Chains and heterogens:
PDB Chain Sequences:
>1tcbA (A:) lpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstqlg ytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltffps irskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivptt nlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrsa lrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlmpy arpfavgkrtcsgivtp
>1tcbB (B:) lpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstqlg ytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltffps irskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivptt nlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrsa lrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlmpy arpfavgkrtcsgivtp