ArticleJournal of molecular evolution1996
The primary structure of a chondrichthyan protamine: a new apparent contradiction in protamine evolution.
Article in Journal of molecular evolution, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 11 citations in OpenAlex.
- Purification and characterization of a prolyl aminopeptidase from Debaryomyces hansenii.Applied and environmental microbiology · 2003Article
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Authors and funding
6 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have determined the primary structure of protamine R3 from ratfish (Hydrolagus colliei), a species belonging to the order Chimaeriformes (an old phylogenetic line among the chondrichthyes). Protamine R3 contains 48 residues organized as follows: ARRRH SMKKK RKSVR RRKTR KNQRK RKNSL GRSFK (Q/A)HGFL KQPPR FRP. Comparison of this sequence with both protamine Z3 from Scyliorhinus canicula (a chondrichthyan) and typical protamines from bony fish generates an apparent contradiction: Two relatively close species (H. colliei and S. canicula, both chondichthyes) display different protamines, whereas species more distant in evolution (S. canicula and bony fish) contain very similar protamine molecules. We note that this is not an isolated case in the evolution of sperm nuclear basic proteins (SNBPs) and discuss the possible significance of this fact.
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