>1q7tB (B:) observed residues (from ATOM records)
etprllfvhahpddeslsngatiahytsrgaqvhvvtctlgeegevigdrwaqltadhad
qlggyrigeltaalralgvsapiylggagrwrdsgmagtdqrsqrrfvdadprqtvgalv
aiirelrphvvvtydpnggyghpdhvhthtvttaavaaagvgpgdpwtvpkfywtvlgls
alisgaralvpddlrpewvlpradeiafgysddgidavveadeqaraakvaalaahatqv
vvgptgraaalsnnlalpiladehyvlaggsagardergwetdllaglgft