3HQU: PHD2:Fe:UN9:partial HIF1-alpha substrate complex

PHD2:Fe:UN9:partial HIF1-alpha substrate complex. Determined by X-ray diffraction at 2.3 Å resolution. Released 28 Jul 2009.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Homo sapiens
Chains
2
Atoms
1,908
Mol. weight
29.89 kDa
Ligands
FE2, UN9
Released
28 Jul 2009

Explore 3HQU in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3HQU contains 8 α-helices and 17 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: 8 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix190-1934
α-helix194-1985
α-helix199-2057
β-strand207-21041
α-helix216-23116
β-strand240-24232
α-helix247-2493
β-strand251-25222
β-strand255-25951
α-helix267-28216
β-strand292-29541
β-strand298-30361
β-strand308-31363
β-strand322-32981
β-strand33114
α-helix336-3394
β-strand34013
β-strand343-34533
β-strand354-35633
β-strand35914
β-strand362-36761
β-strand374-37963
β-strand383-392101
α-helix393-3986
Chain S: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand57211

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Egl nine homolog 1Aprotein246Homo sapiensQ9GZT9 (AlphaFold model)
Hypoxia-inducible factor 1 alphaSprotein17Homo sapiensQ16665 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3HQU_1 Egl nine homolog 1 (chains A)
PNGQTKPLPALKLALEYIVPCMNKHGICVVDDFLGKETGQQIGDEVRALHDTGKFTDGQL
VSQKSDSSKDIRGDKITWIEGKEPGCETIGLLMSSMDDLIRHCNGKLGSYKINGRTKAMV
ACYPGNGTGYVRHVDNPNGDGRCVTCIYYLNKDWDAKVSGGILRIFPEGKAQFADIEPKF
DRLLFFWSDRRNPHEVQPAYATRYAITVWYFDADERARAKVKYLTGEKGVRVELNKPSDS
VGKDVF
Sequence of entity 2 (S), FASTA
>3HQU_2 Hypoxia-inducible factor 1 alpha (chains S)
DLEMLAPYIPMDDDFQL

Ligands and cofactors

IDNameFormulaCopies
FE2FE (II) ionFe1
UN9N-[(1-chloro-4-hydroxyisoquinolin-3-yl)carbonyl]glycineC12 H9 Cl N2 O41

Primary citation

Structural basis for binding of hypoxia-inducible factor to the oxygen-sensing prolyl hydroxylases. Chowdhury, R., McDonough, M.A., Mecinovic, J. et al. Structure (2009) 17:981-989. DOI 10.1016/j.str.2009.06.002 · PubMed

Other PDB entries of the same protein (UniProt Q9GZT9 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 3HQU 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.