7Y3K: SALL4 ZFC4

Structure of SALL4 ZFC4 bound with 16 bp AT-rich dsDNA. Determined by X-ray diffraction at 2.5 Å resolution. Released 26 Oct 2022.

Method
X-ray diffraction
Resolution
2.5 Å
Organisms
Homo sapiens, synthetic construct
Chains
4
Atoms
1,500
Mol. weight
27.47 kDa
Ligands
ZN
Released
26 Oct 2022

Explore 7Y3K in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7Y3K contains 6 α-helices and 6 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, 4 β-strands

ElementResiduesLengthSheet
β-strand870-87121
β-strand878-87921
α-helix882-89312
β-strand898-89922
β-strand906-90722
α-helix910-9178
α-helix918-9203
Chain B: 3 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix882-89211
β-strand898-89923
β-strand906-90723
α-helix910-9167
α-helix917-9193

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sal-like protein 4A, Bprotein79Homo sapiensQ9UJQ4 (AlphaFold model)
DNA (16-mer)GDNA16synthetic construct
DNA (16-mer)HDNA16synthetic construct
Sequence of entity 1 (A, B), FASTA
>7Y3K_1 Sal-like protein 4 (chains A, B)
GHMMTPLLAAQPRRQAKQHGCTRCGKNFSSASALQIHERTHTGEKPFVCNICGRAFTTKG
NLKVHYMTHGANNNSARRG
Sequence of entity 2 (G), FASTA
>7Y3K_2 DNA (16-mer) (chains G)
GGAAATATTATATTCC
Sequence of entity 3 (H), FASTA
>7Y3K_3 DNA (16-mer) (chains H)
GGAATATAATATTTCC

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn4

Primary citation

Structural studies of SALL family protein zinc finger cluster domains in complex with DNA reveal preferential binding to an AATA tetranucleotide motif. Ru, W., Koga, T., Wang, X. et al. J Biol Chem (2022) 298:102607-102607. DOI 10.1016/j.jbc.2022.102607 · PubMed

Other PDB entries of the same protein (UniProt Q9UJQ4 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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