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

[CSV file]

Density of motif

t-test: p=0.000102749

Neutral set average density: 0.00261137

Different set average density: 0.00386318

Presence of motif

           motif_present
gene_set    absent present
  different    818     176
  neutral     1714     239

Fisher's exact test: p=6.85704e-05

Binomial GLM: p=5.94961e-05

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.6243  -0.6243  -0.5110  -0.5110   2.0497  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.97012    0.06905 -28.533  < 2e-16 ***
differentTRUE  0.43374    0.10804   4.015 5.95e-05 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 2395.6  on 2946  degrees of freedom
Residual deviance: 2379.8  on 2945  degrees of freedom
AIC: 2383.8

Number of Fisher Scoring iterations: 4