SMTL ID : 4u72.2 (1 other biounit)

Crystal structure of 4-phenylimidazole bound form of human indoleamine 2,3-dioxygenase (A260G mutant)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

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

HEM.1: 23 residues within 4Å: Chain A: Y.129, F.166, S.170, V.173, F.217, F.229, S.266, A.267, G.268, F.273, R.346, H.349, I.352, V.353, Y.356, I.357, L.387, F.390, L.391, V.394 Ligands: PIM.2, NHE.3, NHE.4 14 PLIP interactions: 14 interactions with chain A, Hydrophobic interactions: A:F.166, A:V.173, A:F.217, A:F.229, A:F.273, A:I.352, A:V.353, A:Y.356, A:Y.356, A:L.387, A:F.390, A:L.391 Salt bridges: A:R.346 Metal complexes: A:H.349

1 x PIM: 4-PHENYL-1H-IMIDAZOLE(Non-covalent)

PIM.2: 12 residues within 4Å: Chain A: Y.129, C.132, V.133, F.166, F.167, S.170, G.265, S.266, A.267, H.349 Ligands: HEM.1, NHE.3 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:V.133, A:F.166, A:F.166, A:F.167 Hydrogen bonds: A:A.267 pi-Stacking: A:Y.129

2 x NHE: 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID(Non-covalent)

NHE.3: 11 residues within 4Å: Chain A: F.166, F.229, L.237, S.238, G.239, G.263, G.264, G.265 Ligands: HEM.1, PIM.2, NHE.4 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:F.166, A:F.229, A:L.237, A:L.237 Hydrogen bonds: A:S.238, A:G.239, A:G.264 Water bridges: A:G.264 NHE.4: 6 residues within 4Å: Chain A: R.234, H.290, L.387, F.390 Ligands: HEM.1, NHE.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.387, A:F.390

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Horitani, M. et al., Conformation and Mobility of Active Site Loop is Critical for Substrate Binding and Inhibition in Human Indoleamine 2,3-Dioxygenase. to be published

Release Date

2015-09-02

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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