✓ checked
trust me, bro:
here is the receipt.
the claim
HindII was the first restriction endonuclease to be extracted
the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against
Is it true that HindII was the first restriction endonuclease to be extracted?
Yes. Evidence establishes that HindII (originally called endonuclease R) was the first restriction endonuclease to be isolated and characterized.
Verdict: SUPPORTED · 2 sources for, 0 against · Last checked
How claims like this are judged
Judged against reference works: claims of this kind are settled by the historical reference record, not journal abstracts.
Evidence for · 2
States Smith and Wilcox reported the isolation and characterization of the first restriction enzyme (endonuclease R, later HindII).
Get citation
nature.com: (untitled). (n.d.). nature.com. http://nature.com/articles/miledna04.pdf
See more details
More for · 1
Notes that the first restriction endonuclease, HindII, was isolated and characterized.
Get citation
biology.stackexchange.com: Which was the first restriction endonuclease to be isolated?. (n.d.). biology.stackexchange.com. https://biology.stackexchange.com/questions/112586/which-was-the-first-restriction-endonuclease-to-be-isolated
Receipt History
first checked31 Jul 2026
judged → SUPPORTED · 7531 Jul 2026
Anyone with this link can read the claim and its public receipt, including any
personal information in that text. Open permanent receipt.
Check your own claim
Challenge the receipt
Requests are recorded for review. This does not start an automatic check
or guarantee a response time.
Citation formatting by citeproc-js (Frank Bennett) and the Citation Style Language project. Source and licenses.
This receipt is an automated verdict against our published method · not an opinion about any author or publication.
Terms · Privacy · How verdicts work
Terms · Privacy · How verdicts work