Chains and heterogens:
PDB Chain Sequences:
>1fzrA (A:) vgafrsgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwe sddrkkhllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewik epkkevpfdrlkrkggkk
>1fzrA (A:) sgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwesddrk khllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewikepkke vpfdrlkrk
>1fzrB (B:) vgafrsgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwe sddrkkhllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewik epkkevpfdrlkrkggkk
>1fzrB (B:) sgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwesddrk khllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewikepkke vpfdrlkrk
>1fzrC (C:) vgafrsgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwe sddrkkhllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewik epkkevpfdrlkrkggkk
>1fzrC (C:) sgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwesddrk khllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewikepkke vpfdrlkrk
>1fzrD (D:) vgafrsgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwe sddrkkhllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewik epkkevpfdrlkrkggkk
>1fzrD (D:) sgledkvskqleskgikfeyeewkvpyvipasnhtytpdfllpngifvktkglwesddrk khllireqhpeldirivfsssrtklykgsptsygefcekhgikfadklipaewikepkke vpfdrlkrk