3-mers UUG 50 bases upstrand from poly(A) site

[CSV file]

Density of motif

t-test: p=8.69035e-06

Neutral set average density: 0.0294112

Different set average density: 0.0255533

Presence of motif

           motif_present
gene_set    absent present
  different    263     731
  neutral      427    1526

Fisher's exact test: p=0.00577206

Binomial GLM: p=0.0054134

Call:
glm(formula = motif_present ~ different, family = binomial, data = daf)

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.7437   0.7025   0.7025   0.7025   0.7840  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    1.27362    0.05475  23.264  < 2e-16 ***
differentTRUE -0.25136    0.09037  -2.781  0.00541 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3207.7  on 2946  degrees of freedom
Residual deviance: 3200.0  on 2945  degrees of freedom
AIC: 3204

Number of Fisher Scoring iterations: 4