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

[CSV file]

Density of motif

t-test: p=7.15012e-10

Neutral set average density: 0.0217512

Different set average density: 0.0269819

Presence of motif

           motif_present
gene_set    absent present
  different    239     755
  neutral      650    1303

Fisher's exact test: p=2.14065e-07

Binomial GLM: p=2.67758e-07

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.6884  -1.4833   0.7417   0.8997   0.8997  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)    0.69545    0.04802  14.483  < 2e-16 ***
differentTRUE  0.45480    0.08840   5.145 2.68e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3608.7  on 2946  degrees of freedom
Residual deviance: 3581.4  on 2945  degrees of freedom
AIC: 3585.4

Number of Fisher Scoring iterations: 4