Immunogen sequence: LGKDNQRSFQA LYTANQMVNV CDPAQPETFP VAQALASRFF GQHGGESQHT IHATGHCHID TAWLWPFKET VRKCARSWVT ALQLMERNP Highest antigen sequence identity to the following orthologs - mouse 84%, rat 88%. Hydrolysis of terminal, non-reducing alpha-D-mannose