>2z3nB (B:) SEQRES residues
rlvqlsrhsiafpspegalrepngllalggdlsparllmayqrgifpwfspgdpilwwsp
dpravlwpeslhisrsmkrfhkrspyrvtmnyafgqviegcasdreegtwitrgvveayh
rlhelghahsievwredelvggmygvaqgtlfcgesmfsrmenasktallvfceefighg
gklidcqvlndhtaslgaceiprrdylnylnqmrlgrlpnnfwvprclfspqe