>1xqcB (B:) observed residues (from ATOM records)
alsltadqmvsalldaeppilysesmmglltnladrelvhminwakrvpgfvdltlhdqv
hllesawleilmiglvwrsmehpgkllfapnllldrnqgksvegmveifdmllatssrfr
mmnlqgeefvclksiillnsgvytfstlksleekdhihrvldkitdtlihlmakagltlq
qqhqrlaqlllilshirhmsnkgmehlplydlllemldahr