>1a77.pdb GVQFGDFIPKNIISFEDLKGKKVAIDGMNALYQFLTSIRLRDGSPLRNRKGEITSAYNGVFYKTIHLLENDITPIWVFDG EPPKLKEKTRKVRREMKEKAELKMKEAIKKED--FEEA-AKYAKRVSYL------------------TPKMVENCKYLLS LMGIPYVEAPSEGEAQASYMAKKGDVWAVVSQDYDALLYGAPRVVRNLTTT-------------KEMPELIELNEVLEDL R >1b43a.pdb GVPIGEIIPRKEIELENLYGKKIAIDALNAIYQFLSTIRQKDGTPLMDSKGRITSHLSGLFYRTINLMEAGIKPVYVFDG EPP------EFKKK--ELEKR-----------REAREEAEEKWREAL--EKGEIEEARKYAQRATRVNEMLIEDAKKLLE LMGIPIVQAPSEGEAQAAYMAAKGSVYASASQDYDSLLFGAPRLVRNLTITGKRKLPGKNVYVEI-KPELIILEEVLKEL K