ProForma 2.0
validated simple linear
LI
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PEPDIA-INT-021547
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.
3
Source DBs
3
Activities
3
Source refs
2
Literature
0
Patents
Integrated record
Sequence and molecular profile
LI
Indexed sequence2 aa
1LI
Length
2
Molecular weight
244.34 Da
Formula
C12H24N2O3
Structure type
Linear
Synthesis
-
Chirality
-
Family
-
Gene
-
Residue composition
L
1
I
1
Physicochemical profile
Hydrophobic2
Membrane affinity proxy
Polar0
Solubility proxy
Charged0
Net charge proxy +0
Aromatic0
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
244.3305 Da
Molecular formula
C12H24N2O3
Theoretical pI
5.525
Net charge at pH 7
-0.2399
GRAVY
4.15
Instability index
5
Aromaticity
0
Topological polar surface area
92.42 Ų
cLogP
0.9753
Hydrogen-bond donors
3
Hydrogen-bond acceptors
3
Rotatable bonds
7
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{L.I}$$$$V2.0
Canonical SMILES
validated
CCC(C)C(NC(=O)C(N)CC(C)C)C(=O)O
Isomeric SMILES
validated
CC[C@H](C)[C@H](NC(=O)[C@@H](N)CC(C)C)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-021547,
title = {Unnamed peptide},
author = {{PepDiana Consortium}},
year = {2026},
howpublished = {PepDiana Multifunctional Peptide Database},
url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-021547},
note = {Accessed from local PepDiana development build}
}APA-style note
Unnamed peptide. (2026). PepDiana record PEPDIA-INT-021547. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-021547
This record is saved to local recent-view history so it can reappear on the peptide browser page.
Integrated source-database annotations
Biological activity (3 records)
| Stable record | Activity | Subtype | Value | Target | Assay method | Source |
|---|---|---|---|---|---|---|
| CTPDB_P021547_ACT_ahtpdb_0000 | Metabolic/Cardiovascular | ACE Inhibitor | Not available in the current structured import | Unknown | Not reported by source | 5408ahtpdb / linked |
| CTPDB_P021547_ACT_plantpepdb_0001 | Metabolic/Cardiovascular | ACE Inhibitor | Not available in the current structured import | Unknown | Not reported by source | PPepDB_3424plantpepdb / linked |
| CTPDB_P021547_ACT_satpdb_0002 | Metabolic/Cardiovascular | Antihypertensive | Not available in the current structured import | Unknown | Not reported by source | satpdb10874satpdb / linked |
Provenance
Source database records (3)
Citation trail
Literature (2 records)
Quantitative structure-activity relationship study of bitter di- and tri-peptides including relationship with angiotensin I-converting enzyme inhibitory activity.
Wu J1, Aluko RE.
-
-
Audit surface
Raw annotations and release metadata
Integrated record last updated: 2026-04-15T00:59:11.254051+00:00
Modification summary
No structured modification annotations are available for this record.
Source metadata
[
{
"source_db": "ahtpdb",
"organism_name": "Unknown"
},
{
"source_db": "plantpepdb",
"organism_name": "Unknown"
},
{
"source_db": "satpdb",
"organism_name": "Unknown"
}
]Structure metadata
{
"source_db": "satpdb",
"dssp_states": "CC"
}