TPDB

3D PDB MODEL

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TPDB ID TPDB66767

Peptide_Name

dipeptidyl peptidase IV inhibitor (DPP IV inhibitor)

Activity

Antidiabetic

Activity_category_statistics

Cardiometabolic peptides

Database_Source

Peptipedia

Sequence_Type

standard

Has_Modification No

Description A 5-aa standard natural antidiabetic peptide sequence curated from Peptipedia, with an available 3D structural model.

Sequence

APLER

FASTA

>TPDB66767|Antidiabetic|length=5
APLER

Formula C25H44N8O8

Absent Amino Acids NDCQGHIKMFSTWYV

Common Amino Acids ARELP

Mass 584.67

PI 6.97

Basic Residues 1

Acidic Residues 1

Hydrophobic Residues 2

Net Charge -0

Boman Index 2.55

Hydrophobicity -0.800

Aliphatic Index 98.00

Half Life

Mammalian: 4.4 hour Yeast: >20 hour E.coli: >10 hour

Extinction Coefficient Cystines 0

Absorbance 280nm 0.00

Polar Residues 0

number

1

A

1

R

0

N

0

D

0

C

1

E

0

Q

0

G

0

H

0

I

1

L

0

K

0

M

0

F

1

P

0

S

0

T

0

W

0

Y

0

V

Amino Acid Distribution

A: 1 R: 1 N: 0 D: 0 C: 0 E: 1 Q: 0 G: 0 H: 0 I: 0 L: 1 K: 0 M: 0 F: 0 P: 1 S: 0 T: 0 W: 0 Y: 0 V: 0

Length

5

Formula

C25H44N8O8

Mass

584.67

PI

6.97

Net Charge

-0

Boman Index

2.55

Hydrophobicity

-0.800

Chemical_Mass

584.6639

Monoisotopic_Mass

584.3272

Evidence 1 Activity

Activity

Activity Endpoint IC50

Detail Source Activity Antidiabetic

Activity Measurement 63.67 µM

Function Inhibitor of Dipeptidyl Peptidase IV (EC 3.4.14.5) (MEROPS ID: S09.003)

Detail Activity dipeptidyl peptidase IV inhibitor

Activity Code dpp

Source & Reference

Database Source NA

Authors

Harnedy-Rothwell P. A., McLaughlin C. M., O’Keeffe M. B., le Gouic A. v., Allsopp P. J., McSorley E. M., Sharkey S., Whooley J., McGovern B., et al.

Title

Identification and characterisation of peptides from a boarfish (capros aper) protein hydrolysate displaying in vitro dipeptidyl peptidase-IV (DPP-IV) inhibitory and insulinotropic activity. Food Research International, 131, 108989, 2020

Year 2020

Literature Source Journal

Other

Number of Residues 5

Additional Info

BIOPEP-UWM database of bioactive peptides SMILES: N[C@@]([H])(C)C(=O)N1[C@@]([H])(CCC1)C(=O)N[C@@]([H])(CC(C)C)C(=O)N[C@@]([H])(CCC(=O)O)C(=O)N[C@@]([H])(CCCNC(=N)N)C(=O)O InChI=1S/C25H44N8O8/c1-13(2)12-17(32-22(38)18-7-5-11-33(18)23(39)14(3)26)21(37)30-15(8-9-19(34)35)20(36)31-16(24(40)41)6-4-10-29-25(27)28/h13-18H,4-12,26H2,1-3H3,(H,30,37)(H,31,36)(H,32,38)(H,34,35)(H,40,41)(H4,27,28,29)/t14-,15-,16-,17-,18-/m0/s1 InChIKey= UMLWLNLONSFUJR-ATIWLJMLSA-N

Number_of_Residues

5