CSF2 GI:27437030 colony stimulating factor 2 precursor 1 mwlqsllllg tvacsisapa rspspstqpw ehvnaiqear rllnlsrdta 50 51 aemnetvevi semfdlqept clqtrlelyk qglrgsltkl kgpltmmash 100 101 ykqhcpptpe tscatqiitf esfkenlkdf llvipfdcwe pvqe