Staphylococcal Protein-A Long Form Recombinant

Product Name: Staphylococcal Protein-A Long Form Recombinant
Synonyms: Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.
Description: SPA Recombinant Long Form produced in E.Coli is a single non-glycosylated polypeptide chain. SPA Long Form is comprised of 5 IgG-binding domains E-D-A-B-C aligned in series containing 422 amino acids (including a.a 273-400 from acc# P99134) and having a molecular mass of 46.6kDa containing little or no carbohydrate.
Uniprot Accesion Number: P38507
Amino Acid Sequence:AQHDEAQQNA FYQVLNMPNL NADQRNGFIQ SLKDDPSQSA NVLGEAQKLN DSQAPKADAQ QNNFNKDQQS AFYEILNMPN LNEAQRNGFI QSLKDDPSQS TNVLGEAKKL NESQAPKADN NFNKEQQNAF YEILNMPNLN EEQRNGFIQS LKDDPSQSAN LLSEAKKLNE SQAPKADNKF NKEQQNAFYE ILHLPNLNEE QRNGFIQSLK DDPSQSANLL AEAKKLNDAQ APKADNKFNK EQQNAFYEIL HLPNLTEEQR NGFIQSLKDD PSVSKEILAE AKKLNDAQAP KEEDNKKPGK EDGNKPGKED GNKPGKEDNK KPGKEDGNKP GKEDNNKPGK EDGNKPGKED NNKPGKEDGN KPGKEDGNKP GKEDGNGVHV VKPGDTVNDI AKANGTTADK IAADNKLADK NMIKPGQELV VD.
Source: Escherichia Coli.
Physical Appearance and Stability: Lyophilized SPA although stable at room temperature for 3 weeks, should be stored desiccated below -18C. Upon reconstitution SPA should be stored at 4C between 2-7 days and for future use below -18C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).  Please prevent freeze-thaw cycles.
Formulation and Purity: SPA protein was lyophilized with no additives. Greater than 97.0% as determined by: (a) Analysis by HPLC.(b) Analysis by SDS-PAGE.
Application:
Solubility: It is recommended to reconstitute the lyophilized SPA in sterile 18MO-cm H2O not less than 0.1mg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity:
Shipping Format and Condition: Lyophilized powder at room temperature.
Usage Statement: Our products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.