SMTL ID : 6te5.1

Crystal structure of human Aldehyde dehydrogenase 1A3 in complex with LQ43 inhibitor compound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.25 Å

Oligo State

homo-dimer

Ligands

2 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Covalent)(Non-covalent)

NAD.1: 20 residues within 4Å: Chain A: I.177, T.178, W.180, N.181, K.204, P.205, A.206, E.207, Q.208, G.237, P.238, G.241, A.242, F.255, T.256, G.257, S.258, V.261, V.265, D.358 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:Q.208 Hydrogen bonds: A:T.178, A:W.180, A:N.181, A:Q.208, A:S.258 NAD.4: 18 residues within 4Å: Chain B: I.177, T.178, P.179, W.180, K.204, P.205, A.206, E.207, G.237, G.241, A.242, F.255, S.258, V.261, L.264, V.265, Q.361, K.364 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Q.361 Hydrogen bonds: B:T.178, B:T.178, B:K.204, B:E.207, B:S.258, B:K.364 Water bridges: B:K.360

2 x N4Q: 6-(3,5-dimethoxyphenyl)-2-(4-methoxyphenyl)imidazo[1,2-a]pyridine(Non-covalent)

N4Q.2: 9 residues within 4Å: Chain A: F.131, I.132, E.135, G.136, T.140, L.185, W.189, L.471, A.473 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.132, A:E.135, A:L.185 Hydrogen bonds: A:T.140 N4Q.5: 10 residues within 4Å: Chain B: F.131, E.135, G.136, T.140, W.189, Q.304, N.469, L.471, Y.472, A.473 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:E.135, B:W.189, B:L.471

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: K.266, R.276, V.277, N.485 Chain B: K.266, R.276, V.277, N.485 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:K.266, A:K.266, A:N.485, B:V.277, B:N.485

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Quattrini, L. et al., Imidazo[1,2- a ]pyridine Derivatives as Aldehyde Dehydrogenase Inhibitors: Novel Chemotypes to Target Glioblastoma Stem Cells. J.Med.Chem. (2020)

Release Date

2020-11-18

Peptides

Aldehyde dehydrogenase family 1 member A3: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Aldehyde dehydrogenase family 1 member A3

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