>3cswB (B:) observed residues (from ATOM records)
hvliwwrgkfrradeisldfslfekslqgavyetlrtysrapfaaykhytrlkrsadffn
lplslsfdeftkvlkagadefkqevrikvylfpdsgevlfvfsplnipdletgvevkisn
vrripdlstppalkitgrtdivlarreivdcydvillglngqvcegsfsnvflvkegkli
tpsldsgildgitrenviklaksleipveervvwvwelfeademflthtsagvvpvrrln
ehsffeeepgpvtatlmenfepfvlnleenwvgi