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

[CSV file]

Density of motif

t-test: p=1.52009e-08

Neutral set average density: 0.0355453

Different set average density: 0.0302213

Presence of motif

           motif_present
gene_set    absent present
  different    207     787
  neutral      299    1654

Fisher's exact test: p=0.000238749

Binomial GLM: p=0.000183633

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.9374   0.5765   0.5765   0.6834   0.6834  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    1.71051    0.06284  27.219  < 2e-16 ***
differentTRUE -0.37500    0.10025  -3.741 0.000184 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2702.8  on 2946  degrees of freedom
Residual deviance: 2689.1  on 2945  degrees of freedom
AIC: 2693.1

Number of Fisher Scoring iterations: 4