TPDB

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber.

TPDB ID TPDB48069

Peptide_Name

ACE inhibitor from kappa-CN (95-98)

Activity

ACE inhibitors Antihypertensive

Activity_category_statistics

Cardiometabolic peptides

Database_Source

Peptipedia AHTPDB AHTpin

Sequence_Type

standard

Has_Modification No

Description A 4-aa standard natural multi-activity (ACE inhibitors and Antihypertensive) peptide sequence curated from Peptipedia, AHTPDB, and AHTpin, with an available 3D structural model.

Sequence

AIPP

FASTA

>TPDB48069|ACE inhibitors;Antihypertensive|length=4
AIPP

Formula C19H32N4O5

Absent Amino Acids RNDCEQGHLKMFSTWYV

Common Amino Acids P

Mass 396.49

PI 6.02

Basic Residues 0

Acidic Residues 0

Hydrophobic Residues 2

Net Charge -0

Boman Index 0.42

Hydrophobicity 0.775

Aliphatic Index 122.50

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

0

R

0

N

0

D

0

C

0

E

0

Q

0

G

0

H

1

I

0

L

0

K

0

M

0

F

2

P

0

S

0

T

0

W

0

Y

0

V

Amino Acid Distribution

A: 1 R: 0 N: 0 D: 0 C: 0 E: 0 Q: 0 G: 0 H: 0 I: 1 L: 0 K: 0 M: 0 F: 0 P: 2 S: 0 T: 0 W: 0 Y: 0 V: 0

Length

4

Formula

C19H32N4O5

Mass

396.49

PI

6.02

Net Charge

-0

Boman Index

0.42

Hydrophobicity

0.775

Chemical_Mass

396.4799

Monoisotopic_Mass

396.2365

Evidence 1 Activity

Activity

Activity Endpoint IC50

Detail Source Activity ACE inhibitors

Activity Measurement 900.00 µM

Function Inhibitor of Angiotensin-Converting Enzyme (ACE) (EC 3.4.15.1) (MEROPS ID: M02-001)

Detail Activity ACE inhibitor

Activity Code ah

Source & Reference

Database Source NA

Authors Kohmura M., Nio N., Ariyoshi Y.

Title

Inhibition of angiotensin-converting enzyme by synthetic peptide fragments of human kappa-casein. Agric. Biol. Chem., 54, 835-836, 1990

Year 1990

Literature Source Journal

Other

Number of Residues 4

Additional Info

BIOPEP-UWM database of bioactive peptide SMILES: N[C@@]([H])(C)C(=O)N[C@@]([H])([C@]([H])(CC)C)C(=O)N1[C@@]([H])(CCC1)C(=O)N1[C@@]([H])(CCC1)C(=O)O InChI=1S/C19H32N4O5/c1-4-11(2)15(21-16(24)12(3)20)18(26)22-9-5-7-13(22)17(25)23-10-6-8-14(23)19(27)28/h11-15H,4-10,20H2,1-3H3,(H,21,24)(H,27,28)/t11-,12-,13-,14-,15-/m0/s1 InChIKey=JERNPSGLJQTLQT-YTFOTSKYSA-N

Evidence 2 Activity

Activity

Activity Endpoint IC50

Detail Source Activity Antihypertensive

Activity Measurement 900.00 µM

Function Inhibitor of Angiotensin-Converting Enzyme (ACE) (EC 3.4.15.1) (MEROPS ID: M02-001)

Detail Activity ACE inhibitor

Activity Code ah

Source & Reference

Database Source AHTPDB

Authors Kohmura M., Nio N., Ariyoshi Y.

Title

Inhibition of angiotensin-converting enzyme by synthetic peptide fragments of human kappa-casein. Agric. Biol. Chem., 54, 835-836, 1990

Year 1990

Literature Source Journal

Other

Source Activity Label	Source Definition
Antihypertensive	AHTPDB manually curated experimentally validated antihypertensive peptide annotation.

Number of Residues 4

Additional Info

BIOPEP-UWM database of bioactive peptide SMILES: N[C@@]([H])(C)C(=O)N[C@@]([H])([C@]([H])(CC)C)C(=O)N1[C@@]([H])(CCC1)C(=O)N1[C@@]([H])(CCC1)C(=O)O InChI=1S/C19H32N4O5/c1-4-11(2)15(21-16(24)12(3)20)18(26)22-9-5-7-13(22)17(25)23-10-6-8-14(23)19(27)28/h11-15H,4-10,20H2,1-3H3,(H,21,24)(H,27,28)/t11-,12-,13-,14-,15-/m0/s1 InChIKey=JERNPSGLJQTLQT-YTFOTSKYSA-N

Number_of_Residues

4