SMTL ID : 8ilu.1

Crystal structure of mouse Galectin-3 in complex with small molecule inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x Q1L: (2R,3R,4R,5R,6S)-2-(hydroxymethyl)-6-[2-(2-methyl-1,3-benzothiazol-6-yl)-1,2,4-triazol-3-yl]-4-[4-[3,4,5-tris(fluoranyl)phenyl]-1,2,3-triazol-1-yl]oxane-3,5-diol(Non-covalent)

Q1L.1: 14 residues within 4Å: Chain A: R.40, I.41, V.42, H.54, N.56, R.58, V.68, N.70, W.77, G.78, E.80, G.134 Ligands: SCN.2, NA.3 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:V.42 Hydrogen bonds: A:H.54, A:R.58, A:R.58, A:N.70 pi-Stacking: A:H.54 pi-Cation interactions: A:R.40 Q1L.4: 12 residues within 4Å: Chain B: R.40, I.41, V.42, H.54, N.56, R.58, V.68, N.70, W.77, G.78, E.80, G.134 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:V.42, B:W.77 Hydrogen bonds: B:R.58, B:R.58, B:N.70 Water bridges: B:N.56 pi-Stacking: B:H.54 pi-Cation interactions: B:R.40

1 x SCN: THIOCYANATE ION(Non-functional Binders)

SCN.2: 2 residues within 4Å: Ligands: Q1L.1, NA.3 No protein-ligand interaction detected (PLIP)

1 x NA: SODIUM ION(Non-functional Binders)

NA.3: 2 residues within 4Å: Ligands: Q1L.1, SCN.2 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Liu, C. et al., Identification of benzothiazole derived monosaccharides as potent, selective, and orally bioavailable inhibitors of human and mouse galectin-3; a rare example of using a S···O binding interaction for drug design. Bioorg.Med.Chem. (2024)

Release Date

2024-03-06

Peptides

Galectin-3: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Galectin-3

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