>tr|A0A6H0H7R8|A0A6H0H7R8_BACIU SH3 domain-containing protein OS=Bacillus subtilis subsp. subtilis str. SMY GN=HCN55_19345 MNKPTKLFSTLALAAGMTAAAAGGAGTIHAQQPETTVSIDDLYSYPIDSYLVSAEALNVR TKPSASSQKADTLHLGDSLKLISFSNADWAKVKYKNGKTGFVSTHYIVKAATTVKTKTKT KVYTSADGKSIKTLPADTSVSFLGWSKTNKGGFDFDWVFVDYGGTTGYMKTKDLHMTK