THR   52  *
GLN   53  *
GLN   54  *
THR   55  *
LEU   56  *
ASN  182  *
HIS  183  *
TRP  185  *
PRO  189  *
PRO  190  *
ALA  191  *
GLU  192  *
GLU  193  *
LYS  194  *
ASN  195  *
THR  223  *
GLU  225  *
ASP  226  *