>4lugA (A:) observed residues (from ATOM records)
ahpwhdleigpgapqifnvvveitkgskvkyeldkktglikvdrilyssvvyphnygfvp
rtlcedndpidvlvimqepvlpgcflraraiglmpmidqgekddkiiavcvddpeykhyt
dikelpphrlseirrffedykknenkevavndflpsesaveaiqysmdlyaeyil