>5xjc_a mol:protein length:126 Small nuclear ribonucleoprotein Sm D3 MSIGVPIKVLHEAEGHIVTCETNTGEVYRGKLIEAEDNMNCQMSNITVTYRDGRVAQLE QVYIRGSKIRFLILPDMLKNAPMLKSMKNKNQGSGAGRGKAAILKAQVAARGRGRGMGR GNIFQKRR