Chains and heterogens:
PDB Chain Sequences:
>1iaiH (H:) qiqlvqsgpelkkpgetvkisckasgytftnygmnwvkqapgkglkwmawintytgepty addfkgrfafsletsastaylqinnlknedtatyfcardgyyenyyamdywgqgtsvtvs sakttapsvyplapvcgdttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpavlqs dlytlsssvtvtssttpsqsitcnvahpasstkvdkkid
>1iaiI (I:) evklqesggglvqpggsmklscvasgftfnnywmswvrqspekglewvaeirlnsdnfat hyaesvkgkfiisrddsksrlylqmnslraedtgiyycvlrplfyyavdywgqgtsvtvs sakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqs dlytlsssvtvpstwrpsetvtcnvahpasstkvdkki
>1iaiL (L:) divmtqshkfmstsvgdrvsitckasqdvstavawyqqkpgqspklliysasyqytgvpd rftgsgsrtdftftinsvqaedlavyychqhystpftfgsgtkleikradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1iaiM (M:) diqltqspafmaaspgekvtitcsvsssisssnlhwyqqksetspkpwiygtsnlasgvp vrfsgsgsgtsysltissmeaedaatyycqqwnsypytfgggtkleikradaaptvsifp psseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstl tltkdeyerhnsytceathktstspivksfnrnec