SMTL ID : 6ubp.1 (1 other biounit)

Crystal structure of a photochemical intermediate of human indoleamine 2,3-dioxygenase 1 in complex with carbon monoxide and tryptophan

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.95 Å

Oligo State

monomer

Ligands

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

HEM.1: 21 residues within 4Å: Chain A: S.157, V.160, F.204, I.207, F.216, S.253, A.254, G.255, F.260, F.281, L.282, R.333, H.336, I.339, V.340, Y.343, I.344, L.374, F.377, V.381 Ligands: TRP.2 22 PLIP interactions: 20 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:V.160, A:F.204, A:F.204, A:I.207, A:F.216, A:F.216, A:A.254, A:F.260, A:F.281, A:I.339, A:V.340, A:Y.343, A:Y.343, A:I.344, A:F.377, A:F.377, W.2 Hydrogen bonds: A:S.253, W.2 Salt bridges: A:R.333 pi-Stacking: A:H.336 Metal complexes: A:H.336

1 x TRP: TRYPTOPHAN(Non-covalent)

TRP.2: 8 residues within 4Å: Chain A: F.216, L.224, S.225, G.226, G.251, S.253 Ligands: HEM.1, CMO.3 7 PLIP interactions: 5 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:F.216, A:L.224, A:L.224 Hydrogen bonds: A:G.226, A:G.251 Water bridges: W.2, W.2

1 x CMO: CARBON MONOXIDE(Non-functional Binders)

CMO.3: 2 residues within 4Å: Chain A: R.221 Ligands: TRP.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.221

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pham, K.N. et al., Conformational Plasticity in Human Heme-Based Dioxygenases. J.Am.Chem.Soc. (2021)

Release Date

2021-02-03

Peptides

Indoleamine 2,3-dioxygenase 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Indoleamine 2,3-dioxygenase 1

Related Entries With Identical Sequence