Amino acid sequences and domain organization of ASPP and p53
proteins. A, domain organization of ASPP2, ASPP1, and iASPP.
Individual domains are as follows: ubiquitin-like (ULD),
glutamine-rich (Gln), proline-rich (Pro), ankyrin repeats
(ANK), and Src homology 3 (SH3). B, sequence
alignment of the C-terminal regions of ASPP2, ASPP1, and iASPP. Identical
residues are highlighted in cyan. The domain boundaries are indicated
at the top of the protein sequences. C, domain organization
of p53. Individual domains are the transcription activation (TAD),
the proline-rich (Pro), the DNA binding or core (CD), the
linker (L), the oligomerization or tetramerization (OD), and
the basic (BD) domains. All p53 protein constructs used in the
present study are listed: p53-PCD (residues 56-289), p53-PCD2F (residues
56-289 with W91F and W146F), p53-PCD2F-L (residues 56-322 with W91F and
W146F), p53-PCD2F-L-OD (residues 56-362 with W91F and W146F),
p53-PCD2F-L-OD-BD (residues 56-393 with W91F and W146F),
p53-PCD2F-L-OD(L344R)-BD (residues 56-393 with W91F, W146F, and L344R),
p53-PCD2F-L-OD(L344P)-BD (residues 56-393 with W91F, W146F, and L344P), p53-L
(residues 289-322), and p53-L-OD-BD (residues 289-393).