Peptide Database

Peptide NameNeuropeptide Np16

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC139H216N50O39S2

DescriptionStandard

        SKGRYHNNPWCNLVDIWKGQGSGSRRCR
    

Molecular Weight3275.64 Da

Isoelectric Point (pI)10.31

Net Charge (pH 7.0)4.53

Net Charge (pH 7.4) 4.23

Charge Density (pH 7.0) 0.1616

GRAVY Index-1.35

Hydrophobic Moment 0.49

Boman Index-0.36

Instability Index33.66

Aliphatic Index 38.21

Aromaticity 0.1071

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 12615.00

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

Amino Acid Composition

TPSA 1490.71

LogP -18.86

H-bond Donors 56.0

H-bond Acceptors 47.0

Rotatable Bonds 107.0

Heavy Atoms 230.0

Ring Count 7.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0149556 VERIFIED: NO

Provenance & Taxonomy

OrganismHolothuria scabra [Animal]; Holothuria glaberrima [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide