ProForma 2.0
validated simple linear
YR
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PEPDIA-INT-057063
SilverPepDiana tier derived from the internal quality score plus activity and literature coverage; it is not an external database rating.Bovine hemoglobin alpha chain (140-141)
65
Quality PepDiana 0–100 composite of sequence, source, activity, literature, and cross-database evidence completeness.
4
Source DBs
8
Activities
4
Source refs
2
Literature
0
Patents
Integrated record
Sequence and molecular profile
YR
Indexed sequence2 aa
1YR
Length
2
Molecular weight
337.38 Da
Formula
C15H23N5O4
Structure type
Linear
Synthesis
Synthetic
Chirality
-
Family
-
Gene
-
Residue composition
Y
1
R
1
Physicochemical profile
Hydrophobic1
Membrane affinity proxy
Polar0
Solubility proxy
Charged1
Net charge proxy +1
Aromatic1
Binding interaction proxy
Versioned scientific descriptors
Physicochemical properties and standard representations
Reported properties
Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.
Computed properties
physchem-20260620Molecular weight
337.3742 Da
Molecular formula
C15H23N5O4
Theoretical pI
8.7476
Net charge at pH 7
0.7591
GRAVY
-2.9
Instability index
-79.55
Aromaticity
0.5
Topological polar surface area
174.55 Ų
cLogP
-0.9053
Hydrogen-bond donors
7
Hydrogen-bond acceptors
5
Rotatable bonds
9
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
HELM 2.0
validated simple linear
PEPTIDE1{Y.R}$$$$V2.0
Canonical SMILES
validated
N=C(N)NCCCC(NC(=O)C(N)Cc1ccc(O)cc1)C(=O)O
Isomeric SMILES
validated
N=C(N)NCCC[C@H](NC(=O)[C@@H](N)Cc1ccc(O)cc1)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-057063,
title = {Bovine hemoglobin alpha chain (140-141)},
author = {{PepDiana Consortium}},
year = {2026},
howpublished = {PepDiana Multifunctional Peptide Database},
url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-057063},
note = {Accessed from local PepDiana development build}
}APA-style note
Bovine hemoglobin alpha chain (140-141). (2026). PepDiana record PEPDIA-INT-057063. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-057063
This record is saved to local recent-view history so it can reappear on the peptide browser page.
Integrated source-database annotations
Biological activity (8 records)
| Stable record | Activity | Subtype | Value | Target | Assay method | Source |
|---|---|---|---|---|---|---|
| CTPDB_P057063_ACT_camp_0000 | Antimicrobial | Antibacterial | Not available in the current structured import | Unknown | Not reported by source | CAMPSQ20299camp / linked |
| CTPDB_P057063_ACT_camp_0001 | Antimicrobial | Anti-Gram- | Not available in the current structured import | Unknown | Not reported by source | CAMPSQ20299camp / linked |
| CTPDB_P057063_ACT_dbaasp_0002 | Antimicrobial | - | NA | Escherichia coli | Not reported by source | DBAASPS_10257_chain0dbaasp / linked |
| CTPDB_P057063_ACT_dbaasp_0003 | Antimicrobial | - | NA | Salmonella enterica subsp. enterica serovar Enteritidis | Not reported by source | DBAASPS_10257_chain0dbaasp / linked |
| CTPDB_P057063_ACT_dbaasp_0004 | Antimicrobial | - | NA | Staphylococcus aureus | Not reported by source | DBAASPS_10257_chain0dbaasp / linked |
| CTPDB_P057063_ACT_dbaasp_0005 | Antimicrobial | - | NA | Listeria innocua | Not reported by source | DBAASPS_10257_chain0dbaasp / linked |
| CTPDB_P057063_ACT_dbaasp_0006 | Antimicrobial | - | NA | Micrococcus luteus | Not reported by source | DBAASPS_10257_chain0dbaasp / linked |
| CTPDB_P057063_ACT_satpdb_0007 | Cell-Penetrating | Drug Delivery | Not available in the current structured import | Unknown | Not reported by source | satpdb21746satpdb / linked |
Provenance
Source database records (4)
Citation trail
Literature (2 records)
{"pubmed_id": "[NA](https://www.ncbi.nlm.nih.gov/pubmed/?term=NA)"}
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Audit surface
Raw annotations and release metadata
Integrated record last updated: 2026-04-15T00:59:13.664756+00:00
Modification summary
No structured modification annotations are available for this record.
Source metadata
[
{
"source_db": "b3pdb",
"organism_name": "Unknown"
},
{
"source_db": "camp",
"organism_name": "Unknown"
},
{
"source_db": "dbaasp",
"organism_name": "Unknown"
},
{
"source_db": "satpdb",
"organism_name": "Unknown"
}
]Structure metadata
{
"source_db": "satpdb",
"dssp_states": "CC"
}