>2z3mB (B:) SEQRES residues
rlvqlsrhsiafpspegalrepngllalggdlsparllmayqrgifpwfspgdpilwwsp
dpravlwpeslhisrsmkrfhkrspyrvtmnyafgqviegcasdreegtwitrgvveayh
rlhelghahsievwredelvggmygvaqgtlfcgesmfsrmenasktallvfceefighg
gklidcqvlndhtaslgaceiprrdylnylnqmrlgrlpnnfwvprclfspqe