>gi|48762712 SH3-binding domain and glutamic acid-rich protein isoform b [Homo sapiens] MRENVPGEKKPQNGIPLPPQIFNEEQYCGDFDSFFSAKEENIIYSFLGLA PPPDSKGSEKAEEGGETEAQKEGSEDVGNLPEAQEKNEEEGETATEETEE IAMEGAEGEAEEEEETAEGEEPGEDEDS