Exact(3)
Tyr showed a consistent and flat under-representation across the chronology alignment.
Of amino acids which failed to show significant congruence across the aligned LSU and SSU chronologies (Cys, Glu, Phe, Gly, His, Asn, Pro, Gln, Thr, Trp), several still showed consistent under-representation across the entire chronology alignment (Trp, Phe, Glu).
The strongest congruence is seen for Asp, Ile, Lys, Leu, Met, Arg, Ser, Val, and Tyr, all of which have significant (p<0.05) overall Zw values as well as congruence in at least 14 out of the 16 positions in the chronology alignment (Table 1).
Similar(54)
Applying the optimized alignment of subunit chronologies using this model to individual amino acid usages, several (albeit weaker) trends in congruence and convergence are observed which are in agreement with certain models of genetic code evolution.
Unfortunately, though the classifications are based as much on differences in letter styles as on chronology, the names given each suggest a temporal alignment and one that is, at first glance, confusing.
Counterintuitively, some amino acids which show divergence or convergence in average relative usage across the chronology actually have ZV values indicative of the opposite trend, as error often varies substantially across the alignment (e.g., U1,L Tyr)−U−1,L Tyr) vs. ZV,L Tyr)).
The chronology is slippery.
Chronology overthrows the hypothesis.
Here's the chronology.
Forget chronology.
Chronology is not plot.
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