α-Methyl-DL -tryptophan crystalline Sigma M8377
Biochem/physiol Actions α-methyl-DL-tryptophan is a blocker of ATBo, an amino acid transporter whose expression is upregulated in cancer. ..
α-Methyl-DL -tyrosine methyl ester hydrochloride ≥98% (HPLC) Sigma M3281
Biochem/physiol Actions Tyrosine hydroxylase inhibitor. Packaging 1, 5 g in poly bottle ..
α-Methylnorepinephrine ≥95% (HPLC) Sigma SML0675
Biochem/physiol Actions α-Methylnorepinephrine is a sympathomimetic amine and vasoconstrictor. α-Methylnorepinephrine is used clinically in dentistry in local anesthetic solutions. ..
α-Methylserotonin maleate salt ≥98% (HPLC) Sigma M110
Biochem/physiol Actions 5-HT2 serotonin receptor agonist. Features and Benefits This compound is also offered as part of Sigma&#..
α-Naphthyl Acetate (Non-Specific Esterase) Kit formulated with all liquid reagents. Sigma 91A
Application Esterases are ubiquitous in nature and encompass a series of different enzymes acting upon select substrates. According to the methodology, α-naphthyl acetate is enzymatically hydrolyzed, liberating a f..
α-Naphthyl Acetate (Non-Specific Esterase) Select reagents packaged in gelatin capsules. Sigma 90A1
Application Esterases are ubiquitous in nature and encompass a series of different enzymes acting upon select substrates. According to the methodology, α-naphthyl acetate is enzymatically hydrolyzed, liberating a f..
α-Naphthyl Butyrate Esterase, Lymphocyte Sigma 181B
Diagnostic Implications Demonstration of lymphocyte staining patterns may indicate specific stages of maturation arrest associated with certain lymphoproliferative disorders. Gene..
α-Naphthyl Butyrate solution Sigma 1801
Application Intended for use in the Sigma α-Butyrate Esterase kit, procedure 181B Packaging 2.4g/L alpha-naphthyl butyrate..
α-Nicotinamide adenine dinucleotide from Saccharomyces cerevisiae, <1% β-isomer, ≥95% Sigma N6754
Caution This is not the common NAD required in the usual enzyme systems. Other Notes α analog of β-NAD ..
α-Nicotinamide adenine dinucleotide, reduced disodium salt ≥90% Sigma N6879
Caution This is not the common NADH required in the usual enzyme systems. Other Notes Analog of β-NADH, chemically reduced ..
α-Phenyl tropolone ≥98% (HPLC) Sigma SML0920
Biochem/physiol Actions α-Phenyl tropolone is a very potent inhibitor of the hisotne deacetylases HDAC2 and HDAC8 (Ki = 0.26 and 1.09 nM, respectively). The compound, α-Phenyl tropolone, does not affect other ..
α-Pompilidotoxin >98% Sigma P6237
Amino Acid Sequence Arg-Ile-Lys-Ile-Gly-Leu-Phe-Asp-Gln-Leu-Ser-Lys-Leu Biochem/physiol Actions Voltage-gated sodium channel act..
α-Thymidine Sigma T3763
Other Notes Unnatural epimer Packaging 1 g in poly bottle 100 mg in poly..
α5IA ≥98% (HPLC) Sigma A2734
Biochem/physiol Actions α5IA is a selective inverse agonist for Α5 subtype of GABAA receptor with a higher intrinsic activity at the A5 subtype than other drugs. α5IA enhances cognition in laboratory anim..
α1-Acid Glycoprotein from bovine plasma 99% Sigma G3643
Packaging 25, 100, 250 mg in poly bottle Application α1-Acid glycoprotein was used to study nonviral gene delivery to the l..