SMTL ID : 6gin.1

Crystal structure of the ACVR1 (ALK2) kinase in complex with an Quinazolinone based ALK2 inhibitor with a 4-morpholinophenyl solvent accessible group.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x IR2: 3-(4-morpholin-4-ylphenyl)-6-quinolin-4-yl-quinazolin-4-one(Non-covalent)

IR2.1: 18 residues within 4Å: Chain A: V.16, V.24, A.35, K.37, L.65, T.85, H.86, Y.87, H.88, M.90, G.91, D.95, L.99, K.142, N.143, L.145, A.155, D.156 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:V.24, A:A.35, A:L.65, A:Y.87, A:L.145, A:L.145, A:A.155, A:D.156 Hydrogen bonds: A:H.88 Water bridges: A:D.156 IR2.8: 16 residues within 4Å: Chain B: V.16, V.24, A.35, K.37, L.65, T.85, H.86, Y.87, H.88, G.91, D.95, K.142, N.143, L.145, A.155, D.156 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:V.16, B:V.16, B:V.24, B:A.35, B:L.65, B:T.85, B:Y.87, B:L.145, B:L.145, B:A.155, B:D.156 Hydrogen bonds: B:H.88 Water bridges: B:K.37

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

SO4.2: 8 residues within 4Å: Chain A: E.62, I.64, L.65, G.66, H.86, H.88, K.147, C.153 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.66 Water bridges: A:I.64, A:H.86 Salt bridges: A:H.86, A:H.88, A:K.147 SO4.3: 5 residues within 4Å: Chain A: K.142, R.182, N.239, D.240, P.241 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.240 Water bridges: A:D.240 Salt bridges: A:K.142, A:R.182 SO4.4: 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 SO4.9: 4 residues within 4Å: Chain B: R.182, N.239, D.240, P.241 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:D.240 Water bridges: B:R.20, B:K.142, B:R.182, B:R.182, B:N.239 Salt bridges: B:R.182 SO4.10: 8 residues within 4Å: Chain B: E.62, I.64, L.65, G.66, H.86, H.88, K.147, C.153 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.66 Water bridges: B:E.62 Salt bridges: B:H.86, B:H.88, B:K.147 SO4.11: 3 residues within 4Å: Chain B: H.88, K.147, K.148 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.148 Water bridges: B:Y.87, B:E.89 Salt bridges: B:H.88

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

EDO.5: 6 residues within 4Å: Chain A: F.233, D.235, V.236, Q.255, R.256, N.258 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.258, A:N.258 Water bridges: A:F.233, A:N.258 EDO.6: 5 residues within 4Å: Chain A: R.182, Y.234, V.237, P.238, N.239 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.182, A:R.182 EDO.7: 4 residues within 4Å: Chain A: R.218, E.227, D.228, Y.234 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.218, A:R.218, A:D.228, A:D.228 EDO.12: 5 residues within 4Å: Chain B: F.233, D.235, V.236, R.256, N.258 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.258, B:N.258 Water bridges: B:N.258

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: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Activin receptor type-1

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