Blood-pressure-lowering peptide (LKKYKVPQ)
A small peptide that blocks ACE, the enzyme that raises blood pressure, helping to keep blood pressure in check; used only as a lab research tool.
A researcher, an agent, or an algorithm wrote down the sequence and picked a target to hit.
An AI model like OpenFold3 or AlphaFold built a 3D structure and scored how well it fits the binding site.
A second contributor repeated the computation on their own hardware and the scores matched.
Literature-extracted sequence peptide — synthesized for bioassay as documented in linked reference(s)
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Activity measured in linked reference(s) — IC50/MIC/cytotoxicity data
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Research directions for this peptide, selected from the current sources — hypotheses you can explore and model. None of it is proven yet; tap any one to see the full thinking.
Could changing a single piece of this peptide make it dramatically more effective against high blood pressure?
If this holds, researchers could upgrade a natural milk-derived compound into a much more potent blood pressure lowering agent with minimal changes, keeping it food-safe and potentially cheaper to produce. This would matter for people seeking dietary supplements or functional foods as alternatives to prescription drugs.
Could one peptide from milk do two useful jobs: lower blood pressure and kill bad bacteria?
If both effects are real, people with high blood pressure linked to poor gut health, a common pairing in metabolic syndrome, might benefit from a single food-derived compound that addresses both problems. It could inform the design of functional foods or supplements that do more than one thing without added complexity.
Does this peptide survive digestion, or does the gut break it down into something that still works?
If digestion releases a smaller, stable fragment that still lowers blood pressure, it would suggest the body is doing the work of activating the compound automatically. That could mean a simpler, cheaper ingredient (a tiny tripeptide rather than the full octapeptide) would be enough, making oral supplements more practical and cost-effective.
Does this peptide work on blood pressure the same way as the already-studied ones from fermented milk?
If the binding mechanism matches what is already known from validated peptides, it would confirm this compound belongs to a trusted class of natural blood pressure agents and give developers a clear roadmap for refining it. For consumers, it would add confidence that the effect is real and the science is solid.
Could a long-term blood pressure supplement from milk avoid the reproductive side effects that concern some researchers?
Some compounds that block the same blood pressure enzyme have been linked to reduced male fertility in animal studies. If this peptide turns out to be selective enough to avoid that pathway, it would be a safer option for men taking it regularly as a dietary supplement, removing a key safety concern from the development path.
Does this peptide latch onto its blood pressure target in two places at once, making it more effective than a shorter version would be?
If a specific pair of amino acids in the middle of the peptide acts as a second anchor to the enzyme, it would explain why the full-length version might outperform shorter fragments. For developers, it would give a clear design rule for building more effective blood pressure peptides from food proteins.
▸full evidence table2 metrics
| metric | value | tool |
|---|---|---|
| ipTM | 0.7433778047561646 | boltz-2 |
| ranking score | 0.8714852333068848 | boltz-2 |
▸structural qualityopenfold3
| metric | value | note |
|---|---|---|
| gpde | 0.999 | global PDE — lower = better |
| disorder | NaN | fraction disordered |
▸3-letter notation
▸recipeboltz-2 1.0
| parameter | value |
|---|---|
| model | boltz-2 1.0 |
| weights | — |
| hardware | nvidia_nim_api |
| mlx version | — |
| python | — |
| random seed | — |
| msa strategy | none |
| diffusion samples | 1 |
| runtime | — |
| predicted by | mlx@peptide |
| predicted at | 2026-04-24 |
▸citationbibtex
@peptide{pep04705,
sequence = {LKKYKVPQ},
target = {ace},
author = {peptidemodel},
year = {2026},
status = {bioassayed}
}