>2c04B (B:) observed residues (from ATOM records)
mfqqlsarlqeaigrlrgrgriteedlkatlreirralmdadvnlevardfvervreeal
gkqvlesltpaevilatvyealkealggearlpvlkdrnlwflvglqgsgktttaaklal
yykgkgrrpllvaadtqrpaareqlrllgekvgvpvlevmdgespesirrrveekarlea
rdlilvdtagrlqideplmgelarlkevlgpdevllvldamtgqealsvarafdekvgvt
glvltkldgdarggaalsarhvtgkpiyfagvsekpeglepfyperlagrilgmgd