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Primary-literature peptidemedium evidence

PEPDIA-PLP-000024

TXM-CB3

Aliases: TXM-CB3

Normalized sequence

ACCPCNH

7 amino acids

Release PepDiana-V1-20260620

30

Activity records

1

Source papers

21

Positive

9

Negative / threshold

Versioned scientific descriptors

Physicochemical properties and standard representations

calculated sequence and structure

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

746.879 Da

Molecular formula

C27H42N10O9S3

Theoretical pI

6.7547

Net charge at pH 7

-0.1467

GRAVY

0.1429

Instability index

88.0857

Aromaticity

0

Topological polar surface area

300.9 Ų

cLogP

-4.5362

Hydrogen-bond donors

12

Hydrogen-bond acceptors

13

Rotatable bonds

19

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

ProForma 2.0

validated simple linear

ACCPCNH

HELM 2.0

validated simple linear

PEPTIDE1{A.C.C.P.C.N.H}$$$$V2.0

Canonical SMILES

validated

CC(N)C(=O)NC(CS)C(=O)NC(CS)C(=O)N1CCCC1C(=O)NC(CS)C(=O)NC(CC(N)=O)C(=O)NC(Cc1c[nH]cn1)C(=O)O

Isomeric SMILES

validated

C[C@H](N)C(=O)N[C@@H](CS)C(=O)N[C@@H](CS)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CS)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)O

Paper-level observations

Experimental evidence grouped by activity

Other 23 records

PMC12830260

23 observations
OtherPositive observation
Record detail

Fig. 2C: CB3-treated animals showed a robust and sustained reduction in seizure frequency throughout the monitoring period.

Measure
other
Value
robust and sustained reduction in seizure frequency throughout the monitoring period
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

Fig. 2D: total seizure burden ... was significantly lower in CB3-treated animals than in the vehicle group (p < 0.01).

Measure
other
Value
significantly lower in CB3-treated animals
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherGeneral ToxicPositive observation
Record detail

Fig. 2G-H: CB3-treated animals maintained a significantly higher probability of remaining seizure-free across the 84-day period (p < 0.001).

Measure
survival_rate
Value
significantly higher probability of remaining seizure-free across 84-day period
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

Fig. 3B: CB3 treatment improved locomotor activity, as evident by a significantly greater total distance traveled (p < 0.01).

Measure
other
Value
significantly greater total distance traveled cm
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

higher average movement speed (10.74 ± 1.10 cm/s vs 4.73 ± 0.76 cm/s, CB3 vs vehicle; p < 0.01).

Measure
other
Value
10.74 ± 1.10 cm/s (CB3) vs 4.73 ± 0.76 cm/s (vehicle)
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

CB3-treated animals entered the central area more frequently (16.67 ± 1.26 vs 5.83 ± 1.37, CB3 vs vehicle; p < 0.01).

Measure
other
Value
16.67 ± 1.26 (CB3) vs 5.83 ± 1.37 (vehicle) entries
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherNegative / threshold
Record detail

Fig. 4B: higher neuronal density in the CB3-treated animals compared to vehicle group (p > 0.01).

Measure
other
Value
higher neuronal density in CB3-treated animals % of vehicle
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherNegative / threshold
Record detail

Fig. 4C: higher neuronal density in the CB3-treated animals compared to vehicle group (p > 0.01).

Measure
other
Value
higher neuronal density in CB3-treated animals % of vehicle
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

Fig. 5B-D: By week 6, seizure frequency in CB3-treated animals was reduced by more than 60% compared to control group (p < 0.001).

Measure
other
Value
reduced by more than 60% compared to control group by week 6 % reduction
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherPositive observation
Record detail

Fig. 5D-E: cumulative seizure burden further confirmed that CB3-treated animals experienced fewer seizures than control animals across the study period.

Measure
other
Value
fewer seizures than control animals across the study period
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherNegative / threshold
Record detail

Fig. 6B: CB treatment in chronic phase did not improve locomotor activity, including total travel distance compared with the control group.

Measure
other
Value
did not improve locomotor activity cm
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
OtherNegative / threshold
Record detail

Fig. 6C: CB3 treatment influenced anxiety-like behavior, as evidenced by the increased time spent in the center zone compared to control animals (p > 0.05).

Measure
other
Value
increased time spent in the center zone
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
Immunomodulatory 4 records

PMC12830260

4 observations
ImmunomodulatoryAnti-inflammatoryPositive observation
Record detail

Fig. 1C: CB3 pretreatment (100 μM, 2 h) significantly inhibits proinflammatory cytokines IL-6 expression.

Measure
fold_change
Value
significantly inhibited IL-6 expression relative mRNA level
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
ImmunomodulatoryAnti-inflammatoryPositive observation
Record detail

Fig. 1D: CB3 pretreatment (100 μM, 2 h) significantly inhibits proinflammatory cytokines IL-1β expression.

Measure
fold_change
Value
significantly inhibited IL-1β expression relative mRNA level
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
ImmunomodulatoryAnti-inflammatoryPositive observation
Record detail

Fig. 1E: CB3 pretreatment (100 μM, 2 h) significantly inhibits proinflammatory cytokines TNF-α expression.

Measure
fold_change
Value
significantly inhibited TNF-α expression relative mRNA level
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
ImmunomodulatoryAnti-inflammatoryPositive observation
Record detail

Fig. 1F: CB3 pretreatment (100 μM, 2 h) ... concomitantly enhanced anti-inflammatory cytokine IL-10 expression.

Measure
fold_change
Value
significantly enhanced IL-10 expression relative mRNA level
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
Antioxidant 3 records

PMC12830260

3 observations
AntioxidantAntibacterialPositive observation
Record detail

Fig. 1B: CB3 (50 μM or 100 μM, 2 h) significantly attenuated this fluorescence response in a concentration-dependent manner, reducing signal to ~250% and ~180% of baseline, respectively.

Measure
percent_inhibition
Value
reduced HEt fluorescence to ~250% (50 μM) and ~180% (100 μM) of baseline vs ~336% in low Mg2+ alone % of baseline
Target
Rattus norvegicus
Assay
Not reported by source
Source publication
AntioxidantPositive observation
Record detail

Supp Fig. 2A and C: CB3-treated animals exhibited a significant reduction in 8-OHdG fluorescence intensity in CA1 neurons compared with vehicle-treated animals (p < 0.05).

Measure
other
Value
significant reduction in 8-OHdG fluorescence intensity in CA1 neurons A.U.
Target
Rattus norvegicus
Assay
Not reported by source
Source publication

Citation and release provenance

Cite this identity as PepDiana record PEPDIA-PLP-000024, release PepDiana-V1-20260620. Experimental observations retain their paper, mention, and activity-record identifiers.

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