AMPDB_34817 | Tick defensin 2

PEPTIDE SUMMARY

Tick defensin 2

1 General Description

AMPDB ID: AMPDB_34817

Protein Names: Tick defensin 2 (OsDef2)

Protein Family: Invertebrate defensin family

Gene Name: Nil

Source Organism: Ornithodoros savignyi (African eyed tampan) (Soft tick)

Protein Length: 37 AA

Protein Existence: Evidence at protein level

2 Protein Sequence & Composition

2.1 Sequence

GYGCPFNQYQCHSHCKGIRGYKGGYCKGAFKQTCKCY

FASTA format

2.2 Composition

Counts of Amino Acids

'A': 1, 'R': 1, 'N': 1, 'D': 0, 'C': 6, 'Q': 3, 'E': 0, 'G': 7, 'H': 2, 'I': 1, 'L': 0, 'K': 5, 'M': 0, 'F': 2, 'P': 1, 'S': 1, 'T': 1, 'W': 0, 'Y': 5, 'V': 0

Frequencies of Amino Acids

'A': 2.7%, 'R': 2.7%, 'N': 2.7%, 'D': 0%, 'C': 16.22%, 'Q': 8.11%, 'E': 0%, 'G': 18.92%, 'H': 5.41%, 'I': 2.7%, 'L': 0%, 'K': 13.51%, 'M': 0%, 'F': 5.41%, 'P': 2.7%, 'S': 2.7%, 'T': 2.7%, 'W': 0%, 'Y': 13.51%, 'V': 0%

Missing Amino Acid(s)

D, E, L, M, V, W

Most Occurring Amino Acid(s)

Less Occurring Amino Acid(s)

A, I, N, P, R, S, T

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	4185.82 Da	Computed by ProtParam module (biopython 1.79)
2.	Aliphatic Index	13.243	Computed by ProtParam module (biopython 1.79)
3.	Instability Index (Half Life)	5.565	Computed by ProtParam module (biopython 1.79)
4.	Hydrophobicity (GRAVY)	-0.808	Computed by ProtParam module (biopython 1.79)
5.	Hydrophobic Moment	0.454	Computed by ProtParam module (biopython 1.79)
6.	Isoelectric Point	9.073	Computed by ProtParam module (biopython 1.79)
7.	Charge (at pH 7)	5.802	Computed by ProtParam module (biopython 1.79)
8.	Secondary Structure Fraction	0.216, 0.27, 0.027 [Helix, Turn, Sheet]	Computed by ProtParam module (biopython 1.79)
9.	Aromaticity	0.189	Computed by ProtParam module (biopython 1.79)
10.	Molar Extinction Coefficient (cysteine\|cystine)	7450, 7825	Computed by ProtParam module (biopython 1.79)

4 Activity Details

4.1 Target Organism(s)

Bacillus subtilis (Gram-positive), Escherichia coli (Gram-negative), Micrococcus luteus (Gram-positive), Pseudomonas aeruginosa (Gram-negative)

4.2 Antimicrobial Activity

Antibiotic, Antimicrobial, Defensin, Anti-gram-negative, Anti-gram-Positive

4.3 Enzymatic Activity

Not found

4.4 Inhibitory Effect

Not found

4.5 Other Biological Activity

Non-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: Prinsloo L, Naidoo A, Serem J, et al. Structural and functional characterization of peptides derived from the carboxy-terminal region of a defensin from the tick Ornithodoros savignyi. J Pept Sci. 2013;19(5):325-32. Published 2013 May. doi:10.1002/psc.2505

PMID: 23553969

5.2 Protein Sequence Databases

UniProt: P0DV61

5.3 3D Structure Databases

No PDB Ids found

AlphaFoldDB: P0DV61

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: IPR001542, IPR036574

PANTHER: Not found

PROSITE: PS51378

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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