>5sx7B (B:) observed residues (from ATOM records)
gtsnrdwwpnqldlsilhrhsslsdpmgkdfnyaqafekldlaavkrdlhalmttsqdww
padfghygglfirmawhsagtyrtadgrggagegqqrfaplnswpdnanldkarrllwpi
kqkygraiswadlliltgnvalesmgfktfgfaggradtwepedvywgsekiwlelsggp
nsrysgdrqlenplaavqmgliyvnpegpdgnpdpvaaardirdtfarmamndeetvali
agghtfgkthgagpasnvgaepeaagieaqglgwksayrtgkgadaitsglevtwtttpt
qwshnffenlfgyeweltkspagahqwvakgadavipdafdpskkhrptmlttdlslrfd
payekisrrfhenpeqfadafarawfklthrdmgprarylgpevpaevllwqdpipavdh
plidaadaaelkakvlasgltvsqlvstawaaastfrgsdkrggangarirlapqkdwea
nqpeqlaavletleairtafngaqrggkqvsladlivlagcagveqaaknaghavtvpfa
pgradasqeqtdvesmavlepvadgfrnylkgkyrvpaevllvdkaqlltlsapemtvll
gglrvlganvgqsrhgvftareqaltndffvnlldmgtewkptaadadvfegrdratgel
kwtgtrvdlvfgshsqlralaevygsadaqekfvrdfvavwnkvmnldrfdla