>2a50_B 168 2
# si pdb 2a50_B 99.40 167 1.30 SCOP 2a50_B
# si pdb 2a50_D 99.40 167 1.30 SCOP 2a50_D
XSKTFIKYVSGIPDYFKQSFPEGFTWERTTTYEDGGFLTAHQDTSLDGDC
LVYKVKILGNNFPADGPVMQNKAGRWEPATEIVYEVDGVLRGQSLMALKC
PGGRHLTCHLHTTYRSKKPASALKMPGFHFEDHRIEIMEEVEKGKCYKQY
EAAVGRYCDAAPSKLGHN