ProForma 2.0
validated simple linear
GIGAVLEVLTTGLPALISWIKRKRQQ
Record tools
Copy identifiers or export this single peptide record for a local research note.
Melittin [K7E]
45
Quality PepDiana 0–100 composite of sequence, source, activity, literature, and cross-database evidence completeness.
1
Source DBs
0
Activities
1
Source refs
1
Literature
0
Patents
Integrated record
Length
Molecular weight
Formula
Structure type
Synthesis
Chirality
Family
Gene
Residue composition
Physicochemical profile
Membrane affinity proxy
Solubility proxy
Net charge proxy +3
Binding interaction proxy
Versioned scientific descriptors
Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.
Molecular weight
2848.3888 Da
Molecular formula
C130H223N37O34
Theoretical pI
11.0004
Net charge at pH 7
2.7609
GRAVY
0.2885
Instability index
51.2615
Aromaticity
0.0385
Topological polar surface area
1157.83 Ų
cLogP
-8.7486
Hydrogen-bond donors
41
Hydrogen-bond acceptors
37
Rotatable bonds
96
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
ProForma 2.0
validated simple linear
GIGAVLEVLTTGLPALISWIKRKRQQ
HELM 2.0
validated simple linear
PEPTIDE1{G.I.G.A.V.L.E.V.L.T.T.G.L.P.A.L.I.S.W.I.K.R.K.R.Q.Q}$$$$V2.0
Canonical SMILES
validated
CCC(C)C(NC(=O)CN)C(=O)NCC(=O)NC(C)C(=O)NC(C(=O)NC(CC(C)C)C(=O)NC(CCC(=O)O)C(=O)NC(C(=O)NC(CC(C)C)C(=O)NC(C(=O)NC(C(=O)NCC(=O)NC(CC(C)C)C(=O)N1CCCC1C(=O)NC(C)C(=O)NC(CC(C)C)C(=O)NC(C(=O)NC(CO)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)NC(C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCC(N)=O)C(=O)NC(CCC(N)=O)C(=O)O)C(C)CC)C(C)CC)C(C)O)C(C)O)C(C)C)C(C)C
Isomeric SMILES
validated
CC[C@H](C)[C@H](NC(=O)CN)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)O)[C@@H](C)CC)[C@@H](C)CC)[C@@H](C)O)[C@@H](C)O)C(C)C)C(C)C
Follow-up research
Links open third-party resources with the current PepDiana sequence, record name, or chemistry notation as the initial query.
Research workflow
@misc{PEPDIA-INT-020517,
title = {Melittin [K7E]},
author = {{PepDiana Consortium}},
year = {2026},
howpublished = {PepDiana Multifunctional Peptide Database},
url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-020517},
note = {Accessed from local PepDiana development build}
}Melittin [K7E]. (2026). PepDiana record PEPDIA-INT-020517. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-020517
Provenance
Citation trail
Pérez-Payá E, Houghten RA, Blondelle SE
Audit surface
Integrated record last updated: 2026-04-15T00:59:17.814455+00:00
Modification summary
No structured modification annotations are available for this record.
{
"toxicity": [
{
"unit": "µg/ml",
"value": "4.0",
"source_db": "dbaasp",
"assay_method": "50% Hemolysis",
"toxicity_type": "Hemolytic",
"target_cellline": "Human erythrocytes"
},
{
"unit": "µg/ml",
"value": "4.4",
"source_db": "dbaasp",
"assay_method": "50% Hemolysis",
"toxicity_type": "Hemolytic",
"target_cellline": "Human erythrocytes"
}
]
}[
{
"source_db": "dbaasp",
"organism_name": "Unknown"
}
]