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List of peptide properties
DFBP ID - DFBPNEUR0002(Neuropeptide peptide)
DFBP ID DFBPNEUR0002
Peptide sequence YLNVVTRPRF
Type Native peptide
Peptide/Function name Neuropeptide, PP (C-terminal)
Function-activity relationship
Main bioactivity Neuropeptide activity
Otheir bioactivity N.D
Calculated physicochemical properties
Three-letter amino acid Tyr-Leu-Asn-Val-Val-Thr-Arg-Pro-Arg-Phe
Single-letter amino acid YLNVVTRPRF
Peptide length 10
Peptide mass
Experimental mass Theoretical mass
N.D 1264.48 Da c
Net charge 0.00 c
Isoelectric point (pI) 11.20 c
IC50 N.D
pIC50 N.D
GRAVY -0.1100 c
Hydrophilic residue ratio 50% c
Peptide calculator
To calculate the physicochemical properties of bioactive peptide.
Peptide source & Food-borne protein(s) search
Classification Animal
Organism/Source Alligator (Alligator mississippiensis)
Precursor protein Insulin and Pancreatic Polypeptide
Residue position N.D
Precursor protein(s) search
No matching precursor protein found
Link-research
There are no literature reports on the discovery of this sequence in other food-source proteins.
Biological/Functional activity & target protein
Neuropeptide activity

Peptide YLNVVTRPRFamide showed neuromodulatory activity (data not shown).

Specific target protein(s) N.D
Taste properties & Structure
Bitterness
Literature report N.D
Bitter prediction tools Bitter taste prediction
SMILES N.D
Preparation method
Mode of preparation Extraction
Enzyme(s)/starter culture

The insulin, glucagon, pancreatic polypeptide, and somatostatin contents of acid-alcohol extracts of alligator pancreas have been estimated by heterologous radioimmunoassay, and the insulin, glucagon, and pancreatic polypeptide have been isolated.

Stability & Cytotoxicity
Peptide stability
Literature report: N.D
EHP-Tool: Enzymatic Hydrolysis Prediction Tool (EHP-Tool)
Peptide cytotoxicity
Literature report: N.D
Prediction: ToxinPred
Additional information
Additional information N.D
Database cross-references
BIOPEP-UWM [D1] -
APD [D2] -
BioPepDB [D3] -
MBPDB [D4] -
Reference(s)
Primary literature Lance V, Hamilton JW, Rouse JB, Kimmel JR, Pollock HG. Isolation and characterization of reptilian insulin, glucagon, and pancreatic polypeptide: complete amino acid sequence of alligator (Alligator mississippiensis) insulin and pancreatic polypeptide. Gen Comp Endocrinol. 1984 Jul;55(1):112-24.
PMID: 6146554
Other literature(s) [1] Gaus G, Doble KE, Price DA, Greenberg MJ, Lee TD, Battelle BA. The Sequences of Five Neuropeptides Isolated from Limulus using Antisera to FMRFamide. Biol Bull. 1993 Jun;184(3):322-329.
PubDate 1984
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