A6680
N-Acetylneuraminic Acid Aldolase from microorganisms
lyophilized powder, ≥20 units/mg protein (biuret)
別名:
N-Acetylneuraminate Pyruvate Lyase, N-Acetylneuraminic Acid Lyase, NANA Aldolase, Sialic Aldolase
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25 UNITS
￥148,000
￥148,000
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25 UNITS
￥148,000
About This Item
CAS番号:
Beilstein:
2697172
MDL番号:
UNSPSCコード:
12352204
NACRES:
NA.32
￥148,000
Check Cart for Availability
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フォーム
lyophilized powder
比活性
≥20 units/mg protein (biuret)
分子量
~98 kDa
保管温度
−20°C
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アプリケーション
This enzyme is useful for enzymatic determination of N-acetylneuraminic acid and sialic acid when
coupled with the related enzymes in clinical analysis.
For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.
coupled with the related enzymes in clinical analysis.
For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.
Used in the Sialic Acid Quantification Kit, SIALIC-Q
物性
Isoelectric point: 4.6 ± 0.1
Michaelis constant: 2.5 x 10‾3M (N-Acetylneuraminic acid)
Structure: 3 subunits (approx. 35,000) per mol of enzyme
Inhibitors: p-Chloromercuribenzoate, sodium dodecyl sulfact, Hg++, Ag+
Optimum pH: 7.5– 8.0
Optimum temp: 70°C
pH Stability: pH 6.0–9.0 (10°C, 25hr)
Thermal stability: Below 65°C (pH 7.5, 30 min)
Michaelis constant: 2.5 x 10‾3M (N-Acetylneuraminic acid)
Structure: 3 subunits (approx. 35,000) per mol of enzyme
Inhibitors: p-Chloromercuribenzoate, sodium dodecyl sulfact, Hg++, Ag+
Optimum pH: 7.5– 8.0
Optimum temp: 70°C
pH Stability: pH 6.0–9.0 (10°C, 25hr)
Thermal stability: Below 65°C (pH 7.5, 30 min)
単位の定義
1 unitは、pH 7.7、37°C、1分間に、1.0 μmolのピルビン酸をNANAから遊離させる酵素量です。
物理的形状
凍結乾燥品(リン酸カリウムバッファ-塩を含有)
保管分類コード
10 - Combustible liquids
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
個人用保護具 (PPE)
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
Jan Code
A6680-BULK:
A6680-VAR:
A6680-25UN:
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Ivan Campeotto et al.
Journal of molecular biology, 404(1), 56-69 (2010-09-10)
The substrate specificity of Escherichia coli N-acetylneuraminic acid lyase was previously switched from the natural condensation of pyruvate with N-acetylmannosamine, yielding N-acetylneuraminic acid, to the aldol condensation generating N-alkylcarboxamide analogues of N-acetylneuraminic acid. This was achieved by a single mutation
Jacqueline Vogel-Scheel et al.
Applied and environmental microbiology, 76(15), 5181-5187 (2010-06-22)
To study the adaptation of an intestinal bacterium to its natural environment, germfree mice were associated with commensal Escherichia coli MG1655. Two-dimensional gel electrophoresis was used to identify proteins differentially expressed in E. coli MG1655 collected from either cecal contents
Chung-Hsien Cheng et al.
Microbial cell factories, 9, 63-63 (2010-08-31)
Overexpression of recombinant proteins usually triggers the induction of heat shock proteins that regulate aggregation and solubility of the overexpressed protein. The two-dimensional gel electrophoresis (2-DE)-mass spectrometry approach was used to profile the proteome of Escherichia coli overexpressing N-acetyl-D-glucosamine 2-epimerase
Sean R A Devenish et al.
Biochemical and biophysical research communications, 388(1), 107-111 (2009-08-04)
As part of a general study into the impact of quaternary structure on enzyme function, a library of 31 point mutations were engineered at the dimer-dimer interface of the homotetrameric (beta/alpha)(8)-barrel protein, N-acetylneuraminate lyase (NAL, EC 4.1.3.3). Disruption of the
Yinan Zhang et al.
Applied microbiology and biotechnology, 86(2), 481-489 (2009-11-06)
N-acetyl-D-neuraminic acid (Neu5Ac) is a precursor for producing many pharmaceutical drugs such as zanamivir which have been used in clinical trials to treat and prevent the infection with influenza virus, such as the avian influenza virus H5N1 and the current
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