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  • 產品名稱:重組體人蘋果酸脫氫酶2蛋白

  • 產品型號:rHuME2
  • 產品廠商:KALANG
  • 產品文檔:
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簡單介紹:
重組體人蘋果酸脫氫酶2蛋白與其它公司提供的重組蛋白不同,rHuME2蛋白產品為采用CFS的無細胞麥胚蛋白合成系統表達出來的重組蛋白,可表達出對細胞有毒性、易被蛋白酶降解的蛋白;并獲得具有良好的可溶性,并有翻譯后修飾、從而部分具有功能的蛋白.同時獨有的全自動蛋白純化技術則簡便高效,將蛋白純化過程中對蛋白的損傷降低到*小程度.重組體人蘋果酸脫氫酶2蛋白(全長序列)產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.
詳情介紹:

重組體人蘋果酸脫氫酶2蛋白

Synonyms NAD-dependent Malic Enzyme, Mitochondrial, NAD-ME
Species Human
Accession P23368
GeneID 4200
Source 重組體人蘋果酸脫氫酶2蛋白Escherichia coli.
Molecular Weight Approximately 64.4 kDa, a single non-glycosylated polypeptide chain containing 573 amino acids with 6 × His at C-terminus.
Quantity 5μg/25μg/1000μg
AA Sequence 重組體人蘋果酸脫氫酶2蛋白MLHIKEKGKP LMLNPRTNKG MAFTLQERQM LGLQGLLPPK IETQDIQALR FHRNLKKMTS PLEKYIYIMG IQERNEKLFY RILQDDIESL MPIVYTPTVG LACSQYGHIF RRPKGLFISI SDRGHVRSIV DNWPENHVKA VVVTDGERIL GLGDLGVYGM GIPVGKLCLY TACAGIRPDR CLPVCIDVGT DNIALLKDPF YMGLYQKRDR TQQYDDLIDE FMKAITDRYG RNTLIQFEDF GNHNAFRFLR KYREKYCTFN DDIQGTAAVA LAGLLAAQKV ISKPISEHKI LFLGAGEAAL GIANLIVMSM VENGLSEQEA QKKIWMFDKY GLLVKGRKAK IDSYQEPFTH SAPESIPDTF EDAVNILKPS TIIGVAGAGR LFTPDVIRAM ASINERPVIF ALSNPTAQAE CTAEEAYTLT EGRCLFASGS PFGPVKLTDG RVFTPGQGNN VYIFPGVALA VILCNTRHIS DSVFLEAAKA LTSQLTDEEL AQGRLYPPLA NIQEVSINIA IKVTEYLYAN KMAFRYPEPE DKAKYVKERT WRSEYDSLLP DVYEWPESAS SPPVITEHHH HHH
Purity > 95 % by SDS-PAGE and HPLC analyses.
Biological Activity 重組體人蘋果酸脫氫酶2蛋白Malic Enzyme activity was assayed spectrophotometrically at 340nm as described in Mandela and Sauer (1975). The standard reaction mixture contained 50 mM Tris-HCl, 3 mM MnCl2, 5 mM malate, 0.12 mM NADP+, 2.5 mM fumarate. Assay was performed in a Beckman spectrophotometer. The Km value is 1.5 ± 0.6 mM.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin Less than 1 EU/μg of rHuME2, His as determined by LAL method.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重組體人蘋果酸脫氫酶2蛋白
Reference 1. Cousins AB, Badger MR, von Caemmerer S. 2008. J Exp Bot, 59: 1695-703.
2. Murmu JandRaghavendra AS. 2005. J Plant Physiol, 162: 1095-102.
3. Murmu J, Chinthapalli B, Raghavendra AS. 2003. J Exp Bot, 54: 2661-8.
4. Hill S, Winning B, Jenner H, et al. 1996. Biochem Soc Trans, 24: 743-6.
Background NAD-dependent malic enzyme (ME2), mitochondrial is a protein that in humans is encoded by the ME2 gene. This gene encodes a mitochondrial NAD-dependent malic enzyme, a homotetrameric protein, which catalyzes the oxidative decarboxylation of malate to pyruvate. Three different isoforms of ME are known to be in mammalian tissues: a strictly cytosolic NADP+-dependent enzyme, an NADP+-dependent mitochondriail isoform, and a mitochondrial isoenzyme that is able to use both NAD+ and NADP+ but is more effective with NAD+. The mammalian isoforms size is about 62-64 kDa. A native size of 240,000 Da proposes a tetrameric structure for the active enzyme.

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