buried · 25 hydrogen bonds · protein-protein
  • A–B · 491 Ų buried · 6 hydrogen bonds · protein-protein
  • D–F · 370 Ų buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 modified, 2 covalent (nonstandard, covalent ligand).

Compared structures

  • 7AV7 · Crystal structure of S-nitrosylated nitrosoglutathione reductase(GSNOR)from Chlamydomonas… · the same entry in another collection · chain A against A, TM-score 1.00

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