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

[CSV file]

Density of motif

t-test: p=0.000514133

Neutral set average density: 0.004936

Different set average density: 0.00641851

Presence of motif

           motif_present
gene_set    absent present
  different    719     275
  neutral     1541     412

Fisher's exact test: p=8.8014e-05

Binomial GLM: p=6.95605e-05

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

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.8048  -0.6884  -0.6884  -0.6884   1.7641  

Coefficients:
              Estimate Std. Error z value Pr(>|z|)    
(Intercept)   -1.31916    0.05546 -23.785  < 2e-16 ***
differentTRUE  0.35807    0.09002   3.978 6.96e-05 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 3200.5  on 2946  degrees of freedom
Residual deviance: 3184.9  on 2945  degrees of freedom
AIC: 3188.9

Number of Fisher Scoring iterations: 4