SMTL ID : 9j9d.1

Crystal structure of ALK5 kinase domain in complex with inhibitor HM-279

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.34 Å

Oligo State

monomer

Ligands

1 x 01: 2-((1-(but-2-yn-1-yl)-1H-pyrazol-4-yl)(cyclopropylmethyl)amino)-5-(4-(dimethylcarbamoyl)-1H-pyrrol-2-yl)thiazole-4-carboxamide

01.1: 21 residues within 4Å: Chain A: I.14, V.22, A.33, K.35, Y.52, L.63, F.65, L.81, V.82, S.83, D.84, Y.85, H.86, E.87, G.89, D.93, K.140, N.141, L.143, A.153, D.154 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:I.14, A:Y.52, A:F.65, A:L.81, A:N.141, A:A.153 Hydrogen bonds: A:S.83, A:D.84, A:H.86, A:H.86, A:G.89

4 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 4 residues within 4Å: Chain A: D.72, G.74, T.75, W.76 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.75 EDO.3: 9 residues within 4Å: Chain A: R.135, D.136, L.137, Y.181, M.182, A.183, A.202, D.203, A.206 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.135, A:L.137, A:Y.181, A:A.183, A:D.203, A:D.203 EDO.4: 2 residues within 4Å: Chain A: Y.98, T.99 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.99 Water bridges: A:R.217 EDO.5: 2 residues within 4Å: Chain A: F.46, E.50 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Arai, M. et al., Discovery of HM-279, a Potent Inhibitor of ALK5 for Improving Therapeutic Efficacy of Cancer Immunotherapy. J.Med.Chem. (2025)

Release Date

2025-04-02

Peptides

TGF-beta receptor type-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

TGF-beta receptor type-1