Peptide Database

Peptide NamePectinesterase pectinesterase inhibitor 18 (AtPMEpcrA) [Cleaved into: Pectinesterase inhibitor 18 (Pectin methylesterase inhibitor 18); Bifunctional pectinesterase 18 rRNA N-glycosylase (PE 18) (EC 3.1.1.11) (EC 3.2.2.22) (Pectin methylesterase 18) (Pectin methylesterase 4) (AtPME4) (Ribosome-inactivating protein)]

Function Ontology

Antimicrobial

Antimicrobial ▸ Antifungal

Enzyme / Catalytic activity ▸ Hydrolase

Enzyme modulation ▸ Enzyme inhibition ▸ Protein Synthesis Inhibitor

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Defense peptide

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

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length557 amino acids

Chemical FormulaC2734H4343N751O828S22

DescriptionStandard

        MSNSNQPLLSKPKSLKHKNLCLVLSFVAILGSVAFFTAQLISVNTNNNDDSLLTTSQICHGAHDQDSCQALLSEFTTLSLSKLNRLDLLHVFLKNSVWRLESTMTMVSEARIRSNGVRDKAGFADCEEMMDVSKDRMMSSMEELRGGNYNLESYSNVHTWLSSVLTNYMTCLESISDVSVNSKQIVKPQLEDLVSRARVALAIFVSVLPARDDLKMIISNRFPSWLTALDRKLLESSPKTLKVTANVVVAKDGTGKFKTVNEAVAAAPENSNTRYVIYVKKGVYKETIDIGKKKKNLMLVGDGKDATIITGSLNVIDGSTTFRSATVAANGDGFMAQDIWFQNTAGPAKHQAVALRVSADQTVINRCRIDAYQDTLYTHTLRQFYRDSYITGTVDFIFGNSAVVFQNCDIVARNPGAGQKNMLTAQGREDQNQNTAISIQKCKITASSDLAPVKGSVKTFLGRPWKLYSRTVIMQSFIDNHIDPAGWFPWDGEFALSTLYYGEYANTGPGADTSKRVNWKGFKVIKDSKEAEQFTVAKLIQGGLWLKPTGVTFQEWL
    

Molecular Weight61686.69 Da

Isoelectric Point (pI)8.94

Net Charge (pH 7.0)9.16

Net Charge (pH 7.4) 8.29

Charge Density (pH 7.0) 0.0164

GRAVY Index-0.20

Hydrophobic Moment 0.67

Boman Index0.02

Instability Index26.67

Aliphatic Index 86.64

Aromaticity 0.0844

Extinction Coeff. Reduced 75860.00

Extinction Coeff. Oxidized 76360.00

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

Amino Acid Composition

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0186927 VERIFIED: YES

Provenance & Taxonomy

OrganismArabidopsis thaliana [Plant]

FamilyPMEI; Pectinesterase

Tax ID3702

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antifungal Defense peptide Aspartyl esterase Hydrolase Protein Synthesis Inhibitor Toxin Non-hemolytic

TargetNo Target Organism Found