Table 1 Dipeptide frequency in olfactory receptor proteins*
From: YY1's DNA-Binding motifs in mammalian olfactory receptor genes
Dipeptide | All proteins | Olfactory (Observed) | Olfactory (Expected) | Frequency | Z-score |
|---|---|---|---|---|---|
PL | 77943 | 3222 | 1894 | 1.70 | 3.72 |
AI | 41587 | 2784 | 1010 | 2.76 | 3.01 |
TI | 35087 | 2444 | 852 | 2.87 | 2.46 |
SI | 48732 | 2110 | 1184 | 1.78 | 1.92 |
PM | 15764 | 1971 | 383 | 5.15 | 1.69 |
LH | 42086 | 1961 | 1022 | 1.92 | 1.68 |
MA | 30513 | 1817 | 741 | 2.45 | 1.44 |
SH | 34455 | 1798 | 837 | 2.15 | 1.41 |
YG | 25865 | 1130 | 628 | 1.80 | 0.33 |
AM | 22983 | 1120 | 558 | 2.01 | 0.31 |
PF | 29419 | 1065 | 715 | 1.49 | 0.23 |
MV | 22565 | 939 | 548 | 1.71 | 0.02 |
SM | 26009 | 926 | 632 | 1.47 | 0.00 |
TM | 17689 | 786 | 430 | 1.83 | -0.23 |
MG | 19991 | 746 | 486 | 1.54 | -0.29 |
PI | 28078 | 689 | 682 | 1.01 | -0.38 |
NH | 14111 | 661 | 343 | 1.93 | -0.43 |
IH | 21733 | 609 | 528 | 1.15 | -0.51 |
SW | 17376 | 478 | 422 | 1.13 | -0.73 |
MD | 18778 | 475 | 456 | 1.04 | -0.73 |
CH | 10586 | 330 | 257 | 1.28 | -0.97 |