3HQH: Speckle-type POZ protein

Structures of SPOP-Substrate Complexes: Insights into Molecular Architectures of BTB-Cul3 Ubiquitin Ligases: SPOPMATHx-MacroH2ASBCpep1. Determined by X-ray diffraction at 2.3 Å resolution. Released 20 Oct 2009.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Homo sapiens
Chains
2
Atoms
1,181
Mol. weight
18.1 kDa
Ligands
ZN
Released
20 Oct 2009

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

Secondary structure: helices and β-sheets

3HQH contains 5 α-helices and 11 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, 10 β-strands

ElementResiduesLengthSheet
β-strand29-38101
α-helix45-484
β-strand52-5322
β-strand5712
β-strand66-7272
α-helix78-803
β-strand83-92102
β-strand98-107101
β-strand113-11861
β-strand123-12531
β-strand130-13892
α-helix139-1435
α-helix145-1473
α-helix151-1533
β-strand155-164101
Chain M: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand17212

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Speckle-type POZ proteinAprotein145Homo sapiensO43791 (AlphaFold model)
MacroH2AMprotein15O75367 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3HQH_1 Speckle-type POZ protein (chains A)
GSGGSGKVVKFSYMWTINNFSFCREEMGEVIKSSTFSSGANDKLKWCLRVNPKGLDEESK
DYLSLYLLLVSCPKSEVRAKFKFSILNAKGEETKAMESQRAYRFVQGKDWGFKKFIRRGF
LLDEANGLLPDDKLTLFCEVSVVQD
Sequence of entity 2 (M), FASTA
>3HQH_2 MacroH2A (chains M)
KAASADSTTEGTPAD

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn3

Primary citation

Structures of SPOP-substrate complexes: insights into molecular architectures of BTB-Cul3 ubiquitin ligases. Zhuang, M., Calabrese, M.F., Liu, J. et al. Mol Cell (2009) 36:39-50. DOI 10.1016/j.molcel.2009.09.022 · PubMed

Other PDB entries of the same protein (UniProt O43791 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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