>4j7aB (B:) observed residues (from ATOM records)
qlpgrlgdpsmslgtdprtdprlaaaltqlgladqaaeppvnansevadciaystaaeqa
wqtlfamlgsqgepsnpvdvreetikgrggneiklyihsptghtsdsdplpcvvhthggg
mviltaadanysrwrselaatglvvvgvefrnaagalgnhpfpaglhdcadaakwvasnr
ealgistlimsgesgggnlslattmlakkegwleeiagvyaqcpyisglyaskpeelpsl
lendayfldmktmgamvkpydptgenasnplawpyhasledlaglpphvisvneldplrd
eglahyrkllkagvstvgrtvhgtchaadcsfvdvipdvyfatvrdisafaysra