ATLPC0000518
ATLPC0000518
CKGKGAKCSRLMYDCCTGSCRSGKC
- Length25 aa
- Monoisotopic mass2644.1 Da
- Net charge @ pH 7.45.00
- Isoelectric point8.88
- GRAVY-0.464
- Measurements13
- Endpoints3
- Domains3/5
- Products—
- 3 stability measurements
- No clearance evidence
- No immunogenicity context
- 2 liability motifs
Open the matching evidence section below
Sequence & molecular identity
1 formsReviewed sequence, peptidoform forms, chemical representation, 3D references, and covalent topology used to interpret this peptide identity.
Sequence & peptidoform
Identity summaryCanonical sequence only
- Identity status
- Canonical sequence only
- Residues
- 25
- Peptidoform features
- 0
- Documented molecular forms
- 1
- Representations
- 2
Documented molecular forms1 form linked to this peptide identity
| Form | Topology | Modifications | Connections | Representations | Measurements | |
|---|---|---|---|---|---|---|
| ATLPF0000567 | — | — | — | Notation only | 2 |
Residue view
Soft tints mark standard side-chain classes for scanning. Primary emphasis is reserved for reported modifications, termini, secondary-structure tracks, and topology links.
Features are shown only when a reported notation or topology record supports them.
Structure & chemistry
Chemical representationsequence / HELM only
How the current release can interpret this identity chemically.
plain sequence-likeResidue string used for positional interpretation when available.
CKGKGAKCSRLMYDCCTGSCRSGKCPolymer notation for modified peptide representation when available.
Not availableChemical graph string used for atom-level 2D depiction when available.
Not availableA reviewed SMILES is required before a 2D molecular depiction can be shown. Sequence and HELM remain useful for identity interpretation, but they do not replace a chemical graph.
3D structure references3 references
Covalent topology & modificationsnone
No reviewed form-level topology or residue-level connection annotation is attached to this peptide in the current release. This is not evidence that every molecular form is linear or unmodified.
Physicochemical profile
4 descriptorsComputed sequence-derived descriptors and any measured physicochemical evidence such as lipophilicity. Computed values are interpretation aids, not experimental ADMET measurements.
Core descriptors25 aa · pI 8.9 · GRAVY -0.46
- Length
- 25 aa
- Monoisotopic mass
- 2644.13 Da
- Average mass
- 2646.16 Da
- Net charge at pH 7.4
- 5.00
- Estimated pI
- 8.88
- GRAVY
- -0.464
- KD-positive residues
- 36.0%
- Aromatic residues
- 4.0%
Developability interpretation
- Ionization context
- pH 7.4 separated from pI
- Hydrophobicity balance
- Leans hydrophilic
- Amphipathic moment (μH)
- 0.89
- Computation boundary
- Standard-sequence only
Charge & residue composition
Modeled net charge across common formulation and assay pH checkpoints.
Grouped composition is often more interpretable than a long amino-acid list.
Hydropathy & amphipathic windows
Seven-residue sliding windows expose local patches hidden by whole-sequence GRAVY.
Top alpha-helix hydrophobic-moment windows across 12, 15, 18, and 21 residues.
Sequence-liability cues
Motifs are review prompts for formulation or CMC interpretation; they are not degradation predictions.
Alpha-helix amphipathic projection
The projection assumes an α-helix conformation; a long μH arrow indicates an amphipathic helix, common in antimicrobial peptides.
Method notes
Charge model: side-chain pKa D 3.9, E 4.1, C 8.5, Y 10.1, H 6.5, K 10.8, R 12.5 with EMBOSS termini. pI is estimated by binary search on modeled net charge. Hydropathy uses Kyte-Doolittle values; hydrophobic moment follows the Eisenberg alpha-helix vector-sum convention. When the basis is a parent-residue sequence, modified chemistry is intentionally not inferred.
Deterministic descriptors computed from the reviewed sequence or chemical structure (RDKit), each anchored to a literature method. These are computed estimates for developability interpretation — not experimental measurements — and are validated against independent reference implementations.
Computed from the standard parent-residue sequence; protein-origin metrics defined at any length.
Above 40 — predicted unstable in vitro.
A280 (1 g/L) ≈ 0.56 · 1,865 M⁻¹·cm⁻¹ with 3 disulfides
Structure-derived descriptors are not shown because this identity has no resolved chemical structure (SMILES). This is a known coverage gap for disulfide-rich and unresolved peptidoforms, not a computation error.
Distribution / Barrier
9 recordsWhat is known about distribution, binding, permeability, or barrier crossing?
Evidence interpretation
Result type, analysis use, and source-check status are kept separate so a numerical value is not mistaken for a universally comparable result.
Rows are grouped by endpoint so value, assay context, interpretation layer, and reference can be checked in place.
BBB penetration9 records · 4 matched-context · 5 as reported · 0 context only · 0 review required
| # | Value | Analysis use | Assay / model | Result context | Reference |
|---|---|---|---|---|---|
| 1 | 1.31 % | Eligible when experimental context matches | Capillary depletion · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Rpellet · NA · Source: Primary reference linked | Reference |
| 2 | 5.58 % | Eligible when experimental context matches | Capillary depletion · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Rsupernatant · NA · Source: Primary reference linked | Reference |
| 3 | 0.0042 mL/g/min | Eligible when experimental context matches | In situ brain perfusion · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Kin · NA · Source: Primary reference linked | Reference |
| 4 | 0.0018 mL/g | Eligible when experimental context matches | In situ brain perfusion · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Vi · NA · Source: Primary reference linked | Reference |
| 5 | 5.58 % | Interpret as reported | Not specified | Result: Reported point value · Molecular form: not reported · Source: Primary reference linked | Reference |
| 6 | 1.31 % | Interpret as reported | Not specified | Result: Reported point value · Molecular form: not reported · Source: Primary reference linked | Reference |
| 7 | 0.0042 mL/g/min | Interpret as reported | NA · NA · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Route: in situ brain perfusion · Permeability · Source: Primary reference linked | Reference |
| 8 | 0.0018 mL/g | Interpret as reported | NA · NA · blood-brain barrier | Result: Reported point value · Molecular form: not reported · Route: in situ brain perfusion · Permeability · Source: Primary reference linked | Reference |
| 9 | Observation raw_value: 0.0436 micromolar; result: 0.0436 micromolar; in_vivo_result: It induces tremor symptoms; in_vitro_result: Inhibitory activity toward N-type calcium channels.; transport_type: Receptor-mediated transcytosis | Interpret as reported | Tremor Symptom Test · HEK293 cells · Kunming mice · blood-brain barrier | Result: Qualitative or narrative result · Molecular form: not reported · Route: Intranasal and Intervenous · Receptor-mediated transcytosis · Source: Primary reference linked | Reference |
Barrier and permeability assay context
PAMPA, Caco-2, MDCK/RRCK, and BBB findings are assay/model contexts under Distribution / Barrier. They should not be read as interchangeable measurements.
artificial membrane
cell monolayer
cell monolayer
cell monolayer
barrier evidence
Metabolic & Proteolytic Stability
3 recordsHow stable is the peptide in biological matrices or protease systems?
Evidence interpretation
Result type, analysis use, and source-check status are kept separate so a numerical value is not mistaken for a universally comparable result.
Rows are grouped by endpoint so value, assay context, interpretation layer, and reference can be checked in place.
Serum/plasma stability3 records · 3 matched-context · 0 as reported · 0 context only · 0 review required
| # | Value | Analysis use | Assay / model | Result context | Reference |
|---|---|---|---|---|---|
| 1 | 75.61 percent_remaining | Eligible when experimental context matches | HPLC · human · Human serum | Result: Reported point value · Molecular form: ATLPF0000567 · Dose/window: 100 μM · Time: after 24 Hours · Human serum protease · In Vitro · Source: Primary reference linked | Reference |
| 2 | 78.68 percent_remaining | Eligible when experimental context matches | HPLC · human · Human serum | Result: Reported point value · Molecular form: ATLPF0000567 · Dose/window: 100 μM · Time: after 24 Hours · Human serum protease · In Vitro · Source: Primary reference linked | Reference |
| 3 | 8 Hours 28800 seconds | Eligible when experimental context matches | HPLC · human · Human serum | Result: Reported point value · Molecular form: ATLPF0040986 · Dose/window: 100 μM · Time: At 0, 1, 2, 4, 8, and 24 h, aliquots of peptides MVIIA at 37 celsisus · Human serum protease · In Vitro · Source: Primary reference linked | Reference |
Toxicity / Safety
1 recordsWhat safety, toxicity, or tolerability evidence is attached?
Evidence interpretation
Result type, analysis use, and source-check status are kept separate so a numerical value is not mistaken for a universally comparable result.
Rows are grouped by endpoint so value, assay context, interpretation layer, and reference can be checked in place.
% hemolysis1 record · 1 matched-context · 0 as reported · 0 context only · 0 review required
| # | Value | Analysis use | Assay / model | Result context | Reference |
|---|---|---|---|---|---|
| 1 | 50 % | Eligible when experimental context matches | Human erythrocytes · Human erythrocytes · human · RBC | Result: Reported point value · Molecular form: not reported · Source: Primary reference linked | Reference |
Evidence landscape
13 recordsCross-domain evidence distribution and measurement-level detail; the domain modules above show evidence in context, and every row remains available for audit here.
A cross-domain view of evidence volume, scientifically permitted analysis use, and source traceability.
Top evidence-bearing endpoint questions.
Broad context buckets, useful before comparing values.
Reference-link availability for measurement-level audit.
Every evidence record remains available for audit and drilldown. Counts describe evidence volume, not confidence.
| # | ADMET domain | Endpoint | Reported value | Result type | Analysis use | Assay / model | Condition | Reference |
|---|---|---|---|---|---|---|---|---|
| 1 | Metabolic & Proteolytic Stability Stability | Serum Plasma Stability | 75.61 percent_remaining | Reported point value | Eligible when experimental context matches | HPLC · human · Human serum | Time: after 24 Hours · Dose/window: 100 μM · Protease: Human serum protease · In Vitro | Reference Primary reference linked |
| 2 | Toxicity / Safety Safety | Hemolysis Percent Observation | 50 % | Reported point value | Eligible when experimental context matches | Human erythrocytes · human · RBC | Not specified | Reference Primary reference linked |
| 3 | Metabolic & Proteolytic Stability Stability | Serum Plasma Stability | 8 Hours 28,800 seconds | Reported point value | Eligible when experimental context matches | HPLC · human · Human serum | Time: At 0, 1, 2, 4, 8, and 24 h, aliquots of peptides MVIIA at 37 celsisus · Dose/window: 100 μM · Protease: Human serum protease · In Vitro | Reference Primary reference linked |
| 4 | Metabolic & Proteolytic Stability Stability | Serum Plasma Stability | 78.68 percent_remaining | Reported point value | Eligible when experimental context matches | HPLC · human · Human serum | Time: after 24 Hours · Dose/window: 100 μM · Protease: Human serum protease · In Vitro | Reference Primary reference linked |
| 5 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | 0.004 mL/g/min | Reported point value | Interpret as reported | NA · blood-brain barrier | Route: in situ brain perfusion | Reference Primary reference linked |
| 6 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | Observation raw_value: 0.0436 micromolar; result: 0.0436 micromolar; in_vivo_result: It induces tremor symptoms; in_vitro_result: Inhibitory activity toward N-type calcium channels.; transport_type: Receptor-mediated transcytosis | Qualitative or narrative result | Interpret as reported | Tremor Symptom Test · Kunming mice · blood-brain barrier · HEK293 cells | Route: Intranasal and Intervenous | Reference Primary reference linked |
| 7 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | 0.002 mL/g | Reported point value | Interpret as reported | NA · blood-brain barrier | Route: in situ brain perfusion | Reference Primary reference linked |
| 8 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | 5.58 % | Reported point value | Interpret as reported | Not specified | Not specified | Reference Primary reference linked |
| 9 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | 1.31 % | Reported point value | Interpret as reported | Not specified | Not specified | Reference Primary reference linked |
| 10 | Distribution / Barrier Distribution | Blood Brain Barrier Penetration | 1.31 % | Reported point value | Eligible when experimental context matches | Capillary depletion · blood-brain barrier | Not specified | Reference Primary reference linked |
Product context
Product-level route, label, and clinical context that frames peptide-level evidence. A peptide-level summary only; product pages keep the full drilldown.
This peptide is currently interpreted from sequence, structure, physicochemical, and ADMET evidence only.
Identity & reference map
13 sourcesReference-level support for checking reported names, sequence notation, and peptide identity agreement.
Summary4 reference groups
- Identity type
- canonical sequence
- Reported notation
- 0
- Reference groups
- 4
- Measurements
- 13
- ATL peptide ID
- ATLPC0000518
Identity concordance
Reported sequence string matches the current peptide notation.
Reported notation differs, but resolves to the same parent-residue display.
Reported notation does not resolve to the current display sequence.
No source-specific sequence was captured for comparison; this is not interpreted as agreement or disagreement.
No source-specific sequence notation has been captured in the current identity references.
CKGKGAKCSRLMYDCCTGSCRSGKC
Reference map4 reference groups
Grouped by reference link, with endpoint scope and reported identity kept visible.
| Reference | Supports | Reported identity | Records |
|---|---|---|---|
Reference | Distribution Blood Brain Barrier Penetration | No reported alias | 8 identity 8 evidence |
Reference | Stability Serum Plasma Stability | No reported alias | 3 identity 3 evidence |
Reference | Safety Hemolysis Percent Observation | No reported alias | 1 identity 1 evidence |
Reference | Distribution Blood Brain Barrier Penetration | No reported alias | 1 identity 1 evidence |
Data access & reproducibility
Stable record access, analysis-ready files, and scripted retrieval for reproducing this profile view.
Record scopePublic release
- ATL peptide ID
- ATLPC0000518
- Identity type
- canonical sequence
- ADMET endpoints
- 3
- Evidence records
- 13
- Reference groups
- 4
- Release view
- Public release
Data access
Structured peptide profile
JSONPeptide-specific profile used by this page, including identity and evidence context.
Peptide catalogue
TSVComplete frozen peptide table. Filter the ATL peptide ID column locally to isolate this record.
Measurement catalogue
TSVComplete frozen measurement table. Join or filter by ATL peptide ID for peptide-level analysis.
Programmatic access
The request returns the same structured peptide record used by this profile. The tabular downloads are complete frozen release tables and should be filtered locally by ATL peptide ID.
curl -sS 'https://admetatlas.scbdd.com/api/v1/peptides/ATLPC0000518' \
-H 'accept: application/json' \
-H 'X-Visibility: public_release'