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Colocalization Plot


Tissues selected but not drawn are due to unavailable eQTL data, likely due to little or no expression in that tissue

Heatmap of Simple Sum Colocalization P-values for GTEx Tissues Selected

Gray cells (with negative -log10 Simple Sum p-values) correspond to gene-tissue pairs with no Simple Sum (SS) P-value.
The exact reason for the absence of a SS P-value can be gleaned in the table below

Please note that we leave up to the user to determine the threshold of significance among the datasets that passed the first-stage significance test. For example, if a user selected 3 tissues and 4 genes for testing, and 3 other secondary datasets (a total of 3 × 4 + 3 = 15 tests) and among these, 6 datasets were tested for colocalization, then one would conservatively choose to consider a Bonferroni-corrected p-value threshold of 0.05 / 6 = 8.3 × 10-3. Thus, Simple Sum colocalization tests above this threshold would be considered as significant.


Simple Sum -log10 P-values Table for GTEx Genes/Tissues Selected

-1 values correspond to gene-tissue pairs with no eQTL data (likely due to little or no expression)

-2 values correspond to gene-tissue pairs that did not pass the Bonferroni-corrected first stage testing for signficance among the secondary datasets chosen

-3 values correspond to gene-tissue pairs where the Simple Sum P-value computation failed, likely due to insufficient SNPs

Please note that we leave up to the user to determine the threshold of significance among the datasets that passed the first-stage significance test. For example, if a user selected 3 tissues and 4 genes for testing, and 3 other secondary datasets (a total of 3 × 4 + 3 = 15 tests) and among these, 6 datasets were tested for colocalization, then one would conservatively choose to consider a Bonferroni-corrected p-value threshold of 0.05 / 6 = 8.3 × 10-3. Thus, Simple Sum colocalization tests above this threshold would be considered as significant.

Number of SNPs Used for Simple Sum Calculation for GTEx Genes/Tissues Selected



Simple Sum -log10 P-values Table for Secondary Datasets Uploaded

-1 values correspond to gene-tissue pairs with no eQTL data (likely due to little or no expression)

-2 values correspond to gene-tissue pairs that did not pass the Bonferroni-corrected first stage testing for signficance among the secondary datasets chosen

-3 values correspond to gene-tissue pairs where the Simple Sum P-value computation failed, likely due to insufficient SNPs

Please note that we leave up to the user to determine the threshold of significance among the datasets that passed the first-stage significance test. For example, if a user selected 3 tissues and 4 genes for testing, and 3 other secondary datasets (a total of 3 × 4 + 3 = 15 tests) and among these, 6 datasets were tested for colocalization, then one would conservatively choose to consider a Bonferroni-corrected p-value threshold of 0.05 / 6 = 8.3 × 10-3. Thus, Simple Sum colocalization tests above this threshold would be considered as significant.


Simple Sum Guidance Summary


COLOC2 Posterior Probability Results Table