>sp|P55822-2|SH3BG_HUMAN SH3 domain-binding glutamic acid-rich protein OS=Homo sapiens GN=SH3BGR MRENVPGEKKPQNGIPLPPQIFNEEQYCGDFDSFFSAKEENIIYSFLGLAPPPDSKGSEK AEEGGETEAQKEGSEDVGNLPEAQEKNEEEGETATEETEEIAMEGAEGEAEEEEETAEGE EPGEDEDS