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PEPDIA-INT-072399

Silver

Flour angiotensin I-converting enzyme inhibitor

Quality

Source DBs

Activities

Source refs

Literature

Patents

Integrated record

Sequence and molecular profile

KAFR

Indexed sequence4 aa

1KAFR

Length

Molecular weight

520.63 Da

Formula

C24H40N8O5

Structure type

Linear

Synthesis

Chirality

Family

Gene

Residue composition

Physicochemical profile

Hydrophobic2

Membrane affinity proxy

Polar0

Solubility proxy

Charged2

Net charge proxy +2

Aromatic1

Binding interaction proxy

Versioned scientific descriptors

Physicochemical properties and standard representations

calculated sequence and structure

Reported properties

Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.

Computed properties

physchem-20260620

Molecular weight

520.625 Da

Molecular formula

C24H40N8O5

Theoretical pI

11.0008

Net charge at pH 7

1.7591

GRAVY

-0.95

Instability index

7.5

Aromaticity

0.25

Topological polar surface area

238.54 Å²

cLogP

-1.4924

Hydrogen-bond donors

Hydrogen-bond acceptors

Rotatable bonds

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

representations-20260620 · RDKit 2024.09.6

ProForma 2.0

validated simple linear

KAFR

HELM 2.0

validated simple linear

PEPTIDE1{K.A.F.R}$$$$V2.0

Canonical SMILES

validated

CC(NC(=O)C(N)CCCCN)C(=O)NC(Cc1ccccc1)C(=O)NC(CCCNC(=N)N)C(=O)O

Isomeric SMILES

validated

C[C@H](NC(=O)[C@@H](N)CCCCN)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CCCNC(=N)N)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-072399,
  title = {Flour angiotensin I-converting enzyme inhibitor},
  author = {{PepDiana Consortium}},
  year = {2026},
  howpublished = {PepDiana Multifunctional Peptide Database},
  url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-072399},
  note = {Accessed from local PepDiana development build}
}

APA-style note

Flour angiotensin I-converting enzyme inhibitor. (2026). PepDiana record PEPDIA-INT-072399. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-072399

This record is saved to local recent-view history so it can reappear on the peptide browser page.

Integrated source-database annotations

Biological activity (5 records)

Stable record	Activity	Subtype	Value	Target	Assay method	Source
CTPDB_P072399_ACT_ahtpdb_0000	Metabolic/Cardiovascular	ACE Inhibitor	Not available in the current structured import	Unknown	Not reported by source	6926ahtpdb / linked
CTPDB_P072399_ACT_plantpepdb_0001	Enzyme Inhibitor	General Enzyme Inhibitor	Not available in the current structured import	Unknown	Not reported by source	PPepDB_3032plantpepdb / linked
CTPDB_P072399_ACT_plantpepdb_0002	Neuroactive/Ion Channel	Neuropeptide	Not available in the current structured import	Unknown	Not reported by source	PPepDB_3032plantpepdb / linked
CTPDB_P072399_ACT_plantpepdb_0003	Metabolic/Cardiovascular	ACE Inhibitor	Not available in the current structured import	Unknown	Not reported by source	PPepDB_3032plantpepdb / linked
CTPDB_P072399_ACT_satpdb_0004	Metabolic/Cardiovascular	Antihypertensive	Not available in the current structured import	Unknown	Not reported by source	satpdb26555satpdb / linked

Provenance

Source database records (3)

ahtpdb

6926

Raw sequence

KAFR

plantpepdb

PPepDB_3032

Raw sequence

KAFR

satpdb

satpdb26555

Raw sequence

KAFR

Citation trail

Literature (1 records)

Purification, activity and sequence of angiotensin I converting enzyme inhibitory peptide from alcalase hydrolysate of peanut flour.

Guang C1, Phillips RD

J Agric Food Chem. 2009 Nov 11;57(21):10102-6.2009PMID 19886677

Audit surface

Raw annotations and release metadata

Integrated record last updated: 2026-04-15T00:59:11.196781+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": "CCCC"
}