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Primary-literature peptidehigh evidence

PEPDIA-PLP-003672

PEP2

Aliases: PEP2, pep_Indolicidin

Normalized sequence

ILPWKWPWWPWRR

13 amino acids

Release PepDiana-V1-20260620

9

Activity records

2

Source papers

9

Positive

0

Negative / threshold

Cross-layer links

Related Integrated records

Versioned scientific descriptors

Physicochemical properties and standard representations

not calculated

Reported properties

No separate physicochemical property was reported in the primary-literature identity record. PepDiana release values are shown as computed properties.

Computed properties

physchem-20260620

Molecular weight

Not calculated

Molecular formula

Not calculated

Theoretical pI

Not calculated

Net charge at pH 7

Not calculated

GRAVY

Not calculated

Instability index

Not calculated

Aromaticity

Not calculated

Topological polar surface area

Not calculated

cLogP

Not calculated

Hydrogen-bond donors

Not calculated

Hydrogen-bond acceptors

Not calculated

Rotatable bonds

Not calculated

Method: Not recorded

Tool: Not recorded

Calculated: Not recorded

Sequence representations

representations-20260620

ProForma 2.0

Not calculated for this record

HELM 2.0

Not calculated for this record

Canonical SMILES

Not calculated for this record

Isomeric SMILES

Not calculated for this record

Paper-level observations

Experimental evidence grouped by activity

Antimicrobial 7 records

PMC11279943

6 observations
AntimicrobialAntibacterialPositive observation
Record detail

Section 2.2: 'Only one combination yielded a synergistic effect, which was at 12.5 μM P10 and 3.125 μM indolicidin' against MRSA. Section 2.4: 'the combination of 3.125 μM indolicidin and 12.5 μM P10 yielded a synergistic effect against MRSA'

Measure
MIC
Value
in combination with P10 12.5 μM; 3.125 μM
Target
Staphylococcus aureus
Assay
Not reported by source
Source publication
AntimicrobialAnti-BiofilmPositive observation
Record detail

Section 2.3: 'Quantification of these findings showed a 55% ... drop in viability for indolicidin hydrogels formed with 1× ... soluble MICs'

Measure
cell_viability
Value
relative to AMP-free control hydrogels; 55% drop means 45% viability; 55% drop in viability
Target
Staphylococcus aureus
Assay
Not reported by source
Source publication
AntimicrobialAnti-BiofilmPositive observation
Record detail

Section 2.3: 'Quantification of these findings showed a ... 88% drop in viability for indolicidin hydrogels formed with ... 2× soluble MICs'

Measure
cell_viability
Value
relative to AMP-free control hydrogels; 88% drop means 12% viability; 88% drop in viability
Target
Staphylococcus aureus
Assay
Not reported by source
Source publication
AntimicrobialAnti-BiofilmPositive observation
Record detail

Section 2.4: 'At P10 and indolicidin AMP concentrations above 0.5× synergistic concentrations, hydrogels completely killed the bacteria' and 'This observed effect at 0.5× MIC is reflective of a concentration of only 1.56 μM and 6.25 μM for indolicidin and P10, respectively.'

Measure
cell_viability
Value
relative to AMP-free control hydrogels; qualitative 'completely killed'; completely killed the bacteria
Target
Staphylococcus aureus
Assay
Not reported by source
Source publication

PMC12011183

1 observations
AntimicrobialAntibacterialPositive observation
Record detail

Discussion: 'The other peptide-producing strains from the panel exhibited no prominent antimicrobial effect against the target bacterium.'

Measure
zone_of_inhibition
Value
no prominent antimicrobial effect
Target
Escherichia coli
Assay
Not reported by source
Source publication
Toxicity 2 records

PMC11279943

2 observations
ToxicityCytotoxicPositive observation
Record detail

Section 2.6: 'For every 100 cells counted across each AMP group there was, at most, one cell which displayed a nuclear red stain, resulting in viability at or above 99%' and 'MSCs were seeded onto RGD-functionalized ... AMP hydrogels at the highest concentration, 2× MIC for each AMP'

Measure
cell_viability
Value
≥99%
Target
human bone-marrow-derived mesenchymal stem cells (MSCs)
Assay
Not reported by source
Source publication
ToxicityCytotoxicPositive observation
Record detail

Section 2.6: 'For every 100 cells counted across each AMP group there was, at most, one cell which displayed a nuclear red stain, resulting in viability at or above 99%' and 'MSCs were seeded onto RGD-functionalized ... AMP hydrogels at ... the synergistic concentrations for P10 and indolicidin' at double their synergistic concentrations

Measure
cell_viability
Value
≥99%
Target
human bone-marrow-derived mesenchymal stem cells (MSCs)
Assay
Not reported by source
Source publication

Citation and release provenance

Cite this identity as PepDiana record PEPDIA-PLP-003672, release PepDiana-V1-20260620. Experimental observations retain their paper, mention, and activity-record identifiers.

Record updated: 2026-06-22T07:14:26.229247+00:00