6LQE: Arabidopsis ARID5 PHD finger

Crystal structure of Arabidopsis ARID5 PHD finger in complex with H3K4me3 peptide. Determined by X-ray diffraction at 1.9 Å resolution. Released 3 Jun 2020.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
Arabidopsis thaliana
Chains
2
Atoms
485
Mol. weight
9.92 kDa
Ligands
ZN
Released
3 Jun 2020

Explore 6LQE in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6LQE contains 4 α-helices and 3 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: 4 helices, 2 β-strands

ElementResiduesLengthSheet
β-strand686-69051
β-strand697-69931
α-helix700-7023
α-helix712-7154
α-helix719-7224
α-helix725-7284
Chain P: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand3-641

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
AT-rich interactive domain-containing protein 4Aprotein76Arabidopsis thalianaQ6NQ79 (AlphaFold model)
15-mer peptide from Histone H3.2Pprotein15Arabidopsis thalianaP59226 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6LQE_1 AT-rich interactive domain-containing protein 4 (chains A)
SDGECCLICRSSTAGDWVNCGSCGEWAHFGCDRRPGLGAFKDYAKTDGLEYVCPNCSVSN
YRKKSQKTSNGGLLVP
Sequence of entity 2 (P), FASTA
>6LQE_2 15-mer peptide from Histone H3.2 (chains P)
ARTKQTARKSTGGKA

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

Primary citation

Dual Recognition of H3K4me3 and DNA by the ISWI Component ARID5 Regulates the Floral Transition in Arabidopsis. Tan, L.M., Liu, R., Gu, B.W. et al. Plant Cell (2020) 32:2178-2195. DOI 10.1105/tpc.19.00944 · PubMed

Other PDB entries of the same protein (UniProt Q6NQ79 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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