Basic Information

IDDRAMP03594
SequenceVCSCRLVFCRRTELRVGNCLIGGVSFTYCCTRV
Length33
NameNeutrophil defensin 4 (Defensin, alpha 4; HNP-4, HP-4; Human, mammals, animals)
SourceHomo sapiens (Human)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal, Antiviral(SARS-CoV-2)
Pathogen[Ref.34206990]Virus:showed inhibition against SARS-CoV-2.Gram-negative bacteria: Escherichia coli ATCC 8739 (vLD50=3.3±0.4 µg/ml), E. coli ATCC 25922 (vLD50=3.0±0.7 µg/ml), Enterobacter aerogenes ATCC 13048 (vLD50=6.6±0.2 µg/ml);##Gram-positive bacteria: Staphylococcus aureus ATCC 25923 (vLD50=7.3±1.4 µg/ml), S. aureus ATCC 29213 (vLD50=7.2±0.2 µg/ml), Bacillus cereus ATCC 10876 (vLD50=0.87±0.08 µg/ml).(Ref.4)##NOTE: vLD50, virtual lethal doses (vLDs), equivalent to conventional 50% lethal doses (LD50s).##Yeast: Candida albicans ATCC 99788 amphotericin B resistant (IC90>100 µg/ml).(Ref.2)
Hemolytic ActivityNo hemolysis information or data found in the reference(s) presented in this entry
CytotoxicityNo cytotoxicity information found in the reference(s) presented
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedCyclic
Uniprot P12838
PDB 1ZMM resolved by X-ray.
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID34206990, 17088326, 15620707, 15616305

Physicochemical Properties

Residues33
SequenceVCSCRLVFCRRTELRVGNCLIGGVSFTYCCTRV
Molecular Weight3715.444
Grand Average of Hydropathy0.661
Isoelectric Point8.981
Charge at pH 7.43.375
Secondary StructureHelix: 0.364, Turn: 0.182, Sheet: 0.121
Instability Index62.042
Aromaticity0.091

Similar Structure Search

Candidates based on structure

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