>2ux0B (B:) observed residues (from ATOM records)
smtededlkvrkqeiikiteqlieainngdfeaytkicdpgltsfepealgnlvegmdfh
kfyfenllsknskpihttilnphvhvigedaaciayirltqyidgqgrprtsqseetrvw
hrrdgkwlnvhyhcsg