추천 제품
애플리케이션
Apotryptophanase is used for the quantitative determination of pyridoxal-phosphate. Apotryptophanase, from Sigma, has been used to study pregnancy-associated PLP deficiency and vitamin B-6 deficiency .
생화학적/생리학적 작용
Apotryptophanase hydrolizes tryptophan and is capable of catalyzing α,β-elimination reactions with a number of substituted amino acids, including S-methyl-, S-ethyl- and S-benzyl- L-cysteine. DTNB inactivates tryptophanase .
단위 정의
One unit releases one μg of indole from L-tryptophan in 10 min at pH 8.3 at 37 °C in the presence of 0.04 mM pyridoxal-5′--phosphate.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
가장 최신 버전 중 하나를 선택하세요:
Birgit Seidelt et al.
Science (New York, N.Y.), 326(5958), 1412-1415 (2009-11-26)
Expression of the Escherichia coli tryptophanase operon depends on ribosome stalling during translation of the upstream TnaC leader peptide, a process for which interactions between the TnaC nascent chain and the ribosomal exit tunnel are critical. We determined a 5.8
Elzbieta Winnicka et al.
Isotopes in environmental and health studies, 46(2), 225-232 (2010-06-29)
The kinetic and solvent deuterium isotope effects in the 4- and 5-positions of the indole ring on the enzymatic decomposition of l-tryptophan catalysed by the enzyme TPase (EC. 4.1.99.1) were determined. The isotope effects were investigated by the non-competitive method
Zuzana Zubáčová et al.
Molecular and biochemical parasitology, 176(2), 135-137 (2011-01-05)
The highly repetitive nature of the Trichomonas vaginalis genome and massive expansion of various gene families has caused difficulties in genome assembly and has hampered genome mapping. Here, we adapted fluorescence in situ hybridization (FISH) for T. vaginalis, which is
Takako Sasaki-Imamura et al.
Applied and environmental microbiology, 76(13), 4260-4268 (2010-05-18)
The l-tryptophan degradation product indole is a purported extracellular signaling molecule that influences biofilm formation in various bacteria. Here we analyzed the mechanisms of indole production in Fusobacterium nucleatum and the effects of tryptophan and indole on F. nucleatum planktonic
Nicholas S Wigginton et al.
Environmental science & technology, 44(6), 2163-2168 (2010-02-18)
Here we describe results from a proteomic study of protein-nanoparticle interactions to further the understanding of the ecotoxicological impact of silver nanoparticles (AgNPs) in the environment. We identified a number of proteins from Escherichia coli that bind specifically to bare
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