The brain protein calcineurin B in cows is exactly the same as the one in humans — letter for letter in its building blocks — which means it’s likely worked the same way for millions of years and could be studied across species.

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Evidence from Studies

Supporting (1)

6

Community contributions welcome

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Isolation and characterization of a cDNA clone coding for the calcium-binding subunit of calcineurin from bovine brain: an identical amino acid sequence to the human protein.

Cross-Sectional Study

Animal

1994

The study found that the protein building blocks (amino acids) of calcineurin B are exactly the same in cows and humans, which supports the idea that this protein is highly conserved across species.

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Isolation and characterization of a cDNA clone coding for the calcium-binding subunit of calcineurin from bovine brain: an identical amino acid sequence to the human protein.

Score: 6

DOI: 10.3109/10425179409020857

Similar Assertions

Humans and cows have almost identical DNA instructions for making a protein called calcineurin B — their blueprints match 97.1% in that section, which means it's super similar between the two species.

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83%

Scientists figured out the full blueprint of a specific brain protein in cows, and it's made up of 841 genetic 'letters' arranged in three parts: a start section, the main instruction part, and an end section.

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77%