9C0O: DmCfp1 PHD finger

Crystal structure of DmCfp1 PHD finger bound to H3K4me3. Determined by X-ray diffraction at 1.53 Å resolution. Released 3 Jul 2024.

Method
X-ray diffraction
Resolution
1.53 Å
Organisms
Drosophila melanogaster, Homo sapiens
Chains
2
Atoms
711
Mol. weight
9.94 kDa
Ligands
ZN
Released
3 Jul 2024

Explore 9C0O in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9C0O contains 3 α-helices and 8 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: 3 helices, 7 β-strands

ElementResiduesLengthSheet
α-helix61-633
β-strand64-6521
β-strand74-7631
β-strand7712
β-strand83-8531
α-helix93-964
β-strand99-10133
β-strand10212
α-helix105-1106
β-strand117-11823
Chain D: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand3-421

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
CXXC-type zinc finger protein 1Aprotein66Drosophila melanogasterQ9W352 (AlphaFold model)
Histone H3.3CDprotein15Homo sapiensQ6NXT2 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9C0O_1 CXXC-type zinc finger protein 1 (chains A)
GGKQEDQAYCICRSSDCSRFMIGCDGCEEWYHGDCIGITEKEAKHIKQYYCRRCKKENPE
LQTIFR
Sequence of entity 2 (D), FASTA
>9C0O_2 Histone H3.3C (chains D)
ARTKQTARKSTGGKY

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn3

Water and common crystallization additives (SO4, DMS) are not listed.

Primary citation

Structural insights into an atypical histone binding mechanism by a PHD finger. Gregoire, S., Gregoire, J., Yang, Y. et al. Structure (2024) 32:1498. DOI 10.1016/j.str.2024.06.017 · PubMed

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