>3a7gA (A:) observed residues (from ATOM records)
glpgmqnlkadpeelftklekigkgsfgevfkgidnrtqkvvaikiidleeaedeiediq
qeitvlsqcdspyvtkyygsylkdtklwiimeylgggsaldllepgpldetqiatilrei
lkgldylhsekkihrdikaanvllsehgevkladfgvagqltdtqikrntfvgtpfwmap
evikqsaydskadiwslgitaielargepphselhpmkvlflipknnpptlegnyskplk
efveaclnkepsfrptakellkhkfilrnakktsyltelidrykrwkaeq