AMPDB_34861 | Ceratotoxin-B

PEPTIDE SUMMARY

Ceratotoxin-B

1 General Description

AMPDB ID: AMPDB_34861

Protein Names: Ceratotoxin-B

Protein Family: Nil

Gene Name: CTXB

Source Organism: Ceratitis capitata (Mediterranean fruit fly) (Tephritis capitata)

Protein Length: 29 AA

Protein Existence: Evidence at protein level

2 Protein Sequence & Composition

2.1 Sequence

SIGSAFKKALPVAKKIGKAALPIAKAALP

FASTA format

2.2 Composition

Counts of Amino Acids

'A': 8, 'R': 0, 'N': 0, 'D': 0, 'C': 0, 'Q': 0, 'E': 0, 'G': 2, 'H': 0, 'I': 3, 'L': 3, 'K': 6, 'M': 0, 'F': 1, 'P': 3, 'S': 2, 'T': 0, 'W': 0, 'Y': 0, 'V': 1

Frequencies of Amino Acids

'A': 27.59%, 'R': 0%, 'N': 0%, 'D': 0%, 'C': 0%, 'Q': 0%, 'E': 0%, 'G': 6.9%, 'H': 0%, 'I': 10.34%, 'L': 10.34%, 'K': 20.69%, 'M': 0%, 'F': 3.45%, 'P': 10.34%, 'S': 6.9%, 'T': 0%, 'W': 0%, 'Y': 0%, 'V': 3.45%

Missing Amino Acid(s)

C, D, E, H, M, N, Q, R, T, W, Y

Most Occurring Amino Acid(s)

Less Occurring Amino Acid(s)

F, V

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	2860.57 Da	Computed by ProtParam module (biopython 1.79)
2.	Aliphatic Index	118.276	Computed by ProtParam module (biopython 1.79)
3.	Instability Index (Half Life)	25.183	Computed by ProtParam module (biopython 1.79)
4.	Hydrophobicity (GRAVY)	0.541	Computed by ProtParam module (biopython 1.79)
5.	Hydrophobic Moment	0.653	Computed by ProtParam module (biopython 1.79)
6.	Isoelectric Point	11.5	Computed by ProtParam module (biopython 1.79)
7.	Charge (at pH 7)	5.996	Computed by ProtParam module (biopython 1.79)
8.	Secondary Structure Fraction	0.276, 0.241, 0.379 [Helix, Turn, Sheet]	Computed by ProtParam module (biopython 1.79)
9.	Aromaticity	0.034	Computed by ProtParam module (biopython 1.79)
10.	Molar Extinction Coefficient (cysteine\|cystine)	0, 0	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

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: Marchini D, Giordano PC, Amons R, et al. Purification and primary structure of ceratotoxin A and B, two antibacterial peptides from the female reproductive accessory glands of the medfly Ceratitis capitata (Insecta:Diptera). Insect Biochem Mol Biol. 1993;23(5):591-8. Published 1993 Jul. doi:10.1016/0965-1748(93)90032-n

PMID: 8353519

5.2 Protein Sequence Databases

UniProt: P36191

5.3 3D Structure Databases

No PDB Ids found

AlphaFoldDB: P36191

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: Not found

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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