>4mtcA (A:) observed residues (from ATOM records) askralvilakgaeemetvipvdvmrragikvtvaglagkdpvqcsrdvviapdasleda kkegpydvvvlpggnlgaqnlsesaavkeilkeqenrkgliaaicagptallaheigfgs kvtthplakdkmmngghytysenrvekdgliltsrgpgtsfefalaivealngkevaaqv kaplvlk