Chains and heterogens:
PDB Chain Sequences:
>1xv1A (A:) gsmlspkdilrkdlklvhgypmtcafasnwekieqfhsrpddiviatypksgttwvseii dmilndgdiekckrgfitekvpmlemtlpglrtsgieqleknpsprivkthlptdllpks fwennckmiylarnakdvsvsyyhfdlmnnlqpfpgtweeylekfltgkvaygswfthvk nwwkkkeehpilflyyedmkenpkeeikkiirfleknlndeildriihhtsfevmkdnpl vnythlpttvmdhskspfmrkgtagdwknyftvaqnekfdaiyetemsktalqfrtei
>1xv1A (A:) pkdilrkdlklvhgypmtcafasnwekieqfhsrpddiviatypksgttwvseiidmiln dgdiekckrgfitekvpmlemtlpglrtsgieqleknpsprivkthlptdllpksfwenn ckmiylarnakdvsvsyyhfdlmnnlqpfpgtweeylekfltgkvaygswfthvknwwkk keehpilflyyedmkenpkeeikkiirfleknlndeildriihhtsfevmkdnplvnyth lpttvmdhskspfmrkgtagdwknyftvaqnekfdaiyetemsktalqfrtei
>1xv1B (B:) gsmlspkdilrkdlklvhgypmtcafasnwekieqfhsrpddiviatypksgttwvseii dmilndgdiekckrgfitekvpmlemtlpglrtsgieqleknpsprivkthlptdllpks fwennckmiylarnakdvsvsyyhfdlmnnlqpfpgtweeylekfltgkvaygswfthvk nwwkkkeehpilflyyedmkenpkeeikkiirfleknlndeildriihhtsfevmkdnpl vnythlpttvmdhskspfmrkgtagdwknyftvaqnekfdaiyetemsktalqfrtei
>1xv1B (B:) pkdilrkdlklvhgypmtcafasnwekieqfhsrpddiviatypksgttwvseiidmiln dgdiekckrgfitekvpmlemtlpglrtsgieqleknpsprivkthlptdllpksfwenn ckmiylarnakdvsvsyyhfdlmnnlqpfpgtweeylekfltgkvaygswfthvknwwkk keehpilflyyedmkenpkeeikkiirfleknlndeildriihhtsfevmkdnplvnyth lpttvmdhskspfmrkgtagdwknyftvaqnekfdaiyetemsktalqfrtei