← All peptidesPDA-V1 attestation Citations
verifiedBioGate · GREENGrade B
Vasoactive Intestinal Peptide (VIP)
HSDAVFTDNYTRLRKQMAVKKYLNSILN28-residue VIP/secretin family neuropeptide; activates VPAC1/VPAC2 for smooth muscle relaxation, vasodilation, and immune modulation.
amidated C-terminus28-residue secretin family
MW
3326.78
Length
28aa
Posterior
82.0%
Structural preview · ESMFold-2 mockdeterministic per sequence
Backbone preview · amidated C-terminus
Cryptographic chain of custody.
- Outer PDA hash
- Inputs hash
- Merkle root
- TEE attestation
- Protocol version
- PDA-V1
- Source
- peptide-md
- Model version
- structure-fm-2026.04
- Candidates emitted
- 1
- Signed
- 2026-04-21T08:14:33Z
Verifiable in your browser at /verifier with
@peptide-md/verifier.Real-world evidence
Cohort-attested outcomes.
Cohorts
3
Participants
294
Mean Δ
+6.47
Δ HRV ms (8-week) · 95% CI [5.87, 7.07]
IPNFT - Not minted
This peptide is not currently represented as an IPNFT. Cohort outcomes feed back into the unminted pool.
Source literature.
Grade B2001 · Cardiovasc Res
Vasoactive intestinal peptide: cardiovascular effects
Henning RJ, Sawmiller DR.