Peptide Database

Peptide NameCystatin-SN (Cystain-SA-I), (Cystatin-1), (Salivary cystatin-SA-1)

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length141 amino acids

Chemical FormulaC732H1143N203O215S5

DescriptionStandard

        MAQYLSTLLLLLATLAVALAWSPKEEDRIIPGGIYNADLNDEWVQRALHFAISEYNKATKDDYYRRPLRVLRARQQTVGGVNYFFDVEVGRTICTKSQPNLDTCAFHEQPELQKKQLCSFEIYEVPWENRRSLVKSRCQES
    

Molecular Weight16387.46 Da

Isoelectric Point (pI)6.73

Net Charge (pH 7.0)-0.34

Net Charge (pH 7.4) -0.76

Charge Density (pH 7.0) -0.0024

GRAVY Index-0.44

Hydrophobic Moment 0.88

Boman Index-0.08

Instability Index52.21

Aliphatic Index 87.16

Aromaticity 0.1064

Extinction Coeff. Reduced 26930.00

Extinction Coeff. Oxidized 27180.00

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

Amino Acid Composition

TPSA 6815.16

LogP -62.09

H-bond Donors 240.0

H-bond Acceptors 222.0

Rotatable Bonds 542.0

Heavy Atoms 1155.0

Ring Count 26.0

Amide Bonds 155.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0134295 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

FamilyCystatin

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial