Function
Has aminomutase and, to a lesser extent, ammonia-lyase activity. Primarily, catalyzes the rearrangement of L-tyrosine to R-beta-tyrosine, which is incorporated into secondary metabolites called chondramides. The aminomutase activity mainly produces R-beta-tyrosine but also S-beta tyrosine in smaller amounts. Does not accept D-tyrosine, L-histidine or L-phenylalanine as substrates.
Sequence
MKITGSNLSIYDVADVCMKRATVELDPSQLERVAVAHERTQAWGEAQHPIYGVNTGFGELVPVMIPRQHKRELQENLIRSHAAGGGEPFADDVVRAIMLARLNCLMKGYSGASVETVKLLAEFINRGIHPVIPQQGSLGASGDLSPLSHIALALIGEGTVSFKGQVRKTGDVLREEGLKPLELGFKGGLTLINGTSAMTGAACVALGRAYHLFRLALLATADFVQCLGGSTGPFEERGHLPKNHSGQVIVAREIRKLLAGSQLTSDHQDLMKEMVARSGVGNDVVDTGVYLQDAYTLRAVPQILGPVLDTLDFARKLIEEELNSTNDNPLIFDVPEQTFHGANFHGQYVAMACDYLNIAVTEIGVLAERQLNRLVDPNINGKLPPFLASAHSGLLCGFEGGQYLATSIASENLDLAAPSSIKSLPSNGSNQDVVSMGTTSARKSLRLCENVGTIVSTLIAACNQAGHILGNERFSPPIRELHGELSRSVPLYQDDSPIFELFQTVRAFVGGDGFRAHLVTHLDLAATTASS