>3si9B (B:) observed residues (from ATOM records)
smlkgavtalitpfddngaidekafcnfvewqitqgingvspvgttgesptltheehkri
ielcveqvakrvpvvagagsnstseavelakhaekagadavlvvtpyynrpnqrglythf
ssiakaisipiiiynipsrsvidmavetmrdlcrdfkniigvkdatgkieraseqrekcg
kdfvqlsgddctalgfnahggvgcisvssnvapklcaqlhaaclcsdyktalklndllmp
lnravfiepspagikyaaaklglcgtivrspivplsdttkkiidealyhagll