| 摘要 |
A novel mammalian protein related to human hypothetical protein FLJ22662 (SEQ ID NO: 1) and homologous hypothetical proteins from mammal species other than Homo sapiens. The protein is expressed in neutrophils and is characterized as a phospholipase B of a novel family (PLB-II). The protein is characterized in comprising one or two single chain polypeptide SU subunits that are different with respect to their amino acid sequences (i.e. at least one SUl subunit and/or at least one SU2 subunit), where the amino acid sequence of : i) SUl comprises SEQ ID NO: 2 or a variant thereof ii) SU2 comprises SEQ ID NO: 3 or a variant thereof. There is also described an antibody preparation which is specifically directed against the mammalian protein and a method for determining the occurrence or level of an analyte in a sample. The method is characterized in that analyte is related to the mammalian protein.
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