Chains and heterogens:
PDB Chain Sequences:
>1ca1A (A:) wdgkidgtgthamivtqgvsilendlsknepesvrknleilkenmhelqlgstypdydkn aydlyqdhfwdpdtdnnfskdnswylaysipdtgesqirkfsalaryewqrgnykqatfy lgeamhyfgdidtpyhpanvtavdsaghvkfetfaeerkeqykintvgcktnedfyadil knkdfnawskeyargfaktgksiyyshasmshswddwdyaakvtlansqkgtagyiyrfl hdvsegndpsvgknvkelvayistsgekdagtddymyfgiktkdgktqewemdnpgndfm tgskdtytfklkdenlkiddiqnmwirkrkytafpdaykpenikviangkvvvdkdinew isgnstynik