Peptide Database

Peptide NameLantibiotic streptin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

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

Standard StatusStandard

Sequence Length46 amino acids

Chemical FormulaC229H371N59O69S4

DescriptionStandard

        MKNTIKDFDLDLKTTKNNSAEPLVGSRYLCTPGSCWKLVCFTTTIK
    

Molecular Weight5183.01 Da

Isoelectric Point (pI)8.96

Net Charge (pH 7.0)2.47

Net Charge (pH 7.4) 2.20

Charge Density (pH 7.0) 0.0537

GRAVY Index-0.28

Hydrophobic Moment 0.46

Boman Index-0.03

Instability Index25.81

Aliphatic Index 74.13

Aromaticity 0.0870

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 2090.05

LogP -21.56

H-bond Donors 76.0

H-bond Acceptors 76.0

Rotatable Bonds 172.0

Heavy Atoms 361.0

Ring Count 7.0

Amide Bonds 48.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0072537 VERIFIED: NO

Provenance & Taxonomy

OrganismStreptococcus merionis [Bacterium]

FamilyLantibiotic

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibiotic Bacteriocin Lantibiotic Non-hemolytic Non-ribosomal