>tr|A0A9Q4E6S8|A0A9Q4E6S8_BACSC SH3 domain-containing protein OS=Bacillus spizizenii GN=MOC89_16350 MTKLKMLSMLTVMIASLFIFSSQALAVQYFTVSTSSGAPVNMRSGPGTNYPIMLSIPSGS RVPYYCYAYGTTVTGKYGTSNIWDQIQWKDSRGVVNIGYVSDTYVYTGSDGPVGYKCN