SMTL ID : 6gi6.1

Crystal structure of the ACVR1 (ALK2) kinase in complex with a Quinazolinone based ALK2 inhibitor with a 5-methyl core.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

monomer

Ligands

1 x EZB: 5-methyl-6-quinolin-5-yl-3~{H}-quinazolin-4-one(Non-covalent)

EZB.1: 17 residues within 4Å: Chain A: V.16, V.24, A.35, V.36, K.37, L.65, L.83, T.85, H.86, Y.87, H.88, G.91, K.142, N.143, L.145, A.155, D.156 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:V.16, A:V.24, A:K.37, A:T.85, A:L.145, A:L.145, A:A.155 Hydrogen bonds: A:H.88, A:H.88 Water bridges: A:S.92, A:D.156, A:D.156

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

SO4.2: 5 residues within 4Å: Chain A: R.182, N.239, D.240, P.241 Ligands: EDO.10 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.240, A:D.240 Salt bridges: A:R.182 SO4.3: 2 residues within 4Å: Chain A: P.260, N.261 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.261 SO4.4: 4 residues within 4Å: Chain A: R.8, M.72, T.73, S.74 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.73, A:S.74 Salt bridges: A:R.8 SO4.5: 3 residues within 4Å: Chain A: H.88, K.147, K.148 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.148 Water bridges: A:N.149 Salt bridges: A:H.88

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

EDO.6: 2 residues within 4Å: Chain A: L.13, R.26 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.26, A:R.26 EDO.7: 7 residues within 4Å: Chain A: L.12, E.23, W.25, I.38, R.75, H.76, Q.80 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.25, A:Q.80 EDO.8: 4 residues within 4Å: Chain A: T.289, R.292, K.295 Ligands: EDO.13 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.289, A:R.292, A:R.292, A:R.292 EDO.9: 7 residues within 4Å: Chain A: F.233, D.235, V.236, Q.255, R.256, P.257, N.258 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.258, A:N.258 Water bridges: A:F.233, A:N.258, A:N.258 EDO.10: 5 residues within 4Å: Chain A: K.140, G.179, T.180, K.181 Ligands: SO4.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.181 Water bridges: A:R.182 EDO.11: 3 residues within 4Å: Chain A: K.181, S.242, F.243 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.243 Water bridges: A:S.242, A:E.244 EDO.12: 5 residues within 4Å: Chain A: R.137, V.188, I.193, Y.201, V.204 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.137, A:R.137 EDO.13: 7 residues within 4Å: Chain A: H.122, I.123, K.202, T.289, A.290, L.291 Ligands: EDO.8 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.202, A:A.290, A:L.291 EDO.14: 3 residues within 4Å: Chain A: D.103, T.104, V.221 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.104 Water bridges: A:T.104, A:V.221 EDO.15: 7 residues within 4Å: Chain A: D.199, R.203, P.284, S.285, A.286, R.287, T.289 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.203, A:R.287, A:R.287

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hudson, L. et al., Novel Quinazolinone Inhibitors of ALK2 Flip between Alternate Binding Modes: Structure-Activity Relationship, Structural Characterization, Kinase Profiling, and Cellular Proof of Concept. J. Med. Chem. (2018)

Release Date

2018-05-23

Peptides

Activin receptor type-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Activin receptor type-1

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