Peptide Database

Peptide NameSperm-associated antigen 11B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

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

Standard StatusStandard

Sequence Length113 amino acids

Chemical FormulaC550H885N167O164S8

DescriptionStandard

        MRQRLLPSVTSLLLVALLFPGSSQARHVNHSATEALGELRERAPGQGTNGFQLLRHAVKRDLLQPRTPPYQEPASDLKVVDCRRSEGFCQEYCNYMETQVGYCSKKKDACCLH
    

Molecular Weight12717.45 Da

Isoelectric Point (pI)8.84

Net Charge (pH 7.0)3.80

Net Charge (pH 7.4) 3.27

Charge Density (pH 7.0) 0.0337

GRAVY Index-0.49

Hydrophobic Moment 0.65

Boman Index-0.12

Instability Index53.75

Aliphatic Index 76.81

Aromaticity 0.0619

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 6335.00

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

Amino Acid Composition

TPSA 5353.01

LogP -58.61

H-bond Donors 191.0

H-bond Acceptors 180.0

Rotatable Bonds 421.0

Heavy Atoms 889.0

Ring Count 18.0

Amide Bonds 123.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0114475 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