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

[CSV file]

Density of motif

t-test: p=4.6099e-11

Neutral set average density: 0.0231746

Different set average density: 0.0179276

Presence of motif

           motif_present
gene_set    absent present
  different    408     586
  neutral      632    1321

Fisher's exact test: p=3.99683e-06

Binomial GLM: p=3.24016e-06

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.5022  -1.3345   0.8843   0.8843   1.0280  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    0.73725    0.04837  15.243  < 2e-16 ***
differentTRUE -0.37520    0.08060  -4.655 3.24e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3826.5  on 2946  degrees of freedom
Residual deviance: 3805.0  on 2945  degrees of freedom
AIC: 3809

Number of Fisher Scoring iterations: 4