>3elcB (B:) observed residues (from ATOM records)
emrighgfdvhafggegpiiiggvripyekgllahsdgdvalhaltdallgaaalgdigk
lfpdtdpafkgadsrellreawrriqakgytlgnvdvtiiaqapkmlphipqmrvfiaed
lgchmddvnvkattteklgftgrgegiaceavallik