Peptide Database

Peptide NameIF-8

Function Ontology

Antimicrobial

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC50H74N12O10S

DescriptionStandard

        IPPQFMRF
    

Molecular Weight1035.26 Da

Isoelectric Point (pI)9.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0950

GRAVY Index0.10

Hydrophobic Moment 0.65

Boman Index0.16

Instability Index34.45

Aliphatic Index 48.75

Aromaticity 0.2500

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 354.43

LogP -0.38

H-bond Donors 11.0

H-bond Acceptors 12.0

Rotatable Bonds 29.0

Heavy Atoms 73.0

Ring Count 4.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0038010 VERIFIED: YES

Provenance & Taxonomy

OrganismKassina maculata [Animal]

FamilyIF

Structure & Mods

Configribosomal mature linear peptide [Linear]

ChiralityGene-encoded natural peptide composed of standard L-amino acids [L]

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0091899 VERIFIED: NO

Provenance & Taxonomy

OrganismKassina maculata [Animal]; Hylambates maculatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0155065 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 37.5%, E 0.0%, T 0.0%, C 62.5% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial