MDH1 (1-334, His-tag) Human Protein

CAT#: AR09603PU-L

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MDH1 (1-334, His-tag) human recombinant protein, 0.5 mg



USD 845.00


Availability*
2 Weeks

Size
    • 500 ug


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Specifications

Product Data
Description MDH1 (1-334, His-tag) human recombinant protein, 0.5 mg
Species Human
Expression Host E. coli
Expression cDNA Clone or AA Sequence MSEPIRVLVT GAAGQIAYSL LYSIGNGSVF GKDQPIILVL LDITPMMGVL DGVLMELQDC ALPLLKDVIATDKEDVAFKD LDVAILVGSM PRREGMERKD LLKANVKIFK SQGAALDKYA KKSVKVIVVG NPANTNCLTA SKSAPSIPKE NFSCLTRLDH NRAKAQIALK LGVTANDVKN VIIWGNHSST QYPDVNHAKV KLQGKEVGVY EALKDDSWLK GEFVTTVQQR GAAVIKARKL SSAMSAAKAI CDHVRDIWFG TPEGEFVSMG VISDGNSYGV PDDLLYSFPV VIKNKTWKFV EGLPINDFSR EKMDLTAKEL TEEKESAFEF LSSALEHHHH HH
Tag His-tag
Predicted MW 37.4 kDa
Concentration 1.0 mg/ml (determined by Bradford assay)
Purity >95% by SDS-PAGE
Buffer Presentation State: Purified
State: Liquid purified protein
Buffer System: 20 mM Tris-HCl Buffer (pH 8.0) containing 10% Glycerol
Bioactivity Biological: Specific activity is > 8 units/mg, and is defined as the amount of enzyme that cleaves 1 umole of oxalacetate and beta-NADH to L-malate and beta-NAD per minute at pH 7.5 at 25°C (see "Protocols").
Preparation Liquid purified protein
Applications Protocol: Activity Assay
1. Prepare assay buffer into a suitable container and pre-chill on ice before use: The final concentrations are 100 mM Potassium phosphate, 0.13 mM beta-nicotinamide adenine dinucleotide, reduced form, 0.25 mM oxalacetic acid.
2. Add recombinant MDH protein with various concentrations (0.1ug, 0.5ug, 1ug) in assay buffer.
3. Mix by inversion, equilibrate to 1°C, and monitor at A340nm until the value is constant using a spectrophotometer.
4. Record the increase at A340nm for approximately 2 minutes.
Protein Description Recombinant human MDH1 protein, fused to His-tag at C-terminus, was expressed in E.coli and purified by using conventional chromatography.
Storage Store undiluted at 2-8°C for up to two weeks or (in aliquots) at -20°C or -70°C for longer.
Avoid repeated freezing and thawing.
Stability Shelf life: one year from despatch.
Reference Data
RefSeq NP_001186040
Locus ID 4190
Cytogenetics 2p15
Synonyms HEL-S-32; MDH-s; MDHA; MGC:1375; MOR2
Summary This gene encodes an enzyme that catalyzes the NAD/NADH-dependent, reversible oxidation of malate to oxaloacetate in many metabolic pathways, including the citric acid cycle. Two main isozymes are known to exist in eukaryotic cells: one is found in the mitochondrial matrix and the other in the cytoplasm. This gene encodes the cytosolic isozyme, which plays a key role in the malate-aspartate shuttle that allows malate to pass through the mitochondrial membrane to be transformed into oxaloacetate for further cellular processes. Alternatively spliced transcript variants have been found for this gene. A recent study showed that a C-terminally extended isoform is produced by use of an alternative in-frame translation termination codon via a stop codon readthrough mechanism, and that this isoform is localized in the peroxisomes. Pseudogenes have been identified on chromosomes X and 6. [provided by RefSeq, Feb 2016]
Protein Families Druggable Genome
Protein Pathways Citrate cycle (TCA cycle), Glyoxylate and dicarboxylate metabolism, Metabolic pathways, Pyruvate metabolism

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