>1v77A (A:) observed residues (from ATOM records)
vkfiemdirdkeayelakewfdevvvsikfneevdkeklrearkeygkvaillsnpkpsl
vrdtvqkfksyliyvesndlrvirysiekgvdaiispwvnrkdpgidhvlaklmvkknva
lgfslrpllysnpyeranllrfmmkawklvekykvrrfltssaqekwdvryprdlislgv
vigmeipqakasismypeiilk