Peptide Database

Peptide NameCortistatin-18

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC103H155N25O25S2

DescriptionStandard

        LDKKPCKNFFWKTFSSCK
    

Molecular Weight2207.62 Da

Isoelectric Point (pI)9.60

Net Charge (pH 7.0)3.74

Net Charge (pH 7.4) 3.50

Charge Density (pH 7.0) 0.2076

GRAVY Index-0.78

Hydrophobic Moment 0.41

Boman Index-0.19

Instability Index23.67

Aliphatic Index 21.67

Aromaticity 0.2222

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5625.00

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

Amino Acid Composition

TPSA 836.20

LogP -6.14

H-bond Donors 31.0

H-bond Acceptors 31.0

Rotatable Bonds 73.0

Heavy Atoms 155.0

Ring Count 6.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0112536 VERIFIED: NO

Provenance & Taxonomy

OrganismMus musculus [Animal]

Tax ID10090

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide6-17

Bio-Activity Profile

Function

Neuropeptide