AMPDB_307 | M-zodatoxin-Lt4b

PEPTIDE SUMMARY

M-zodatoxin-Lt4b

1 General Description

AMPDB ID: AMPDB_307

Protein Names: M-zodatoxin-Lt4b (M-ZDTX-Lt4b) [Cleaved into: Repetitive polypeptide element type 1c (Rpe 1c); Repetitive polypeptide element type 1d (Rpe 1d); M-zodatoxin-Lt4b peptide (Latarcin-4b) (Ltc-4b)]

Protein Family: Cationic peptide 03 (latarcin) family; 04 subfamily

Gene Name: Nil

Source Organism: Lachesana tarabaevi (Spider)

Protein Length: 179 AA

Protein Existence: Evidence at protein level

2 Protein Sequence & Composition

2.1 Sequence

MKFSIIALALAVAFVCVAESRSEEEGYDVSEEIQAEELEEAARGGINRKLMEMVNKLRKVQGREDSEDAGRAGINRKLMEMVNKLRKVQGREDTEEAGRGGINRKLMEMVNKLRKVQGREDSEEAGRGGINRKLMEMVNKLRKVQGREDTEEARSLKDKVKSMGEKLKQYIQTWKAKFG

FASTA format

2.2 Composition

Counts of Amino Acids

'A': 14, 'R': 18, 'N': 8, 'D': 7, 'C': 1, 'Q': 7, 'E': 26, 'G': 17, 'H': 0, 'I': 8, 'L': 13, 'K': 20, 'M': 10, 'F': 3, 'P': 0, 'S': 8, 'T': 3, 'W': 1, 'Y': 2, 'V': 13

Frequencies of Amino Acids

'A': 7.82%, 'R': 10.06%, 'N': 4.47%, 'D': 3.91%, 'C': 0.56%, 'Q': 3.91%, 'E': 14.53%, 'G': 9.5%, 'H': 0%, 'I': 4.47%, 'L': 7.26%, 'K': 11.17%, 'M': 5.59%, 'F': 1.68%, 'P': 0%, 'S': 4.47%, 'T': 1.68%, 'W': 0.56%, 'Y': 1.12%, 'V': 7.26%

Missing Amino Acid(s)

H, P

Most Occurring Amino Acid(s)

Less Occurring Amino Acid(s)

C, W

Hydrophobic Amino Acid(s) Count

Hydrophilic Amino Acid(s) Count

100

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	20364.4 Da	Computed by ProtParam module (biopython 1.79)
2.	Aliphatic Index	74.637	Computed by ProtParam module (biopython 1.79)
3.	Instability Index (Half Life)	45.148	Computed by ProtParam module (biopython 1.79)
4.	Hydrophobicity (GRAVY)	-0.842	Computed by ProtParam module (biopython 1.79)
5.	Hydrophobic Moment	0.683	Computed by ProtParam module (biopython 1.79)
6.	Isoelectric Point	9.905	Computed by ProtParam module (biopython 1.79)
7.	Charge (at pH 7)	4.978	Computed by ProtParam module (biopython 1.79)
8.	Secondary Structure Fraction	0.223, 0.184, 0.352 [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)	8480, 8480	Computed by ProtParam module (biopython 1.79)

4 Activity Details

4.1 Target Organism(s)

A.globiformis (Gram-positive), B.subtilis (Gram-positive), E.coli (Gram-negative), P.aeruginosa (Gram-negative), P.pastoris, S.cerevisiae

4.2 Antimicrobial Activity

Antibiotic, Antimicrobial, Fungicide, Anti-yeast, Anti-gram-negative, Anti-gram-Positive

4.3 Enzymatic Activity

Not found

4.4 Inhibitory Effect

Not found

4.5 Other Biological Activity

Toxin, 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: Kozlov SA, Vassilevski AA, Feofanov AV, et al. Latarcins, antimicrobial and cytolytic peptides from the venom of the spider Lachesana tarabaevi (Zodariidae) that exemplify biomolecular diversity. J Biol Chem. 2006;281(30):20983-20992. Published 2006 Jul 28. doi:10.1074/jbc.M602168200

PMID: 16735513

Citation 2: Kuzmenkov AI, Sachkova MY, Kovalchuk SI, et al. Lachesana tarabaevi, an expert in membrane-active toxins. Biochem J. 2016;473(16):2495-506. Published 2016 Aug 15. doi:10.1042/BCJ20160436

PMID: 27287558

5.2 Protein Sequence Databases

UniProt: Q1ELU4

5.3 3D Structure Databases

No PDB Ids found

AlphaFoldDB: Q1ELU4

5.4 Nucleotide Sequence Databases

Sl. no.	Accession(s)	Access Link(s)
1.	AM232695	GenBank \|\| 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: IPR018802

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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