Peptide Database

Peptide NameGomesin c(1-18)[Gln1]

Function Ontology

Anticancer

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Antiparasitic ▸ Antimalarial

Antiparasitic ▸ General antiparasitic ▸ Antiparasitic

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Host defense activity

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Venom / Toxin ▸ General toxin ▸ Toxic

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC93H158N36O24S4

DescriptionStandard

        QCRRLCYKQRCVTYCRGR
    

Molecular Weight2292.74 Da

Isoelectric Point (pI)9.93

Net Charge (pH 7.0)5.72

Net Charge (pH 7.4) 5.45

Charge Density (pH 7.0) 0.3176

GRAVY Index-1.06

Hydrophobic Moment 0.47

Boman Index-0.64

Instability Index36.59

Aliphatic Index 37.78

Aromaticity 0.1111

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1040.41

LogP -12.05

H-bond Donors 44.0

H-bond Acceptors 34.0

Rotatable Bonds 77.0

Heavy Atoms 157.0

Ring Count 2.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0153353 VERIFIED: YES

Provenance & Taxonomy

OrganismAcanthoscurria gomesiana [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

C-TermAmidation

Disulfide2-15, 6-11

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Antifungal Antiparasitic Antimalarial Antic

TargetNectria haematococca

Activity0.2-0.4 μM

MethodMIC

PaperIsolation and characterization of gomesin, an 18-residue cysteine-rich defense peptide from the spider Acanthoscurria gomesiana hemocytes with sequence similarities to horseshoe crab antimicrobial peptides of the tachyplesin family. J Biol Chem. 2000 Oct 27;275(43):33464-70. doi: 10.1074/jbc.M001491200. PMID: 10942757. PMID10942757 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/10942757/

RECORD: Rec_0159178 VERIFIED: YES

Provenance & Taxonomy

OrganismAcanthoscurria gomesiana [Animal]

FamilyTachyplesin

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Bio-Activity Profile

Function

Antimicrobial Antifungal Anticancer Antiparasitic

Targetram- A. tumefaciens, Escherichia coli 1106, Escherichia coli D22, Escherichia coli D31, Escherichia coli SBS363, E. carolovora carolovora, Enterobacter cloacae b12, Klebsiella pneumoniae, Pseudomonas aeruginosa, S. thyphinurium, X. campestris

Activity0.4-6.2 μM

MethodMIC

RECORD: Rec_0160356 VERIFIED: YES

Provenance & Taxonomy

OrganismAcanthoscurria gomesiana [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

C-TermAmidation

Disulfide2-15, 6-11

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Antifungal Antiparasitic Antimalarial Antic

TargetPseudomonas aeruginosa

Activity1.6-3.15 μM

MethodMIC

PaperIsolation and characterization of gomesin, an 18-residue cysteine-rich defense peptide from the spider Acanthoscurria gomesiana hemocytes with sequence similarities to horseshoe crab antimicrobial peptides of the tachyplesin family. J Biol Chem. 2000 Oct 27;275(43):33464-70. doi: 10.1074/jbc.M001491200. PMID: 10942757. PMID10942757 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/10942757/

RECORD: Rec_0171594 VERIFIED: YES

Provenance & Taxonomy

OrganismAcanthoscurria gomesiana [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

C-TermAmidation

Disulfide2-15, 6-11

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Antifungal Antiparasitic Antimalarial Antic

TargetMicrococcus luteus

Activity0.4-0.8 μM

MethodMIC

PaperIsolation and characterization of gomesin, an 18-residue cysteine-rich defense peptide from the spider Acanthoscurria gomesiana hemocytes with sequence similarities to horseshoe crab antimicrobial peptides of the tachyplesin family. J Biol Chem. 2000 Oct 27;275(43):33464-70. doi: 10.1074/jbc.M001491200. PMID: 10942757. PMID10942757 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/10942757/

RECORD: Rec_0179116 VERIFIED: YES

Provenance & Taxonomy

OrganismAcanthoscurria gomesiana [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

C-TermAmidation

Disulfide2-15, 6-11

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Antifungal Antiparasitic Antimalarial Antic

Targets: Candida albicans

Activity0.15-0.3 μM

MethodMIC

PaperIsolation and characterization of gomesin, an 18-residue cysteine-rich defense peptide from the spider Acanthoscurria gomesiana hemocytes with sequence similarities to horseshoe crab antimicrobial peptides of the tachyplesin family. J Biol Chem. 2000 Oct 27;275(43):33464-70. doi: 10.1074/jbc.M001491200. PMID: 10942757. PMID10942757 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/10942757/

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