5OD6: Smad3-MH1

Crystal structure of Smad3-MH1 bound to the GGCGC site. Determined by X-ray diffraction at 2.0 Å resolution. Released 15 Nov 2017.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Homo sapiens
Chains
4
Atoms
2,859
Mol. weight
40 kDa
Ligands
ZN
Released
15 Nov 2017

Explore 5OD6 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5OD6 contains 19 α-helices and 12 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: 9 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix11-177
α-helix25-4420
α-helix48-5710
β-strand66-6831
α-helix69-702
β-strand75-7732
β-strand80-8232
α-helix84-929
α-helix100-1023
β-strand103-10533
α-helix113-1153
β-strand119-12131
α-helix124-1263
β-strand127-12933
α-helix131-1333
Chain B: 10 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix11-166
α-helix25-4521
α-helix48-5710
α-helix63-642
β-strand66-6834
α-helix69-702
β-strand75-7735
β-strand80-8235
α-helix84-929
α-helix100-1023
β-strand103-10536
α-helix113-1153
β-strand119-12134
α-helix124-1263
β-strand127-12936
α-helix131-1344

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Mothers against decapentaplegic homolog 3A, Bprotein128Homo sapiensP84022 (AlphaFold model)
DNA (5'-d(p*tp*gp*cp*ap*gp*gp*cp*gp*cp*gp*cp*cp*tp*gp*cp*a)-3')C, DDNA16Homo sapiens
Sequence of entity 1 (A, B), FASTA
>5OD6_1 Mothers against decapentaplegic homolog 3 (chains A, B)
GAMIVKRLLGWKKGEQNGQEEKWCEKAVKSLVKKLKKTGQLDELEKAITTQNVNTKCITI
PRSLDGRLQVSHRKGLPHVIYCRLWRWPDLHSHHELRAMELCEFAFNMKKDEVCVNPYHY
QRVETPVL
Sequence of entity 2 (C, D), FASTA
>5OD6_2 DNA (5'-D(P*TP*GP*CP*AP*GP*GP*CP*GP*CP*GP*CP*CP*TP*GP*CP*A)-3') (chains C, D)
TGCAGGCGCGCCTGCA

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

Primary citation

Structural basis for genome wide recognition of 5-bp GC motifs by SMAD transcription factors. Martin-Malpartida, P., Batet, M., Kaczmarska, Z. et al. Nat Commun (2017) 8:2070-2070. DOI 10.1038/s41467-017-02054-6 · PubMed

Other PDB entries of the same protein (UniProt P84022 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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