>2q31B (B:) observed residues (from ATOM records)
ttalvcdngsglvkagfagddapravfpsivgrptlkypiehgiitnwddmekiwhhtfy
nelrvapeehptllteaplnpkanrekmtqimfetfnvpamyvaiqavlslyasgrttgi
vldsgdgvthnvpiyegyalphaimrldlagrdltdylmkiltergysfvttaereivrd
ikeklcyvaldfenemataassssleksyelpdgqvitignerfrcpetlfqpsfigmes
agihettynsimkcdidirkdlyannvmsggttmypgiadrmqkeitalapstmkikiia
pperkysvwiggsilaslstfqqmwitkqeydeagp