Product Name	Anti-ARSA/AP
Chinese Name	碱性磷酸酶（AP）标记的芳基硫酸酯酶A抗体
Alias	As 2; As2; ASA; metachromatic leucodystrophy; TISP73; arylsulfatase A; AS A; MLD.
Research Area	immunology  Neurobiology
Immunogen Species	Rabbit
Clonality	Polyclonal
React Species	(predicted: Human, Mouse, Rat, Dog, Pig, Cow, Horse, Rabbit, )
Applications	WB=1:50-200 IHC-P=1:50-200 IHC-F=1:50-200  not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
Molecular weight	47/54kDa
Form	Lyophilized or Liquid
Concentration	1mg/ml
immunogen	KLH conjugated synthetic peptide derived from human ARSA (368-412aa)
Lsotype	IgG
Purification	affinity purified by Protein A
Storage Buffer	0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
Storage	Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Product Detail	background: The protein encoded by this gene hydrolyzes cerebroside sulfate to cerebroside and sulfate. Defects in this gene lead to metachromatic leucodystrophy (MLD), a progressive demyelination disease which results in a variety of neurological symptoms and ultimately death. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Dec 2010]. Function: Hydrolyzes cerebroside sulfate. Subunit: Homodimer at neutral pH and homooctamer at acidic pH. Exists both as a single chain of 58 kDa (component A) or as a chain of 50 kDa (component B) linked by disulfide bond(s) to a 7 kDa chain (component C). Interacts with SUMF1. Subcellular Location: Lysosome. Post-translational modifications: The conversion to 3-oxoalanine (also known as C-formylglycine, FGly), of a serine or cysteine residue in prokaryotes and of a cysteine residue in eukaryotes, is critical for catalytic activity. This post-translational modification is severely defective in multiple sulfatase deficiency (MSD). DISEASE: Defects in ARSA are a cause of leukodystrophy metachromatic (MLD) [MIM:250100]. MLD is a disease due to a lysosomal storage defect. It is characterized by intralysosomal storage of cerebroside-3-sulfate in neural and non-neural tissues, with a diffuse loss of myelin in the central nervous system. Progressive demyelination causes a variety of neurological symptoms, including gait disturbances, ataxias, optical atrophy, dementia, seizures, and spastic tetraparesis. Three forms of the disease can be distinguished according to the age at onset: late-infantile, juvenile and adult. Arylsulfatase A activity is defective in multiple sulfatase deficiency (MSD) [MIM:272200]. A clinically and biochemically heterogeneous disorder caused by the simultaneous impairment of all sulfatases, due to defective post-translational modification and activation. It combines features of individual sulfatase deficiencies such as metachromatic leukodystrophy, mucopolysaccharidosis, chondrodysplasia punctata, hydrocephalus, ichthyosis, neurologic deterioration and developmental delay. Note=Arylsulfatase A activity is impaired in multiple sulfatase deficiency due to mutations in SUMF1. SUMF1 mutations result in defective post-translational modification of ARSA at residue Cys-69 that is not converted to 3-oxoalanine. Similarity: Belongs to the sulfatase family. Database links: Entrez Gene: 410 Human Entrez Gene: 11883 Mouse Entrez Gene: 315222 Rat Omim: 607574 Human SwissProt: P15289 Human SwissProt: P50428 Mouse Unigene: 88251 Human Unigene: 620 Mouse Unigene: 23323 Rat Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. ArsA蛋白是存在于微生物The cell membrane上的一种亚砷酸根阴离子泵的水溶性部分。在亚砷酸根存在的情况下。ArsA具有ATP酶活力。它水解ATP,发生构象变化.芳基硫酯酶A（ArylsulfataseA， ARSA）的缺陷，使溶酶体内脑硫酯水解受阻，沉积于中枢神经系统的白质、周围神经系统及其它内脏组织，导致异染性脑白质营养不良（Metachromatic Leukodystrophy，MLD），他是一种较常见的脑白质营养不良，也是一种最常见的溶酶体病，为常染色体隐性遗传。

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