Immunogen sequence: HIPVYTLGFE SPQRVSAAKT APIQRRDIFQ SLQGPQWQSV EEAFPHIYSH GCVLKDVCSE CTSFVADVVR SSRKSVDVLN TTPRRSRQTQ SLYIPNTRTL D Highest antigen sequence identity to the following orthologs: Mouse - 83%, Rat - 81%. Acts as an actin nucleation factor,