SMTL ID : 9f5r.2 (1 other biounit)

Holo IDO with a bound inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.69 Å

Oligo State

monomer

Ligands

1 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 27 residues within 4Å: Chain A: Y.141, F.178, V.181, S.182, V.185, F.229, I.232, F.241, S.278, A.279, G.280, F.285, R.358, H.361, I.364, V.365, Y.368, I.369, G.393, T.394, L.399, F.402, L.403, V.406 Ligands: 01.2, DMS.3, DMS.4 23 PLIP interactions: 23 interactions with chain A, Hydrophobic interactions: A:F.178, A:F.178, A:V.181, A:V.185, A:F.229, A:F.229, A:I.232, A:F.241, A:A.279, A:F.285, A:F.285, A:I.364, A:V.365, A:Y.368, A:Y.368, A:L.399, A:F.402 Hydrogen bonds: A:T.394, A:T.394 Water bridges: A:R.358 Salt bridges: A:R.358 pi-Stacking: A:F.178 Metal complexes: A:H.361

1 x 01: (R)-[1-[2,5-bis(fluoranyl)-4-methoxy-phenyl]-1,2,3-triazol-4-yl]-(6-cyclopropylimidazo[1,5-a]pyrazin-5-yl)methanol

01.2: 19 residues within 4Å: Chain A: Y.141, C.144, V.145, F.178, F.179, S.182, F.241, F.242, R.246, L.249, G.277, S.278, A.279, I.369, K.392, G.393, T.394, L.399 Ligands: HEM.1 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.179, A:F.241, A:L.249, A:I.369, A:L.399 Hydrogen bonds: A:A.279

2 x DMS: DIMETHYL SULFOXIDE(Non-functional Binders)

DMS.3: 8 residues within 4Å: Chain A: F.306, G.393, T.394, G.395, T.397, L.399, F.402 Ligands: HEM.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.394 pi-Cation interactions: A:F.306 DMS.4: 6 residues within 4Å: Chain A: F.229, F.285, L.357, R.358, H.361 Ligands: HEM.1 2 PLIP interactions: 2 interactions with chain A pi-Cation interactions: A:F.285, A:H.361

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cren, S. et al., SAR and cellular potency optimization of novel heme-binding IDO1 inhibitors. To Be Published

Release Date

2025-05-14

Peptides

Indoleamine 2,3-dioxygenase 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Indoleamine 2,3-dioxygenase 1

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