UCN2 GI:15082240 urocortin 2 preproprotein 1 mtrcallllm vlmlgrvlvv pvtpiptfql rpqnspqttp rpaasespsa 50 51 aptwpwaaqs hcsptrhpgs rivlsldvpi gllqilleqa raraareqat 100 101 tnarilarvg hc