A6778
Angiotensin Converting Enzyme from rabbit lung
≥2.0 units/mg protein (modified Warburg-Christian)
Synonym(s):
ACE, Peptidyl-dipeptidase A, Peptidyldipeptide Hydrolase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
eCl@ss:
42010109
NACRES:
NA.32
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form
lyophilized powder
Quality Level
specific activity
≥2.0 units/mg protein (modified Warburg-Christian)
shipped in
dry ice
storage temp.
−20°C
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General description
The angiotensin-converting enzyme (ACE) is a dipeptidyl-carboxypeptidase which exists in somatic and testicular isoforms with zinc binding motif HEXXH in their active site. ACE regulates blood pressure through renin-angiotensin system. ACE elevates blood pressure by converting angiotensin I to a key vasoconstrictor angiotensin II and inhibiting a potent vasodilator bradykinin. Inhibition of ACE is a targeted therapeutic strategy for high blood pressure. Several ACE synthetic inhibitory peptides available for clinical use include captopril, enalapril and lisinopril. Currently, developing inhibitory peptides from natural food sources, or phenolic compounds from plant sources to inhibit ACE is underway. ACE plays a critical role in fertilization by releasing the proteins anchored to glycosylphosphatidylinositol (GPI) in sperm membrane.
Application
Angiotensin converting enzyme from rabbit lung has been used:
- for measuring inhibitory effect of egg white protein hydrolysates on ACE activity by high performance liquid chromatography (HPLC)
- to measure the ACE inhibition by litchi pericarp and cooked chicken breast using hippuryl-L-histidyl-L-leucine (HHL) as substrate by reverse phase-HPLC (RP-HPLC)3 and HPLC respectively
- in releasing GPI anchored protein in vitro in few cell lines like HeLa, HEK293 and in vivo in mice sperm.
Biochem/physiol Actions
Removes C-terminal dipeptides from susceptible substrates, e.g., angiotensin I and bradykinin.
Quality
May contain traces of sodium chloride.
Unit Definition
One unit will produce 1.0 μmole of hippuric acid from Hippuryl-His-Leu per min in 50 mM HEPES and 300 mM NaCl at pH 8.3 at 37 °C.
inhibitor
Product No.
Description
Pricing
substrate
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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