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pMD18-T Simple Vector is a high-efficiency TA cloning vector constructed from pUC18, of which the initial multiple cloning sites (MCS) were destroyed. Thus the cDNA should be amplified by PCR with primers containing a restriction site for subclone. Competent cells appropriate for pUC18 are also appropriated for the Vector, e.g. JM109, DH5α, TOP10. The pMD18-T Simple Vector is 2.6kb in size. Selection of the plasmid in E. coli is conferred by the ampicillin resistance gene. The coding sequence was inserted by TA cloning at site 425.
The coding sequence can be amplified by PCR with M13-47 and RV-M primers.
|Mouse ARSA ORF mammalian expression plasmid, C-GFPSpark tag||MG50018-ACG|
|Mouse ARSA ORF mammalian expression plasmid, C-OFPSpark / RFP tag||MG50018-ACR|
|Mouse ARSA ORF mammalian expression plasmid, C-Flag tag||MG50018-CF|
|Mouse ARSA ORF mammalian expression plasmid, C-His tag||MG50018-CH|
|Mouse ARSA ORF mammalian expression plasmid, C-Myc tag||MG50018-CM|
|Mouse ARSA ORF mammalian expression plasmid, C-HA tag||MG50018-CY|
|Mouse ARSA ORF mammalian expression plasmid, N-Flag tag||MG50018-NF|
|Mouse ARSA ORF mammalian expression plasmid, N-His tag||MG50018-NH|
|Mouse ARSA ORF mammalian expression plasmid, N-Myc tag||MG50018-NM|
|Mouse ARSA ORF mammalian expression plasmid, N-HA tag||MG50018-NY|
|Mouse ARSA natural ORF mammalian expression plasmid||MG50018-UT|
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Arylsulfatase A (ARSA) is synthesized as a 52KDa lysosomal enzyme. It is a member of the sulfatase family that is required for the lysosomal degradation of cerebroside-3-sulfate, a sphingolipid sulfate ester and a major constituent of the myelin sheet. Arylsulfatase A is activated by a required co- or posttranslational modification with the oxidation of cysteine to formylglycine. Metachromatic leukodystrophy (MLD) is a lysosomal storage disease in the central and peripheral nervous systems with severe and progressive neurological symptoms caused by the deficiency of Arylsulfatase A. Deficiency of this enzyme is also found in apparently healthy individuals, a condition for which the term pseudodeficiency is introduced. ARSA forms dimers after receiving three N-linked oligosaccharides in the endoplasmic reticulum, and then the dimers are transported to the Golgi where they receive mannose 6-phosphate recognition markers. And thus, ARSA is transported and delivered to dense lysosomes in a mannose 6-phosphate receptor-dependent manner. It has been shown that within the lysosomes, the ARSA dimers can oligomerize to an octamer in a pH-dependent manner. The ARSA deficiency leads to metachromatic leucodystrophy (MLD), a lysosomal storage disorder associated with severe and progressive demyelination in he central and peripheral nervous system. Additionally, the serum level of arylsulfatase A might be helpful in diagnosis of lung and central nervous system cancer.