>4npbB (B:) observed residues (from ATOM records)
addsaiqqtlkkldiqqadiqpspipgistvmtesgvlyisadgkhllqgplydvsgdqp
invtnqallkklealssemivykapeekhvitvftditcgycrklheqmkdynalgitvr
ylafprqglssqaekdmrsiwcmadrnkafddamknndispatcktdiskhyqlgvqfgi
qgtpaivlqngtivpgyqgpkemlqmlnahqaslk