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Human SPG21 cDNA Clone Product Information
Gene_bank_ref_id:
RefSeq ORF Size:
cDNA Description:
Gene Synonym:
Species:
Vector:
Plasmid:
Restriction Site:
Tag Sequence:
Sequence Description:
Sequencing primers:
Promoter:
Application:
Antibiotic in E.coli:
Antibiotic in mammalian cell:
Shipping_carrier:
Storage:
pCMV/hygro Vector Information
 
Vector Name pCMV/hygro
Vector Size 5657bp
Vector Type Mammalian Expression Vector
Expression Method Constiutive ,Stable / Transient
Promoter CMV
Antibiotic Resistance Ampicillin
Selection In Mammalian Cells Hygromycin
Protein Tag None
Sequencing Primer Forward:T7(TAATACGACTCACTATAGGG)
Reverse:BGH(TAGAAGGCACAGTCGAGG)


Schematic of pCMV/hygro Multiple Cloning Sites
Product nameProduct name
Background

Spastic paraplegia 21 (SPG21), also known as acid Cluster Protein 33 (ACP33) and Mast syndrome protein, is a member of the AB hydrolase superfamily. Human SPG21 is a 308 amino acid residue protein widely expressed in all tissues, including heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. SPG21 binds to the hydrophobic C-terminal amino acids of CD4 which are involved in repression of T cell activation via the noncatalytic alpha/beta hydrolase fold domain. SPG21 thus is proposed to play a role as a negative regulatory factor in CD4-dependent T-cell activation of CD4. Defects in SPG21 are the cause of spastic paraplegia autosomal recessive type 21, also known as Mast syndrome, a neurodegenerative disorder characterized by a slow, gradual, progressive weakness and spasticity of the lower limbs. Rate of progression and the severity of symptoms are quite variable. SPG21 is also associated with dementia and other central nervous system abnormalities.

References
  • Zeitlmann L. et al., 2001, J Biol Chem. 276: 9123-32.
  • Simpson M. A. et al., 2003, Am J Hum Genet. 73: 1147-156.
  • Ota T. et al., 2004, Nat. Genet.36: 40-45.
  • Kedmi M. et al., 2007, Physiol Genomics. 28: 213-22.
  • Hanna M. C. et al., 2009, Neurogenetics.10: 217-28.
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