AMPDB_4055 | Pseudin-4

PEPTIDE SUMMARY

Pseudin-4

1 General Description

AMPDB ID: AMPDB_4055

Protein Names: Pseudin-4

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

Gene Name: Nil

Source Organism: Pseudis paradoxa (Paradoxical frog)

Protein Length: 23 AA

Protein Existence: Evidence at protein level

2 Protein Sequence & Composition

2.1 Sequence

GINTLKKVIQGLHEVIKLVSNHA

FASTA format

2.2 Composition

Counts of Amino Acids

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

Frequencies of Amino Acids

'A': 4.35%, 'R': 0%, 'N': 8.7%, 'D': 0%, 'C': 0%, 'Q': 4.35%, 'E': 4.35%, 'G': 8.7%, 'H': 8.7%, 'I': 13.04%, 'L': 13.04%, 'K': 13.04%, 'M': 0%, 'F': 0%, 'P': 0%, 'S': 4.35%, 'T': 4.35%, 'W': 0%, 'Y': 0%, 'V': 13.04%

Missing Amino Acid(s)

C, D, F, M, P, R, W, Y

Most Occurring Amino Acid(s)

I, K, L, V

Less Occurring Amino Acid(s)

A, E, Q, 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	2511.99 Da	Computed by ProtParam module (biopython 1.79)
2.	Aliphatic Index	143.913	Computed by ProtParam module (biopython 1.79)
3.	Instability Index (Half Life)	-12.583	Computed by ProtParam module (biopython 1.79)
4.	Hydrophobicity (GRAVY)	0.213	Computed by ProtParam module (biopython 1.79)
5.	Hydrophobic Moment	0.724	Computed by ProtParam module (biopython 1.79)
6.	Isoelectric Point	10.507	Computed by ProtParam module (biopython 1.79)
7.	Charge (at pH 7)	2.181	Computed by ProtParam module (biopython 1.79)
8.	Secondary Structure Fraction	0.391, 0.217, 0.217 [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, 0	Computed by ProtParam module (biopython 1.79)

4 Activity Details

4.1 Target Organism(s)

C.albicans, E.coli (Gram-negative)

4.2 Antimicrobial Activity

Amphibian defense peptide, Antibiotic, Antimicrobial, Fungicide, Anti-candida, Anti-gram-negative

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: Olson L 3rd, Soto AM, Knoop FC, et al. Pseudin-2: an antimicrobial peptide with low hemolytic activity from the skin of the paradoxical frog. Biochem Biophys Res Commun. 2001;288(4):1001-5. Published 2001 Nov 9. doi:10.1006/bbrc.2001.5884

PMID: 11689009

5.2 Protein Sequence Databases

UniProt: P83191

5.3 3D Structure Databases

No PDB Ids found

AlphaFoldDB: P83191

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: IPR013156

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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