Peptide Database

Peptide NameSIFamide 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC57H89N15O19S

DescriptionStandard

        ESKNPPLNGSMF
    

Molecular Weight1320.47 Da

Isoelectric Point (pI)6.10

Net Charge (pH 7.0)-0.16

Net Charge (pH 7.4) -0.34

Charge Density (pH 7.0) -0.0137

GRAVY Index-0.93

Hydrophobic Moment 0.14

Boman Index-0.05

Instability Index26.34

Aliphatic Index 32.50

Aromaticity 0.0833

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 555.80

LogP -6.85

H-bond Donors 17.0

H-bond Acceptors 20.0

Rotatable Bonds 41.0

Heavy Atoms 92.0

Ring Count 3.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0100136 VERIFIED: NO

Provenance & Taxonomy

OrganismScorpiops jendeki [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide