Chains and heterogens:
PDB Chain Sequences:
>1xvvA (A:) gshmdhlpmpkfgplaglrvvfsgieiagpfagqmfaewgaeviwienvawadtirvqpn ypqlsrrnlhalslnifkdegreaflklmettdifieaskgpafarrgitdevlwqhnpk lviahlsgfgqygteeytnlpayntiaqafsgyliqngdvdqpmpafpytaayfsgltat taalaalhkvretgkgesidiamyevmlrmgqyfmmdyfnggemcprmskgkdpyyagcg lykcadgyivmelvgitqieecfkdiglahllgtpeipegtqlihriecpygplveekld awlathtiaevkerfaelniacakvltvpelesnpqyvaresitqwqtmdgrtckgpnim pkfknnpgqiwrgmpshgmdtaailknigysendiqelvskglakved
>1xvvA (A:) lpmpkfgplaglrvvfsgieiagpfagqmfaewgaeviwienvawadtirvqpnypqlsr rnlhalslnifkdegreaflklmettdifieaskgpafarrgitdevlwqhnpklviahl sgfgqygteeytnlpayntiaqafsgyliqngdvdqpmpafpytaayfsgltattaalaa lhkvretgkgesidiamyevmlrmgqyfmmdyfnggemcprmskgkdpyyagcglykcad gyivmelvgitqieecfkdiglahllgtpeipegtqlihriecpygplveekldawlath tiaevkerfaelniacakvltvpelesnpqyvaresitqwqtmdgrtckgpnimpkfknn pgqiwrgmpshgmdtaailknigysendiqelvskglakved