← All peptidesPDA-V1 attestation Citations
verifiedBioGate · GREENGrade B
Cholecystokinin-8 (CCK-8, sulfated)
DYMGWMDFSulfated octapeptide CCK fragment; activates CCK1 (gallbladder, pancreas, satiety) and CCK2 (gastric acid, anxiety) receptors.
Tyr² sulfatedamidated C-terminus
MW
1143.23
Length
8aa
Posterior
60.9%
Structural preview · ESMFold-2 mockdeterministic per sequence
Backbone preview · Tyr² sulfated
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
- 2
- Signed
- 2026-04-21T08:14:33Z
Verifiable in your browser at /verifier with
@peptide-md/verifier.Real-world evidence
Cohort-attested outcomes.
Cohorts
6
Participants
449
Mean Δ
+5.72
Δ HRV ms (8-week) · 95% CI [4.54, 6.9]
IPNFT · Molecule IPNFT V2Solana
Cholecystokinin-8 (CCK-8, sulfated)
f43345…bdf733Royalty cascade
8.48%
Holders
287
Royalty cascade routes lab fees, licensing, and OEA-attested cohort revenues back to holders, the cohort treasury, and the originating researchers in a 60 / 25 / 15 split.
Source literature.
Grade B1992 · Multiple Cholecystokinin Receptors in the CNS
The development and proof of the cholecystokinin satiety hypothesis
Smith GP, Gibbs J.