Basic Information

IDDRAMP01627
SequenceYPPKPESPGEDASPEEMNKYLTALRHYINLVTRQRY
Length36
NameSkin peptide tyrosine-tyrosine (Skin-PYY; SPYY; Frogs, amphibians, animals)
SourcePhyllomedusa bicolor (Two-colored leaf frog)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
PathogenGram-negative bacteria: Aeromonas caviae (MIC=40 µg/ml), Escherichia coli (MIC=10 µg/ml);##Gram-positive bacteria: Enterococcus faecalis (MIC=10 µg/ml), Nocardia brasiliensis (MIC=20 µg/ml).##Fungi: Cryptococcus neoformans (MIC=20 µg/ml), Candida albicans (MIC=15 µg/ml), Microsporum canis (MIC=10 µg/ml), Tricophyton rubrum (MIC=15 µg/ml), Arthroderma simii (MIC=10 µg/ml), Aspergillus fumigatus (MIC=80 µg/ml), Aspergillus niger (MIC>100 µg/ml).
Hemolytic ActivityNo hemolysis information or data found in the reference(s) presented in this entry
Cytotoxicity[Ref.8601432]<20% cytotoxic against murine macrophages at the concentration up to 100μg/ml##[Ref.7937944]No cytotoxicity information found
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedLinear
Uniprot P80952
PDB
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PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID7937944, 8601432

Physicochemical Properties

Residues36
SequenceYPPKPESPGEDASPEEMNKYLTALRHYINLVTRQRY
Molecular Weight4264.73
Grand Average of Hydropathy-1.208
Isoelectric Point6.771
Charge at pH 7.4-0.416
Secondary StructureHelix: 0.250, Turn: 0.278, Sheet: 0.278
Instability Index98.514
Aromaticity0.111

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Candidates based on structure

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