A nucleic acid molecule, comprising a sequence of nucleotides encoding a hyaluronidase polypeptide, wherein:
- the nucleic acid molecule includes a stop codon, whereby the encoded hyaluronidase polypeptide is produced upon expression;
- and
- the encoded hyaluronidase polypeptide is selected from among:
- a polypeptide that consists of a sequence of amino acids selected from among amino acid residues 1-477, 1-478, 1-479, 1-480, 1-481, 1-482, 1-483, 36-477, 36-478, 36-479, 36-480, 36-481, 36-482 or 36-483 of SEQ ID NO:1;
- and
- a polypeptide that consists of a sequence of amino acids that contains amino acid substitutions in the sequence of amino acids set forth as 1-477, 1-478, 1-479, 1-480, 1-481, 1-482, 1-483, 36-477, 36-478, 36-479, 36-480, 36-481, 36-482 or 36-483 of SEQ ID NO:1, whereby the amino acid-substituted hyaluronidase glycoprotein consists of a sequence of amino acids that has at least 95% amino acid sequence identity to a sequence of amino acids set forth as amino acid residues 1-477, 1-478, 1-479, 1-480, 1-481, 1-482, 1-483, 36-477, 36-478, 36-479, 36-480, 36-481, 36-482 or 36-483 of SEQ ID NO:1.