>4af1A (A:) observed residues (from ATOM records) vpsedrrkyefrkvieelkdyegsgtqlvtiyippdkqisdvvahvtqehseasnikskq trtnvqdaltsikdrlryydtfppdngmvvfsgavdsgggrtdmvtevlesppqpiesfr yhcdsaflteplaemlgdkglyglivldrresnvgwlkgkrvqpvksaeslvpgkqrkgg qsaqrfarlrleaidnfyqevagmaddlfvpkrheidgilvggpsptkdefldgdylhhe lqdkvlgkfdvsytdesglsdlvdagqaalaeadlmddksdmeeffeelnggklatygfe qtrrnlimgsvdrllvsedlredvviyecpndheeyetidrrntspehtcsdcgeeatev dredaidhlmsiadqrgtethfistdfekgeqlltafggyagilrystgv