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2. Arginine - Wikipedia

   en.wikipedia.org/wiki/Arginine

   Arginine is the amino acid with the formula (H 2 N)(HN)CN(H)(CH 2) 3 CH(NH 2)CO 2 H. The molecule features a guanidino group appended to a standard amino acid framework. At physiological pH, the carboxylic acid is deprotonated (−CO 2 −) and both the amino and guanidino groups are protonated, resulting in a cation.

3. Arginine deiminase - Wikipedia

   en.wikipedia.org/wiki/Arginine_deiminase

   In enzymology, an arginine deiminase (EC 3.5.3.6) is an enzyme that catalyzes the chemical reaction L -arginine + H 2 O ⇌ {\displaystyle \rightleftharpoons } L -citrulline + NH 3 Thus, the two substrates of this enzyme are L -arginine and H 2 O , whereas its two products are L -citrulline and NH 3 .

4. Homoarginine - Wikipedia

   en.wikipedia.org/wiki/Homoarginine

   It is structurally equivalent to a one-methylene group-higher homolog of arginine and to the guanidino derivative of lysine. L -Homoarginine is the naturally-occurring enantiomer . Physiologically , homoarginine increases nitric oxide (NO) supply and betters endothelial functions in the body, with a particular correlation and effect towards ...

5. Tadalafil: Your Ultimate Guide to Dosages, Side Effects & More

   www.aol.com/tadalafil-ultimate-guide-dosages...

   A 2003 study found that a combination of L-arginine and pycnogenol (a type of bark from the Pinus pinaster tree) helped men affected by ED regain normal performance over the course of several ...

6. Your ED Pill Guide: Everything You Need to Know Before ... - AOL

   www.aol.com/ed-pill-guide-everything-know...

   A 2003 study found that a combination of L-arginine and pycnogenol (a type of bark from the Pinus pinaster tree) helped men affected by ED regain normal performance over the course of several ...

7. Arginine decarboxylase - Wikipedia

   en.wikipedia.org/wiki/Arginine_decarboxylase

   The enzyme Acid-Induced Arginine Decarboxylase (AdiA) (EC 4.1.1.19), also commonly referred to as arginine decarboxylase, catalyzes the conversion of L-arginine into agmatine and carbon dioxide. The process consumes a proton in the decarboxylation and employs a pyridoxal-5'-phosphate (PLP) cofactor , similar to other enzymes involved in amino ...