An uncompetitive inhibitor of alkaline phosphatases
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L-Homoarginine (hydrochloride)

Item No. 22285

Technical Information
Formal Name
N6-(aminoiminomethyl)-L-lysine, monohydrochloride
CAS Number
1483-01-8
Synonyms
  • NSC 145416
Molecular Formula
C7H16N4O2 • HCl
Formula Weight
Purity
≥95%
A crystalline solid
PBS (pH 7.2): 10 mg/ml
SMILES
NC(NCCCC[C@H](N)C(O)=O)=N.Cl
InChi Code
InChI=1S/C7H16N4O2.ClH/c8-5(6(12)13)3-1-2-4-11-7(9)10;/h5H,1-4,8H2,(H,12,13)(H4,9,10,11);1H/t5-;/m0./s1
InChi Key
YMKBVNVCKUYUDM-JEDNCBNOSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    L-Homoarginine is an uncompetitive and organ-specific inhibitor of alkaline phosphatases.1 This non-essential amino acid inhibits human bone and liver alkaline phosphatases but has no effect on placental or intestinal isoenzymes. In vitro, L-homoarginine inhibits [3H]thymidine uptake by mouse myeloma MOPC 104E cells and inhibits proliferation of C3H/He mouse osteosarcoma cells.2 Pre-treatment with L-homoarginine delays in vivo tumor growth in a murine C3H/He osteosarcoma model. It also inhibits high-protein diet-induced pancreatic growth and enzyme secretion in bile-pancreatic juice-diverted rats, a model for the induction of pancreatic enzyme secretion with hypercholecystokininemia.3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Lin, C.W., and Fishman, W.H. L-Homoarginine. An organ-specific, uncompetitive inhibitor of human liver and bone alkaline phosphohydrolases. The Journal of Biological Chemisty 247(10), 3082-3087 (1972).

    2. Kikuchi, Y., Takagi, M., Parmley, R.T., et alInhibitory effect of L-homoarginine on murine osteosarcoma cell proliferation. Cancer Res. 42(3), 1072-1077 (1982).

    3. Hira, T., Ohyama, S., and Hara, H. L-homoarginine suppresses exocrine pancreas in rats. Amino Acids 24(4), 389-396 (2003).