Recombinant Antigens

Early Antigen (D): 28kd antigen of EA-D. It is used as a marker of chronic or acute infection, in EIA applications, capture assays or in western blot analysis.

RF0419 in phosphate buffered saline  

$1,750/mg 

VCA P-18 & P-18/GP125 Fusion: An important part of the VCA complex. It is a useful marker in acute and convalescent serologies. It can be used in EIA, capture assays, direct conjugation, or in western blot analysis.

RF0407* EBV VCA P-18 truncated, in phosphate buffered saline   

$1,750/mg

RF0415 VCA P-18/truncated GP125 fusion protein, in phosphate buffered saline, 3M Urea  

$1,750/mg

*Constructed as a fusion protein to truncated MBP.

HSV 1 and 2 are the cause of vesicular lesions of oral and genital mucosa and may involve other sites. The use of type-specific antigens can be used to serotype individuals. 

Herpes Simplex Virus Type 1 

RF0182 Type-specific antigen gG1, in phosphate buffered saline  

$650/mg

Herpes Simplex Virus Type 2 

RF0236 Type-specific antigen gG2 (aa 343-649), in phosphate buffered saline

$650/mg

Rubella is known for causing congenital birth defects if contracted during pregnancy. These defects include cataracts and heart abnormalities. The E2 protein is a common structural protein and is a major membrane glycoprotein in the Rubella virus. 

RF0823 E2 protein, in phosphate buffered saline, 3M Urea  

$650/mg

Zika is a flavivirus and symptoms include severe fever, hemorrhage, conjunctival congestion, nausea and vomiting. Pregnant woman can spread zika to their baby potentially resulting in microcephaly. and other birth defects. 

RF6385 NS1 protein, in phosphate buffered saline, 2M Urea  

$650/mg

RF6386 E protein, in phosphate buffered saline, 2M Urea  

$650/mg

SS-A 60 and 52 are heterogeneous antigens that are important markers in Sjogren’s Syndrome and other connective tissue diseases. JO-1 is a key marker in polymyositis and dermatomyositis as well as other autoimmune diseases. SS-B is also a significant marker in Sjogren’s Syndrome and may be seen in SLE patients. SCL-70 is a crucial marker in scleroderma and crest patients. U1-RNP is an important marker of mixed connective tissue disease.

RF1924 SS-A, 52 kd protein, in phosphate buffered saline, 3M Urea  

$650/mg

RF1926 J0-1, in phosphate buffered saline  

$650/mg

RF1927 SS-B, in phosphate buffered saline  

$650/mg

RF1928 SCL-70, in phosphate buffered saline  

$650/mg

RF1929 U1-RNP, in phosphate buffered saline, 3M Urea 

$650/mg

Dengue is a flavivirus and has four known serotypes. Acquired immunity to one type provides partial immunity to the others. Symptoms include severe fever, hemorrhage, conjunctival congestion, nausea and vomiting. This antigen represents domain 3 of the envelope glycoprotein. 

RF5162 serotype 1 truncated E protein, in phosphate buffered saline  

$650/mg

RF3254 serotype 2 truncated E protein, in glycine buffer   

$650/mg

RF5063 serotype 3 truncated E protein, in phosphate buffered saline  

$650/mg

RF5264 serotype 4 truncated E protein, in phosphate buffered saline  

$650/mg

Toxoplasma gondii is an important pathogen in the immunocompromised population and in pregnant women. P30 and ROP are important proteins for the serodiagnosis of toxoplasmosis. 

RF1056 represents p30, in phosphate buffered saline  

$650/mg

RF1065 represents ROP 2, in phosphate buffered saline  

$650/mg

Syphilis is an old but increasingly relevant sexually transmitted disease. These three recombinants offer high sensitivity and specificity. 

RF1606 represents gene product from Tp0453, in phosphate buffered saline, 3M Urea  

$650/mg

RF1657 represents p17, in phosphate buffered saline, 3M Urea  

$650/mg

RF1658 represents p15, in phosphate buffered saline, 3M Urea  

$650/mg

West Nile Virus is a flavivirus which is spread from mosquitos to humans. Typical symptoms include mild fever, head and body aches and generalized myalgia, with serious infections causing encephalitis and neuronal degeneration.

RF2421 E protein domain III, in phosphate buffered saline   

$800/mg