8CK3: HIF2A-ARNT HETERODIMER

STRUCTURE OF HIF2A-ARNT HETERODIMER IN COMPLEX WITH (S)-1-(3,5-Difluoro-phenyl)-5,5-difluoro-3-methanesulfonyl-5,6-dihydro-4H-cyclopenta[c]thiophen-4-ol. Determined by X-ray diffraction at 1.71 Å resolution. Released 19 Jul 2023.

Method
X-ray diffraction
Resolution
1.71 Å
Organism
Homo sapiens
Chains
2
Atoms
1,991
Mol. weight
28.34 kDa
Ligands
UXU
Released
19 Jul 2023

Explore 8CK3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8CK3 contains 10 α-helices and 20 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 12 β-strands

ElementResiduesLengthSheet
β-strand23611
α-helix240-2423
β-strand243-24862
β-strand25313
β-strand254-25742
α-helix260-2656
α-helix269-2724
β-strand27312
β-strand27613
α-helix277-2804
β-strand28112
α-helix283-29917
β-strand301-30332
β-strand307-31042
β-strand316-327122
β-strand334-343102
β-strand34811
Chain B: 5 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand362-36764
β-strand37215
β-strand373-37644
α-helix380-3845
α-helix388-3914
β-strand39515
α-helix396-3994
β-strand40014
α-helix405-41511
β-strand423-43084
β-strand436-446114
α-helix453-4553
β-strand456-46384

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Endothelial PAS domain-containing protein 1Aprotein118Homo sapiensQ99814 (AlphaFold model)
Aryl hydrocarbon receptor nuclear translocatorBprotein122Homo sapiensP27540 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8CK3_1 Endothelial PAS domain-containing protein 1 (chains A)
GEFKGLDSKTFLSEHSMDMKFTYCDDRITELIGYHPEELLGRSAYEFYHALDSENMTKSH
QNLCTKGQVVSGQYRMLAKHGGYVWLETQGTVIYNPRNLQPQCIMCVNYVLSEIEKNG
Sequence of entity 2 (B), FASTA
>8CK3_2 Aryl hydrocarbon receptor nuclear translocator (chains B)
GEFKGLNVCQPTRFISRHNIEGIFTFVDHRCVATVGYQPQELLGKNIVEFCHPEDQQLLR
DSFQQVVKLKGQVLSVMFRFRSKNQEWLWMRTSSFTFQNPYSDEIEYIICTNTNVKNSSQ
EG

Ligands and cofactors

IDNameFormulaCopies
UXU(4~{S})-1-[3,5-bis(fluoranyl)phenyl]-5,5-bis(fluoranyl)-3-methylsulfonyl-4,6-di…C14 H10 F4 O3 S21

Water and common crystallization additives (DMS) are not listed.

Primary citation

Discovery of Cycloalkyl[ c ]thiophenes as Novel Scaffolds for Hypoxia-Inducible Factor-2 alpha Inhibitors. Buchstaller, H.P., Sala-Hojman, A., Leiendecker, M. et al. J Med Chem (2023) 66:8666-8686. DOI 10.1021/acs.jmedchem.3c00332 · PubMed

Other PDB entries of the same protein (UniProt Q99814 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 8CK3 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.