>3tnnB (B:) SEQRES residues
qsaltqpasvsgspgqsitisctgtssdvgsynfvswyqqhpgkapklmiyevserpsgi
snrfsgsksgntasltisglqaedeadyycssyagsttfrvfgggtkltvrgqpkaapsv
tlfppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaas
sylsltpeqwkshrsyscqvthegstvektvaptecs