Chains and heterogens:
PDB Chain Sequences:
>2xfyA (A:) mevnvkgnyvqvyvmlpldavsvnnrfekgdelraqlrklveagvdgvmvdvwwglvegk gpkaydwsaykqlfelvqkaglklqaimsfhqcggnvgdavnipipqwvrdvgtrdpdif ytdghgtrnieyltlgvdnqplfhgrsavqmyadymtsfrenmkefldagvivdievglg pagemrypsypqshgwsfpgigeficydkylqadfkaaaaavghpewefpndvgqyndtp ertqffrdngtylsekgrfflawysnnlikhgdrildeankvflgykvqlaikisgihww ykvpshaaeltagyynlhdrdgyrtiarmlkrhrasinftcaemrdseqssqamsapeel vqqvlsagwreglnvacenalprydptayntilrnarphginqsgppehklfgftylrls nqlvegqnyanfktfvdrmhanlprdpyvdpmaplprsgpeisiemilqaaqpklqpfpf qehtdlpvgptggmggqaegptcgmggqvkgptggmggqaedptsgiggelpatm
>2xfyA (A:) nvkgnyvqvyvmlpldavsvnnrfekgdelraqlrklveagvdgvmvdvwwglvegkgpk aydwsaykqlfelvqkaglklqaimsfhqcggnvgdavnipipqwvrdvgtrdpdifytd ghgtrnieyltlgvdnqplfhgrsavqmyadymtsfrenmkefldagvivdievglgpag emrypsypqshgwsfpgigeficydkylqadfkaaaaavghpewefpndvgqyndtpert qffrdngtylsekgrfflawysnnlikhgdrildeankvflgykvqlaikisgihwwykv pshaaeltagyynlhdrdgyrtiarmlkrhrasinftcaemrdseqssqamsapeelvqq vlsagwreglnvacenalprydptayntilrnarphginqsgppehklfgftylrlsnql vegqnyanfktfvdrmhanlprdpyvdpmaplprsgpeisiemilqaaqpklqpfpfqeh tdlpvg