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PEPDIA-INT-025744

Silver

Cyclo(Trp-Phe), Diketopiperazine (WF)

65

Quality

2

Source DBs

63

Activities

3

Source refs

4

Literature

0

Patents

Integrated record

Sequence and molecular profile

WF
Indexed sequence2 aa
1WF

Length

2

Molecular weight

351.41 Da

Formula

C20H21N3O3

Structure type

Linear

Synthesis

Synthetic

Chirality

L

Family

-

Gene

-

Residue composition

W
1
F
1

Physicochemical profile

Hydrophobic2

Membrane affinity proxy

Polar0

Solubility proxy

Charged0

Net charge proxy +0

Aromatic2

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

351.399 Da

Molecular formula

C20H21N3O3

Theoretical pI

5.525

Net charge at pH 7

-0.2399

GRAVY

0.95

Instability index

5

Aromaticity

1

Topological polar surface area

108.21 Ų

cLogP

1.8498

Hydrogen-bond donors

4

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

representations-20260620 · RDKit 2024.09.6

ProForma 2.0

validated simple linear

WF

HELM 2.0

validated simple linear

PEPTIDE1{W.F}$$$$V2.0

Canonical SMILES

validated

NC(Cc1c[nH]c2ccccc12)C(=O)NC(Cc1ccccc1)C(=O)O

Isomeric SMILES

validated

N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](Cc1ccccc1)C(=O)O

Follow-up research

External analysis tools

Research workflow

Citation and local history

BibTeX

@misc{PEPDIA-INT-025744,
  title = {Cyclo(Trp-Phe), Diketopiperazine (WF)},
  author = {{PepDiana Consortium}},
  year = {2026},
  howpublished = {PepDiana Multifunctional Peptide Database},
  url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-025744},
  note = {Accessed from local PepDiana development build}
}

APA-style note

Cyclo(Trp-Phe), Diketopiperazine (WF). (2026). PepDiana record PEPDIA-INT-025744. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-025744

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

Integrated source-database annotations

Biological activity (63 records)

Stable recordActivitySubtypeValueTargetAssay methodSource
CTPDB_P025744_ACT_dbaasp_0000Antimicrobial-1 µg/mlBacillus subtilisNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0001Antimicrobial-1 µg/mlMicrococcus luteusNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0002Antimicrobial-1 µg/mlStaphylococcus aureusNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0003Antimicrobial-80 µg/mlEscherichia coliNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0004Antimicrobial-110 µg/mlPseudomonas aeruginosaNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0005Antimicrobial-150 µg/mlKlebsiella aerogenesNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0006Antimicrobial-90 µg/mlKlebsiella pneumoniaeNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0007Antimicrobial-NACandida albicansNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0008Antimicrobial-15 µg/mlSaccharomyces cerevisiaeNot reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0009Antimicrobial-NAHuman hepatocellular carcinoma HepG2Not reported by sourceDBAASPS_6161_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0010Antimicrobial-4 µg/mlBacillus subtilis MTCC 2756Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0011Antimicrobial-8 µg/mlBacillus subtilis MTCC 2756Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0012Antimicrobial-8 µg/mlStaphylococcus aureus MTCC 902Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0013Antimicrobial-8 µg/mlStaphylococcus aureus MTCC 902Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0014Antimicrobial-8 µg/mlEscherichia coli MTCC 2622Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0015Antimicrobial-16 µg/mlEscherichia coli MTCC 2622Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0016Antimicrobial-16 µg/mlPseudomonas aeruginosa MTCC 2642Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0017Antimicrobial-16 µg/mlPseudomonas aeruginosa MTCC 2642Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0018Antimicrobial-2 µg/mlStaphylococcus epidermidis MTCC 435Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0019Antimicrobial-2 µg/mlStaphylococcus epidermidis MTCC 435Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0020Antimicrobial-2 µg/mlProteus mirabilis MTCC 425Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0021Antimicrobial-2 µg/mlProteus mirabilis MTCC 425Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0022Antimicrobial-0.5 µg/mlVibrio cholerae MTCC 3905Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0023Antimicrobial-1 µg/mlVibrio cholerae MTCC 3905Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0024Antimicrobial-16 µg/mlKlebsiella pneumoniae MTCC 109Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0025Antimicrobial-16 µg/mlKlebsiella pneumoniae MTCC 109Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0026Antimicrobial-16 µg/mlStaphylococcus simulans MTCC 3610Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0027Antimicrobial-32 µg/mlStaphylococcus simulans MTCC 3610Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0028Antimicrobial-1 µg/mlSalmonella enterica subsp. enterica serovar Typhi MTCC 3216Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0029Antimicrobial-1 µg/mlSalmonella enterica subsp. enterica serovar Typhi MTCC 3216Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0030Antimicrobial->50 µg/mlHuman colon adenocarcinoma HCT 116Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0031Antimicrobial-32 µg/mlAspergillus flavus MTCC 183Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0032Antimicrobial-16 µg/mlCandida albicans MTCC 277Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0033Antimicrobial-2 µg/mlFusarium oxysporum MTCC 284Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0034Antimicrobial-2 µg/mlRhizoctonia solani MTCC 4634Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0035Antimicrobial-4 µg/mlPenicillium expansum MTCC 2006Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0036Antimicrobial-8 µg/mlCandida tropicalis MTCC 184Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0037Antimicrobial-8 µg/mlGoffeauzyma gastrica MTCC 1715Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0038Antimicrobial-4 µg/mlTrichophyton rubrum MTCC 296Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0039Antimicrobial->=100Human lung carcinoma A549Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0040Antimicrobial->100 µMHuman ovarian adenocarcinoma A2780Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0041Antimicrobial->100 µMHuman ovarian adenocarcinoma A2780CisRNot reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0042Antimicrobial-100 µMHuman cervical carcinoma HeLaNot reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0043Antimicrobial->200 µMHuman hepatocellular carcinoma HepG2Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0044Antimicrobial-100 µMHuman breast adenocarcinoma MCF-7Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0045Antimicrobial-4 µg/mlBacillus subtilis ATCC 23857Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0046Antimicrobial-8 µg/mlStaphylococcus aureus ATCC 12600Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0047Antimicrobial-2 µg/mlStaphylococcus epidermidis ATCC 51625Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0048Antimicrobial-16 µg/mlStaphylococcus simulans ATCC 27848Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0049Antimicrobial-8 µg/mlEscherichia coli ATCC 35218Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0050Antimicrobial-16 µg/mlKlebsiella pneumoniae ATCC 43816Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0051Antimicrobial-16 µg/mlProteus mirabilis ATCC 21100Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0052Antimicrobial-16 µg/mlPseudomonas aeruginosa ATCC 10145Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0053Antimicrobial-32 µg/mlAspergillus flavus ATCC 204304Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0054Antimicrobial-16 µg/mlCandida albicans ATCC 10231Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0055Antimicrobial-8 µg/mlGoffeauzyma gastrica ATCC 32042Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0056Antimicrobial-4 µg/mlTrichophyton rubrum ATCC 28191Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0057Antimicrobial-2 µg/mlFusarium oxysporum ATCC 14838Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0058Antimicrobial-2 µg/mlRhizoctonia solani ATCC 10182Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0059Antimicrobial-4 µg/mlPenicillium expansum ATCC 16104Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dbaasp_0060Antimicrobial-8 µg/mlAlternaria brassicae ATCC 66981Not reported by sourceDBAASPS_7135_chain0dbaasp / linked
CTPDB_P025744_ACT_dramp_0061Antimicrobial-Not available in the current structured importUnknownNot reported by sourceDRAMP34358dramp / linked
CTPDB_P025744_ACT_dramp_0062Anticancer-Not available in the current structured importUnknownNot reported by sourceDRAMP34358dramp / linked

Sequence-linked cross-layer evidence

Linked primary-literature evidence

1

Records

1

Papers

1

Positive

0

Negative

1

Primary identities

These observations were collected directly from primary literature and linked by identical normalized sequence. They remain a separate evidence layer and do not overwrite Integrated source-database annotations.

Provenance

Source database records (3)

dbaasp

DBAASPS_6161_chain0

Raw sequence

WF

dbaasp

DBAASPS_7135_chain0

Raw sequence

WF

dramp

DRAMP34358

Raw sequence

WF

Citation trail

Literature (4 records)

Antimicrobial activity, biocompatibility and hydrogelation ability of dipeptide-based amphiphiles.

Mitra RN, Shome A, Paul P, Das PK

Org Biomol Chem2009PMID 19081951

Purification, structural elucidation and bioactivity of tryptophan containing diketopiperazines, from Comamonas testosteroni associated with a rhabditid entomopathogenic nematode against major human-pathogenic bacteria.

Kumar SN, Mohandas C, Nambisan B

Peptides2014PMID 24120705

Purification, structural elucidation and bioactivity of tryptophan containing diketopiperazines, from Comamonas testosteroni associated with a rhabditid entomopathogenic nematode against major human-pathogenic bacteria.

Kumar SN, Mohandas C, Nambisan B

Peptides2014PMID 22617493

Purification, structural elucidation and bioactivity of tryptophan containing diketopiperazines, from Comamonas testosteroni associated with a rhabditid entomopathogenic nematode against major human-pathogenic bacteria.

Kumar SN, Mohandas C, Nambisan B

Peptides2014PMID 32806659

Audit surface

Raw annotations and release metadata

Integrated record last updated: 2026-04-15T00:59:17.814455+00:00

Modification summary

No structured modification annotations are available for this record.

ADMET
{
  "toxicity": [
    {
      "source_db": "dbaasp",
      "assay_method": "-",
      "toxicity_type": "Cytotoxic",
      "target_cellline": "Vero cells"
    },
    {
      "source_db": "dbaasp",
      "assay_method": "-",
      "toxicity_type": "Cytotoxic",
      "target_cellline": "Human fibroblasts"
    }
  ]
}
Source metadata
[
  {
    "source_db": "dbaasp",
    "organism_name": "Unknown"
  },
  {
    "source_db": "dramp",
    "organism_name": "Unknown"
  }
]