>gi|17402931 sperm associated antigen 11B isoform C preproprotein [Homo sapiens] MRQRLLPSVTSLLLVALLFPGSSQARHVNHSATEALGELRERAPGQGTNG FQLLRHAVKRDLLPPRTPPYQEPASDLKVVDCRRSEGFCQEYCNYMETQV GYCSKKKDACCLH