>1xetB (B:) observed residues (from ATOM records)
fegfrklqradgfasilaigtanppnavdqstypdfyfritgnehntelkdkfkricers
aikqrymylteeilkknpdvcafvevpsldarqamlamevprlakeaaekaiqewgqsks
githlifcstttpdlpgadfevakllglhpsvkrvgvfqhgcfaggtvlrmakdlaennr
garvlvicsettavtfrgpsethldslvgqalfgdgasalivgadpipqvekacfeivwt
aqtvvpnsegaiggkvrevgltfqlkgavpdlisaniencmveafsqfkisdwnklfwvv
hpggraildrveaklnldptkliptrhvmseygnmssacvhfildqtrkaslqngcsttg
eglemgvlfgfgpgltietvvlksvpi