>4c9nB (B:) observed residues (from ATOM records)
khrvappphvpghlireidaydldgleqgfheawkrvqqpdtpplvwtpftgghwiatrg
tlideiyrsperfssrviwvpreageaydmvptkldppehtpyrkaidkglnlaeirkle
dqirtiaveiiegfadrghcefgsefstvfpvrvflalaglpvedatklgllanemtrps
gntpeeqgrsleaankgffeyvapiiaarrggsgtdlitrilnveidgkpmpddralglv
sllllgglntvvnflgfmmiylsrhpetvaemrreplklqrgveelfrrfavvsdaryvv
sdmefhgtmlkegdlillptalhglddrhhddpmtvdlsrrdvthstfaqgphrcagmhl
arlevtvmlqewlaripefrlkdravpiyhsgivaaveniplewepq