Chains and heterogens:
PDB Chain Sequences:
>1lbt_ (-) lpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstqlg ytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltffps irskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivptt nlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrsa lrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlmpy arpfavgkrtcsgivtp