ProForma 2.0
validated simple linear
WQ
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PEPDIA-INT-009620
SilverPepDiana tier derived from the internal quality score plus activity and literature coverage; it is not an external database rating.Unnamed peptide
65
Quality PepDiana 0–100 composite of sequence, source, activity, literature, and cross-database evidence completeness.
2
Source DBs
4
Activities
4
Source refs
3
Literature
0
Patents
Integrated record
Sequence and molecular profile
WQ
Indexed sequence2 aa
1WQ
Length
2
Molecular weight
332.36 Da
Formula
C16H20N4O4
Structure type
Linear
Synthesis
-
Chirality
-
Family
-
Gene
-
Residue composition
W
1
Q
1
Physicochemical profile
Hydrophobic1
Membrane affinity proxy
Polar1
Solubility proxy
Charged0
Net charge proxy +0
Aromatic1
Binding interaction proxy
Versioned scientific descriptors
Physicochemical properties and standard representations
Reported properties
Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.
Computed properties
physchem-20260620Molecular weight
332.3544 Da
Molecular formula
C16H20N4O4
Theoretical pI
5.525
Net charge at pH 7
-0.2399
GRAVY
-2.2
Instability index
5
Aromaticity
0.5
Topological polar surface area
151.3 Ų
cLogP
-0.1274
Hydrogen-bond donors
5
Hydrogen-bond acceptors
4
Rotatable bonds
8
Method: PepDiana sequence/structure descriptor pipeline
Tool: Biopython+RDKit · Biopython 1.85; RDKit 2024.09.6
Calculated: 2026-06-20T11:01:38.358971+00:00
Assumptions: ph=7; termini=free N-terminus and free C-terminus for simple linear peptides; stereochemistry=standard L-amino acids; smiles_length_limit=200
Sequence representations
HELM 2.0
validated simple linear
PEPTIDE1{W.Q}$$$$V2.0
Canonical SMILES
validated
NC(=O)CCC(NC(=O)C(N)Cc1c[nH]c2ccccc12)C(=O)O
Isomeric SMILES
validated
NC(=O)CC[C@H](NC(=O)[C@@H](N)Cc1c[nH]c2ccccc12)C(=O)O
Follow-up research
External analysis tools
Run BLASTPSearch similar protein or peptide sequences at NCBI.Search UniProtLook for related UniProtKB entries using the sequence.Search PubMedFind literature context for this peptide record.Search PubChemOpen chemistry search with the canonical SMILES string.
Links open third-party resources with the current PepDiana sequence, record name, or chemistry notation as the initial query.
Research workflow
Citation and local history
BibTeX
@misc{PEPDIA-INT-009620,
title = {Unnamed peptide},
author = {{PepDiana Consortium}},
year = {2026},
howpublished = {PepDiana Multifunctional Peptide Database},
url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-009620},
note = {Accessed from local PepDiana development build}
}APA-style note
Unnamed peptide. (2026). PepDiana record PEPDIA-INT-009620. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-009620
This record is saved to local recent-view history so it can reappear on the peptide browser page.
Integrated source-database annotations
Biological activity (4 records)
| Stable record | Activity | Subtype | Value | Target | Assay method | Source |
|---|---|---|---|---|---|---|
| CTPDB_P009620_ACT_ahtpdb_0002 | Metabolic/Cardiovascular | ACE Inhibitor | Not available in the current structured import | Unknown | Wu J et al., 2002 | 1337ahtpdb / linked |
| CTPDB_P009620_ACT_ahtpdb_0000 | Metabolic/Cardiovascular | ACE Inhibitor | Not available in the current structured import | Unknown | Wu J et al., 2002 | 4151ahtpdb / linked |
| CTPDB_P009620_ACT_ahtpdb_0001 | Metabolic/Cardiovascular | ACE Inhibitor | Not available in the current structured import | Unknown | Not reported by source | 4948ahtpdb / linked |
| CTPDB_P009620_ACT_satpdb_0003 | Metabolic/Cardiovascular | Antihypertensive | Not available in the current structured import | Unknown | Not reported by source | satpdb18242satpdb / linked |
Provenance
Source database records (4)
Citation trail
Literature (3 records)
Antihypertensive peptides from food proteins: a review.
Martínez-Maqueda D1, Miralles B, Recio I, Hernández-Ledesma B.
Is the structural diversity of tripeptides sufficient for developing functional food additives with satisfactory multiple bioactivities?
Jian-Hui Wang et al.,
Journal of Molecular Structure 1040 (2013) 164-1702013
Whey Proteins as Source of Bioactive Peptides Against Hypertension
Ta?nia G. Tavares and F. Xavier Malcata
Bioactive Food Peptides in Health and Disease Edited by Blanca Hernandez-Ledesma and Chia-Chien Hsieh, ISBN 978-953-51-0964-8, 276 pages2013
Audit surface
Raw annotations and release metadata
Integrated record last updated: 2026-04-15T00:59:10.991164+00:00
Modification summary
No structured modification annotations are available for this record.
Source metadata
[
{
"source_db": "ahtpdb",
"organism_name": "Unknown"
},
{
"source_db": "satpdb",
"organism_name": "Unknown"
}
]Structure metadata
{
"source_db": "satpdb",
"dssp_states": "CC"
}