>1u15B (B:) observed residues (from ATOM records)
tdpimeklnssiaydqrlsevdiqasiayakalekagiltktelekilsglekiseewsk
gvfvvkqsdedihtanerrlkeligdiagklhtgrsrneqvvtdlklfmknslsiisthl
lqliktlveraaieidvilpgythlqkaqpirwsqfllshavaltrdserlgevkkrinv
lplgsgalagnpldidremlrselefasislnsmdaiserdfvveflsvatlllihlskm
aedliiystsefgfltlsdafstgsslmpqkknpdslelirskagrvfgrlasilmvlkg
lpstynkdlqedkeavidvvdtltavlqvatgvistlqiskenmekaltpemlatdlaly
lvrkgmpfrqahtasgkavhlaetkgiainnltledlksisplfssdvsqvfnfvnsveq
ytalggtakssvttqieqlrelmkkqkeqa