Peptide Database

Peptide NameSperm-associated antigen 11B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length133 amino acids

Chemical FormulaC638H1031N201O191S9

DescriptionStandard

        MRQRLLPSVTSLLLVALLFPGSSQARHVNHSATEALGELRERAPGQGTNGFQLLRHAVKRDLLQPRTPPYQGDVPPGIRNTICHMQQGICRLFFCHSGEKKRDICSDPWNRCCVSNTDEEGKEKPEMDGRSGI
    

Molecular Weight14861.83 Da

Isoelectric Point (pI)8.88

Net Charge (pH 7.0)3.90

Net Charge (pH 7.4) 3.32

Charge Density (pH 7.0) 0.0293

GRAVY Index-0.60

Hydrophobic Moment 0.65

Boman Index-0.13

Instability Index43.95

Aliphatic Index 73.31

Aromaticity 0.0451

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7365.00

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

Amino Acid Composition

TPSA 6316.66

LogP -72.18

H-bond Donors 223.0

H-bond Acceptors 209.0

Rotatable Bonds 493.0

Heavy Atoms 1039.0

Ring Count 22.0

Amide Bonds 145.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0096862 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Defensin Non-hemolytic Non-ribosomal

MethodQualitative functional evidence