Peptide Database

Peptide NameProtease inhibitor SGPI-2

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ Protease inhibition

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC146H242N44O53S6

DescriptionStandard

        EVTCEPGTTFKDKCNTCRCGSDGKSAACTLKACPQ
    

Molecular Weight3654.14 Da

Isoelectric Point (pI)7.84

Net Charge (pH 7.0)0.78

Net Charge (pH 7.4) 0.51

Charge Density (pH 7.0) 0.0222

GRAVY Index-0.55

Hydrophobic Moment 0.41

Boman Index-0.16

Instability Index45.32

Aliphatic Index 28.00

Aromaticity 0.0286

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

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

Amino Acid Composition

TPSA 1578.11

LogP -24.14

H-bond Donors 60.0

H-bond Acceptors 60.0

Rotatable Bonds 120.0

Heavy Atoms 249.0

Ring Count 3.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0018954 VERIFIED: YES

Provenance & Taxonomy

OrganismSchistocerca gregaria [Animal]

Familyprotease inhibitor I19 family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4-19; 14-33; 17-28

Bio-Activity Profile

Function

Other protease inhibitor I19 family

RECORD: Rec_0261223 VERIFIED: NO