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. 2016 Jun 24;33(10):2544–2554. doi: 10.1093/molbev/msw126

Table 2.

Codon-Based Tests of Selection Analyses for Polyubiquitin Genes.

Selection Type Overall Level
Individual Sites (304 codons in total)
Z-Test PARRIS REL SLAC FEL
Purifying selection Yes; P = 0 N/A 304 288 292
Positive selection No; P = 1 No; P = 1 0 0 0
Neutral Not performed N/A 0 16 12

Note.—N/A, not applicable in the listed analyses.