Peptide Database

Peptide NameUnnamed

Function Ontology

Cardiovascular ▸ Blood pressure regulation ▸ Antihypertensive

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC40H59N7O7S

DescriptionStandard

        MPFLFK
    

Molecular Weight782.00 Da

Isoelectric Point (pI)8.50

Net Charge (pH 7.0)0.50

Net Charge (pH 7.4) 0.28

Charge Density (pH 7.0) 0.0832

GRAVY Index0.97

Hydrophobic Moment 0.42

Boman Index0.45

Instability Index88.62

Aliphatic Index 65.00

Aromaticity 0.3333

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 226.05

LogP 1.74

H-bond Donors 7.0

H-bond Acceptors 9.0

Rotatable Bonds 23.0

Heavy Atoms 55.0

Ring Count 3.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0012152 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antihypertensive ACE inhibitory

TargetAngiotensin-converting enzyme (ACE)

Activity92.4

PaperLiu R., Zhu Y., Chen J., Wu H., Shi L., Wang X., Wang L.. Characterization of ACE inhibitory peptides from Mactra veneriformis hydrolysate by nano-liquid chromatography electrospray ionization mass spectrometry (Nano-LC-ESI-MS) and molecular docking. Mar. Drugs, 12, 3917-3928, 2014. Evidence URLhttps://pmc.ncbi.nlm.nih.gov/articles/PMC4113806/

RECORD: Rec_0115940 VERIFIED: YES

Provenance & Taxonomy

OrganismMactra veneriformis [Animal]

FamilyAngiotensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetAngiotensin-converting enzyme

Activity92.4 μM

MethodIC50

RECORD: Rec_0272792 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory ACE inhibitory

TargetACE

Activity132.0 μM

MethodIC50