>2amtB (B:) observed residues (from ATOM records)
mrighgfdvhafggegpiiiggvripyekgllahsdgdvalhaltdallgaaalgdigkl
fpdtdpafkgadsrellreawrriqakgytlgnvdvtiiaqapkmlphipqmrvfiaedl
gchmddvnvkattteklgftgrgegiaceavallik