Table 1 The frequency of amino acid groups of β-signal motif sequences from 70 MBOMP homologs.
From: Eukaryote-wide sequence analysis of mitochondrial β-barrel outer membrane proteins
Motif position | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Background | Po | X | G | hy | X | Hy | X | Hy | |
Large hydrophobic (L, I, V, F, M, W, Y) | 0.32 | 0.03 | 0.96 | 0.00 | 0.89 | 0.00 | 1.00 | 0.16 | 1.00 |
Small hydrophobic (A, C) | 0.08 | 0.07 | 0.04 | 0.00 | 0.10 | 0.11 | 0.00 | 0.11 | 0.00 |
Glycine | 0.07 | 0.16 | 0.00 | 1.00 | 0.00 | 0.24 | 0.00 | 0.00 | 0.00 |
Non-negatively charged polar (K, R, H, S, T, N, Q) | 0.39 | 0.74 | 0.00 | 0.00 | 0.01 | 0.50 | 0.00 | 0.61 | 0.00 |
Negatively charged (D, E) | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.11 | 0.00 |
Proline | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |