3CO7: FoxO1 DBD

Crystal Structure of FoxO1 DBD Bound to DBE2 DNA. Determined by X-ray diffraction at 2.91 Å resolution. Released 16 Sept 2008.

Method: X-ray diffraction
Resolution: 2.91 Å
Organism: Homo sapiens
Chains: 6
Atoms: 2,656
Mol. weight: 45.89 kDa
Released: 16 Sept 2008

Explore 3CO7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3CO7 contains 8 α-helices and 10 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 C: 4 helices, 5 β-strands

Element	Residues	Length	Sheet
β-strand	158	1	1
β-strand	161	1	1
α-helix	165-173	9
β-strand	181-182	2	2
α-helix	183-193	11
α-helix	195-197	3
α-helix	208-219	12
β-strand	223-226	4	2
β-strand	236-239	4	2

Chain F: 4 helices, 5 β-strands

Element	Residues	Length	Sheet
β-strand	158	1	3
β-strand	161	1	3
α-helix	165-173	9
β-strand	180-182	3	4
α-helix	183-193	11
α-helix	195-197	3
α-helix	208-219	12
β-strand	223-226	4	4
β-strand	236-239	4	4

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
DNA (5'-d(dtpdcpdtpdtpdgpdtpdtpdtpdapdcpdapdtpdtpdtpdtpdg)-3')	A, D	DNA	16
DNA (5'-d(dcpdapdapdapdapdtpdgpdtpdapdapdapdcpdapdapdgpda)-3')	B, E	DNA	16
Forkhead box protein O1	C, F	protein	117	Homo sapiens	Q12778 (AlphaFold model)

Sequence of entity 1 (A, D), FASTA

>3CO7_1 DNA (5'-D(*DTP*DCP*DTP*DTP*DGP*DTP*DTP*DTP*DAP*DCP*DAP*DTP*DTP*DTP*DTP*DG)-3') (chains A, D)
TCTTGTTTACATTTTG

Sequence of entity 2 (B, E), FASTA

>3CO7_2 DNA (5'-D(*DCP*DAP*DAP*DAP*DAP*DTP*DGP*DTP*DAP*DAP*DAP*DCP*DAP*DAP*DGP*DA)-3') (chains B, E)
CAAAATGTAAACAAGA

Sequence of entity 3 (C, F), FASTA

>3CO7_3 Forkhead box protein O1 (chains C, F)
SKSSSSRRNAWGNLSYADLITKAIESSAEKRLTLSQIYEWMVKSVPYFKDKGDSNSSAGW
KNSIRHNLSLHSKFIRVQNEGTGKSSWWMLNPEGGKSGKSPRRRAASMDNNSKFAKS

Primary citation

Structural Basis for DNA Recognition by FoxO1 and Its Regulation by Posttranslational Modification. Brent, M.M., Anand, R., Marmorstein, R. Structure (2008) 16:1407-1416. DOI 10.1016/j.str.2008.06.013 · PubMed

Other PDB entries of the same protein (UniProt Q12778 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8A62 1.6 Å, Small molecule stabilizer (compound 2) for FOXO1 and 14-3-3
8A65 1.6 Å, Small molecule stabilizer (compound 3) for FOXO1 and 14-3-3
6QZS 1.9 Å, 14-3-3 sigma in complex with FOXO1 pS256 peptide
3CO6 2.1 Å, Crystal Structure of FoxO1 DBD Bound to DBE1 DNA
4LG0 2.19 Å, Structure of a ternary FOXO1-ETS1 DNA complex
3COA 2.2 Å, Crystal Structure of FoxO1 DBD Bound to IRE DNA
6QZR 2.3 Å, 14-3-3 sigma in complex with FOXO1 pT24 peptide
5DUI 2.31 Å, Identification of a new FoxO1 binding site that precludes CREB binding at the…
6LBI 3.07 Å, Crystal Structure of FOXO1-DBD homodimer bound to a palindromic DNA sequence
6QVW Solution structure of the free FOXO1 DNA binding domain

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