Chains and heterogens:
PDB Chain Sequences:
>1mzfA (A:) gamaataaeavasgsgepreeagalgpawdesqlrsysfptrpiprlsqsdpraeelien eepvvltdtnlvypalkwdleylqenigngdfsvysasthkflyydekkmanfqnfkprs nreemkfhefveklqdiqqrggeerlylqqtlndtvgrkivmdflgfnwnwinkqqgkrg wgqltsnllligmegnvtpahydeqqnffaqikgykrcilfppdqfeclypypvhhpcdr qsqvdfdnpdyerfpnfqnvvgyetvvgpgdvlyipmywwhhiesllnggititvnfwyk gaptpkrieyplkahqkvaimrniekmlgealgnpqevgpllntmikgryn
>1mzfA (A:) sgepreeagalgpawdesqlrsysfptrpiprlsqsdpraeelieneepvvltdtnlvyp alkwdleylqenigngdfsvysasthkflyydekkmanfqnfkprsnreemkfhefvekl qdiqqgeerlylqqtlndtvgrkivmdflgfnwnwinkqqgkrgwgqltsnllligmegn vtpahydeqqnffaqikgykrcilfppdqfeclypypvhhpcdrqsqvdfdnpdyerfpn fqnvvgyetvvgpgdvlyipmywwhhiesllnggititvnfwykgaptpkrieyplkahq kvaimrniekmlgealgnpqevgpllntmikgryn