Polypeptide comprising the 2664 (or a fragment) or 2386 residue amino acid sequence, or a homologue, is new. Also claimed are: (1) polynucleotide encoding the polypeptide (preferably the 8239 or 8022 bp nucleic acid, or its complement); (2) vector carrying the polynucleotide; (3) antibody (Ab) capable of binding the 2664 residue amino acid sequence, or a fragment; and (4) probe comprising a fragment of at least 15 nucleotides from the 8239 bp nucleic acid sequence. (sequences given in the specification)
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