Chains and heterogens:
PDB Chain Sequences:
>1m8zA (A:) grsrlledfrnnrypnlqlreiaghimefsqdqhgsrfiqlkleratpaerqlvfneilq aayqlmvdvfgnyviqkffefgsleqklalaerirghvlslalqmygcrviqkalefips dqqnemvreldghvlkcvkdqngnhvvqkciecvqpqslqfiidafkgqvfalsthpygc rviqrilehclpdqtlpileelhqhteqlvqdqygnyviqhvlehgrpedkskivaeirg nvlvlsqhkfasnvvekcvthasrteravlidevctmndgphsalytmmkdqyanyvvqk midvaepgqrkivmhkirphiatlrkytygkhilaklekyymkngvdlg
>1m8zA (A:) grsrlledfrnnrypnlqlreiaghimefsqdqhgsrfiqlkleratpaerqlvfneilq aayqlmvdvfgnyviqkffefgsleqklalaerirghvlslalqmygcrviqkalefips dqqnemvreldghvlkcvkdqngnhvvqkciecvqpqslqfiidafkgqvfalsthpygc rviqrilehclpdqtlpileelhqhteqlvqdqygnyviqhvlehgrpedkskivaeirg nvlvlsqhkfasnvvekcvthasrteravlidevctmndgphsalytmmkdqyanyvvqk midvaepgqrkivmhkirphiatlrkytygkhilaklek