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SPA 33.4kDa

Catalog No.: AP1157
Staphylococcal Protein-A 33.4kDa Recombinant
SPA Recombinant produced in E.Coli is a homodimeric non-glycosylated polypeptide chains comprised of 5 IgG-binding domains E-D-A-B-C aligned in series containing 296 amino acids and having a molecular mass of 33.4kDa containing little or no carbohydrate. Cell wall binding region, cell membrane binding region and albumin binding region were removed to ensure the highest specific IgG binding.
Grouped product items
Product Name Price Stock Qty
SPA 33.4kDa 10mg
$90.00
In stock
SPA 33.4kDa 100mg
$550.00
In stock
SPA 33.4kDa 1gr
$3,300.00
In stock
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For laboratory research use only. Direct human use, including taking orally and injection and clinical use are forbidden.

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Protein Information
Catalog Num AP1157
Physical appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation SPA protein was lyophilized with no additives.
Amino acid sequence NAAQHDEAQQ NAFYQVLNMP NLNADQRNGF IQSLKDDPSQ SANVLGEAQK LNDSQAPKAD AQQNNFNKDQ QSAFYEILNM PNLNEAQRNG FIQSLKDDPS QSTNVLGEAK KLNESQAPKA DNNFNKEQQN AFYEILNMPN LNEEQRNGFI QSLKDDPSQS ANLLSEAKKL NESQAPKADN KFNKEQQNAF YEILHLPNLN EEQRNGFIQS LKDDPSQSAN LLAEAKKLND AQAPKADNKF NKEQQNAFYE ILHLPNLTEE QRNGFIQSLK DDPSVSKEIL AEAKKLNDAQ APKEED.
Uniprot ACC# P38507
Purity Greater than 97.0% as determined by:  (a) Analysis by HPLC. (b) Analysis by SDS-PAGE.
Stability Lyophilized SPA although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution SPA should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Source Escherichia Coli.
Synonyms Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.
Transportation method Shipped at Room temp
Recombinant Proteins