>sp|P21881|Release 18.0|01-May-1991 MAAKTKKAIVDSKKQFDAIKKQFETFQILNEKGEVVNEAAMPDLTDDQLKELMRRMVFTR VLDQRSISLNRQGRLGFYAPTAGQEASQIATHFALEKEDFVLPGYRDVPQLIWHGLPLYQ AFLFSRGHFRGNQMPDDVNALSPQIIIGAQYIQTAGVALGLKKRGKKAVAITYTGDGGRS QGDFYEGINFAGAYKAPAIFVVQNNRYAISTPVEKQSAAETIAQKAVAAGIVGVQVDGMD PLAVYAATAEARERAINGEGPTLIETLTFRYGPHTMAGDDPTKYRTKEIENEWEQKDPLV RFRAFLENKGLWSEEEEAKVIEDAKEEIKQAIKKADAEPKQKVTDLMKIMYEKMPHNLEE QFEIYTQKESK