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Description
Rabbit IgM, His tagProduct Specification Species Rabbit Synonyms Ig mu chain C region secreted form Accession P03988 1 Amino Acid Sequence Protein sequence (P03988 1, Val107 Tyr458, with C His tag)
Product Specification
| Species | Rabbit |
| Synonyms | Ig mu chain C region secreted form |
| Accession | P03988-1 |
| Amino Acid Sequence | Protein sequence (P03988-1, Val107-Tyr458, with C-His tag) VDSELPPNVSVFIPPRDSFSGSGTRKSRLICQATGFSPKQISVSWLRDGQKVESGVLTKPVEAETKGAGPATFSISSMLTITESDWLSQSLYTCRVDHRGIFFDKNVSMSSECSTTPSPGIQVFPIAPSFADTFLSKSARLICLVTDLTTYGSLNISWASHNGKALDTHMNITESHPNATFSAMGEASVCAEDWESGEQFTCTVTHADLPFPLKHTISKSREVAKHPPAVYVLPPAREQLVLRESATVTCLVKGFSPADVFVQWQQRGQPLSSDKYVTSAPAPEPQAPGLYFTHSTLTVTEEDWNSGETFTCVVGHEALPHMVTERTVDKSTGKPTLYNVSLIMSDTASTCY |
| Expression System | HEK293 |
| Molecular Weight | Predicted MW: 39.9 kDa Observed MW: 50-65 kDa |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Tag | with C-His tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4. |
| Reconstitution | Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation. |
| Stability & Storage | 12 months from date of receipt, -20 to -70 °C as supplied. |
Background
Immunoglobulin M (IgM) is one of several isotypes of antibody (also known as immunoglobulin) that are produced by vertebrates. IgM is the largest antibody, and it is the first antibody to appear in the response to initial exposure to an antigen. IgM is the first immunoglobulin expressed in the human fetus (around 20 weeks) and phylogenetically the earliest antibody to develop. IgM antibodies do not pass across the human placenta (only isotype IgG). Demonstrating IgM antibodies in a patient's serum indicates recent infection, or in a neonate's serum indicates intrauterine infection (e.g. congenital rubella syndrome). IgM in normal serum is often found to bind to specific antigens, even in the absence of prior immunization. A mutation of the mu chain within IgM causes autosomal recessive agammaglobulinemia. The presence of IgM or, rarely, IgG is one of the obligate criteria for a diagnosis of Schnitzler's syndrome.
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