AMPDB_4221 | Brevinin-2Eg

PEPTIDE SUMMARY

Brevinin-2Eg

1 General Description

AMPDB ID: AMPDB_4221

Protein Names: Brevinin-2Eg

Protein Family: Frog skin active peptide (FSAP) family; Brevinin subfamily

Gene Name: Nil

Source Organism: Pelophylax ridibundus (Marsh frog) (Rana ridibunda)

Protein Length: 33 AA

Protein Existence: Evidence at protein level

2 Protein Sequence & Composition

2.1 Sequence

GIMDTLKNLAKTAGKGALQSLLNHASCKLSGQC

FASTA format

2.2 Composition

Counts of Amino Acids

'A': 4, 'R': 0, 'N': 2, 'D': 1, 'C': 2, 'Q': 2, 'E': 0, 'G': 4, 'H': 1, 'I': 1, 'L': 6, 'K': 4, 'M': 1, 'F': 0, 'P': 0, 'S': 3, 'T': 2, 'W': 0, 'Y': 0, 'V': 0

Frequencies of Amino Acids

'A': 12.12%, 'R': 0%, 'N': 6.06%, 'D': 3.03%, 'C': 6.06%, 'Q': 6.06%, 'E': 0%, 'G': 12.12%, 'H': 3.03%, 'I': 3.03%, 'L': 18.18%, 'K': 12.12%, 'M': 3.03%, 'F': 0%, 'P': 0%, 'S': 9.09%, 'T': 6.06%, 'W': 0%, 'Y': 0%, 'V': 0%

Missing Amino Acid(s)

E, F, P, R, V, W, Y

Most Occurring Amino Acid(s)

Less Occurring Amino Acid(s)

D, H, I, M

Hydrophobic Amino Acid(s) Count

Hydrophilic Amino Acid(s) Count

Basic Amino Acid(s) Count

Acidic Amino Acid(s) Count

Modified Amino Acid(s) Count

Modified Amino Acid(s) Frequencies

Computed by biopython (version 1.79) & proteinAnalysis (version 1)

3 Physicochemical Properties

Sl. No.	Properties	Values	Reference
1.	Molecular Mass	3372.96 Da	Computed by ProtParam module (biopython 1.79)
2.	Aliphatic Index	94.849	Computed by ProtParam module (biopython 1.79)
3.	Instability Index (Half Life)	20.494	Computed by ProtParam module (biopython 1.79)
4.	Hydrophobicity (GRAVY)	-0.009	Computed by ProtParam module (biopython 1.79)
5.	Hydrophobic Moment	0.657	Computed by ProtParam module (biopython 1.79)
6.	Isoelectric Point	9.601	Computed by ProtParam module (biopython 1.79)
7.	Charge (at pH 7)	2.964	Computed by ProtParam module (biopython 1.79)
8.	Secondary Structure Fraction	0.212, 0.273, 0.333 [Helix, Turn, Sheet]	Computed by ProtParam module (biopython 1.79)
9.	Aromaticity	0	Computed by ProtParam module (biopython 1.79)
10.	Molar Extinction Coefficient (cysteine\|cystine)	0, 125	Computed by ProtParam module (biopython 1.79)

4 Activity Details

4.1 Target Organism(s)

Gram Negative Bacteria and Gram Positive Bacteria

4.2 Antimicrobial Activity

Amphibian defense peptide, Antibiotic, Antimicrobial, Anti-gram-negative, Anti-gram-Positive

4.3 Enzymatic Activity

Not found

4.4 Inhibitory Effect

Not found

4.5 Other Biological Activity

Cytolysis, Hemolytic, Non-ribosomal

Activity data manually curated from Literature and UniProt

5 Database Cross-references

5.1 Literature Database

5.1.1 PubMed

Citation 1: Samgina TY, Artemenko KA, Gorshkov VA, et al. De novo sequencing of peptides secreted by the skin glands of the Caucasian Green Frog Rana ridibunda. Rapid Commun Mass Spectrom. 2008;22(22):3517-25. Published 2008 Nov. doi:10.1002/rcm.3759

PMID: 18855342

Citation 2: Samgina TY, Artemenko KA, Bergquist J, et al. Differentiation of frogs from two populations belonging to the Pelophylax esculentus complex by LC-MS/MS comparison of their skin peptidomes. Anal Bioanal Chem. 2017;409(7):1951-1961. Published 2017 Mar. doi:10.1007/s00216-016-0143-3

PMID: 28012108

5.2 Protein Sequence Databases

UniProt: P86154

5.3 3D Structure Databases

No PDB Ids found

AlphaFoldDB: P86154

5.4 Nucleotide Sequence Databases

No entries found in GenBank or EMBL

CCDS: Not found

RefSeq: Not found

5.5 Protein-Protein Interaction Databases

STRING: Not found

IntAct: Not found

MINT: Not found

DIP: Not found

BioGRID: Not found

5.6 Ligand Databases

BindingDB: Not found

DrugBank: Not found

ChEMBL: Not found

5.7 Family & Domain Databases

InterPro: IPR012521

PANTHER: Not found

PROSITE: Not found

5.8 Genome Annotation Databases

Ensembl: Not found

KEGG: Not found

5.9 Phylogenomic Databases

GeneTree: Not found

5.10 Enzyme & Pathway Databases

BRENDA: Not found

BioCyc: Not found

5.11 Protein-RNA Interaction Databases

RNAct: Not found

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