Chains and heterogens:
PDB Chain Sequences:
>1h7tA (A:) skaviviparygssrlpgkplldivgkpmiqhvyeralqvagvaevwvatddprveqavq afggkaimtrndhesgtdrlvevmhkveadiyinlqgdepmirprdvetllqgmrddpal pvatlchaisaaeaaepstvkvvvntrqdalyfsrspipyprnaekarylkhvgiyayrr dvlqnysqlpesmpeqaesleqlrlmnaginirtfevaatgpgvdtpaclekvralmaqe laena
>1h7tB (B:) skaviviparygssrlpgkplldivgkpmiqhvyeralqvagvaevwvatddprveqavq afggkaimtrndhesgtdrlvevmhkveadiyinlqgdepmirprdvetllqgmrddpal pvatlchaisaaeaaepstvkvvvntrqdalyfsrspipyprnaekarylkhvgiyayrr dvlqnysqlpesmpeqaesleqlrlmnaginirtfevaatgpgvdtpaclekvralmaqe laena
>1h7tB (B:) skaviviparygssrlpgkplldivgkpmiqhvyeralqvagvaevwvatddprveqavq afggkaimtrndhesgtdrlvevmhkveadiyinlqgdepmirprdvetllqgmrddpal pvatlchaisaaeaaepstvkvvvntrqdalyfsrspipyprnaekarylkhvgiyayrr dvlqnysqlpesmpeqaesleqlrlmnaginirtfevaatgpgvdtpaclekvralmaqe l