GL1X · GenesisL1 explorer

MolNFT v1 · #152063 · protein

Sepiapterin reductase in complex with compound 2

6I6C: “Sepiapterin reductase in complex with compound 2”. X-ray diffraction, 2 ligands (NAP, H4H), 5 pockets (best druggability 0.78). MolNFT v1 #152063 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
6I6C
Type
protein
Length
523 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Sepiapterin reductase
EC
1.1.1.153
UniProt
P35270
Ligands
NAP, H4H
Pockets
5 · best druggability 0.78

Structure

x-ray diffraction · 2 distinct chains · 48% helix, 17% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASepiapterin reductase (EC 1.1.1.153)protein26648% helix, 17% strandP35270
BSepiapterin reductase (EC 1.1.1.153)protein25747% helix, 18% strandP35270

Ligands and binding sites

  • NAP · Nadp nicotinamide-adenine-dinucleotide phosphate · ligand · 2 copies · chains A, B
  • H4H · (1~{R},2~{S},4~{S})-~{N}-(3-chloranyl-4-cyano-phenyl) sulfonylbicyclo[2.2.1]heptane-2-carboxamide · ligand · 2 copies · chains A, B
  • EDO · 1,2-ethanediol · additive · 7 copies · chains A, B

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

Pockets

5 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14950.780.8549NAP, H4H, EDO
25180.770.8451NAP, H4H, EDO
3850.390.7714empty
4580.380.8015empty
5760.340.7616EDO

Interfaces

1 interface between chains.

  • A–B · 1948 Ų buried · 12 hydrogen bonds · protein-protein

Compared structures

  • 6I6C · Sepiapterin reductase in complex with compound 2 · the same entry in another collection · chain A against A, TM-score 1.00
  • P35270 · AlphaFold monomer V2.0 prediction for sepiapterin reductase (P35270) · a predicted model of the same protein · chain B against A, TM-score 0.99

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