Abstract
The presented results cover issues related to proteins that were “never born in nature”. The paper is focused on identifying genetic information stretches of protein sequences that were not identified to be existing in nature. The aim of the work was finding traces of “never born proteins” (NBP) everywhere in completely sequenced genomes including regions not expected as carrying the genetic information. The results of analyses relate to the search of the genetic material of species from different levels of the evolutionary tree from yeast through plant organisms up to the human genome. The analysis concerns searching the genome sequences. There are presented statistical details such as sequence frequencies, their length, percent identity and similarity of alignments, as well as E value of sequences found. Computations were performed on gLite-based grid environment. The results of the analyses showed that the NBP genetic record in the genomes of the studied organisms is absent at a significant level in terms of identity of contents and length of the sequences found. Most of the found sequences considered to be similar do not exceed 50% of the length of the NBP output sequences, which confirms that the genetic record of proteins is not accidental in terms of composition of gene sequences but also as regards the place of recording in genomes of living organisms.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was financially supported by EUChinaGrid.
Employment or leadership: None declared.
Honorarium: None declared
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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