Nicotinate phosphoribosyltransferase (NAPRT), partial, human, recombinant

Organism: Homo sapiens (Human). Source: Yeast. Expression Region: 229-538aa. Protein Length: Partial. Tag Info: N-terminal 6xHis-tagged. Target Protein Sequence: MLAPAAGEGP GVDLAAKAQV WLEQVCAHLG LGVQEPHPGE RAAFVAYALA FPRAFQGLLD TYSVWRSGLP NFLAVALALG ELGYRAVGVR LDSGDLLQQA QEIRKVFRAA AAQFQVPWLE SVLIVVSNNI DEEALARLAQ EGSEVNVIGI GTSVVTCPQQ PSLGGVYKLV AVGGQPRMKL TEDPEKQTLP GSKAAFRLLG SDGSPLMDML QLAEEPVPQA GQELRVWPPG AQEPCTVRPA QVEPLLRLCL QQGQLCEPLP SLAESRALAQ LSLSRLSPEH RRLRSPAQYQ VVLSERLQAL VNSLCAGQSP. Purity: Greater than 90% as determined by SDS-PAGE. Endotoxin: Not test. Biological Activity: n/a. Form: Liquid or Lyophilized powder. Buffer: If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0. Reconstitution: We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20 °C/-80 °C. Our default final concentration of glycerol is 50%. Customers could use it as reference. Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20 °C/-80 °C. The shelf life of lyophilized form is 12 months at -20 °C/-80 °C. Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4 °C for up to one week. Relevance: Catalyzes the conversion of nicotinic acid (NA) to NA mononucleotide (NaMN). Essential for NA to increase cellular NAD levels and prevent oxidative stress of the cells. Reference: Elevation of cellular NAD levels by nicotinic acid and involvement of nicotinic acid phosphoribosyltransferase in human cells.Hara N., Yamada K., Shibata T., Osago H., Hashimoto T., Tsuchiya M.J. Biol. Chem. 282:24574-24582(2007). Function: Catalyzes the conversion of nicotinic acid (NA) to NA mononucleotide (NaMN). Essential for NA to increase cellular NAD levels and prevent oxidative stress of the cells.