SMTL ID : 7c3g.2 (1 other biounit)

Crystal structure of human ALK2 kinase domain with R206H mutation in complex with a bicyclic pyrazole inhibitor RK-73134

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x FH0: ~{N}-[4-(4-methylpiperazin-1-yl)phenyl]-4-(2-pyridin-3-yl-6,7-dihydro-4~{H}-pyrazolo[5,1-c][1,4]oxazin-3-yl)pyrimidin-2-amine(Non-covalent)

FH0.1: 17 residues within 4Å: Chain A: V.16, V.24, A.35, K.37, L.65, L.83, T.85, H.86, Y.87, H.88, E.89, M.90, G.91, S.92, D.95, K.142, L.145 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.16, A:V.16, A:V.24, A:K.37, A:T.85, A:Y.87 Hydrogen bonds: A:H.88, A:S.92 Water bridges: A:S.92, A:D.156, A:D.156

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 5 residues within 4Å: Chain A: R.20, R.182, N.239, D.240, P.241 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.240, A:D.240 Salt bridges: A:R.20, A:R.182 SO4.5: 4 residues within 4Å: Chain A: G.19, R.20, Y.21, K.142 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.20 Water bridges: A:R.20, A:K.140 Salt bridges: A:R.20, A:K.140, A:K.142 SO4.6: 3 residues within 4Å: Chain A: Y.281, Q.282, N.283 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.282, A:N.283 Water bridges: A:Q.254, A:Q.282 SO4.7: 3 residues within 4Å: Chain A: H.88, K.147, K.148 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.148 Water bridges: A:E.89, A:N.149 Salt bridges: A:H.88 SO4.8: 2 residues within 4Å: Chain A: D.103, T.104 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.104, A:T.104 Water bridges: A:V.105 SO4.9: 3 residues within 4Å: Chain A: I.125, F.126, S.166 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.166, A:S.166 SO4.10: 5 residues within 4Å: Chain A: T.100, T.101, L.102, D.103, S.106 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.100, A:T.101, A:D.103, A:S.106 Water bridges: A:Y.96, A:S.106 SO4.11: 1 residues within 4Å: Chain A: R.109 3 PLIP interactions: 3 interactions with chain A Water bridges: A:V.105, A:R.109 Salt bridges: A:R.109

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

EDO.3: 5 residues within 4Å: Chain A: F.233, D.235, V.236, R.256, N.258 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.258 Water bridges: A:F.233, A:N.258 EDO.4: 3 residues within 4Å: Chain A: E.44, K.45, F.48 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.44, A:K.45, A:K.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yamamoto, H. et al., Novel bicyclic pyrazoles as potent ALK2 (R206H) inhibitors for the treatment of fibrodysplasia ossificans progressiva. Bioorg.Med.Chem.Lett. (2021)

Release Date

2021-03-03

Peptides

Activin receptor type-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Activin receptor type-1

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