Patent · US Expired

Streptococcal immunoglobulin a binding protein encoded by emmL2.2

US5352588A · kind A · utility

19Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 24, 1991
Grant dateOct 4, 1994
Priority date
Expiry dateDec 24, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K14/315
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

The subject invention concerns a novel polynucleotide sequence cloned from emm2.2 gene of a Group A streptococcus, Type II strain which codes for an IgA-binding protein, ML2.2. A process for producing the protein is given. The invention also concerns the protein in an immunoadsorbent and as a tracer for use in measuring and purifying IgA. Kits are given comprising the immunoadsorbent and the tracer form of the protein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.