Chains and heterogens:
PDB Chain Sequences:
>1u6aH (H:) qvqlqesgpglvkpsetlsltctvsggsisshywswirqspgkglqwigyiyysgstnys pslksrvtisvetaknqfslkltsmtaadtavyycargpvpavfygdyrldpwgqgtlvt vssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk
>1u6aH (H:) vqlqesgpglvkpsetlsltctvsggsisshywswirqspgkglqwigyiyysgstnysp slksrvtisvetaknqfslkltsmtaadtavyycargpvpavfygdyrldpwgqgtlvtv ssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlq ssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvep
>1u6aL (L:) eivltqspgtlslsageratlscrasqsvssrylawyqqkpgqaprlliygassratgip drfsgsgsgtdftltisrvepedfavyycqqydnsvctfgqgtkleikrtvaapsvfifp psdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstl tlskadyekhkvyacevthqglsspvtksfnrgec
>1u6aL (L:) eivltqspgtlslsageratlscrasqsvssrylawyqqkpgqaprlliygassratgip drfsgsgsgtdftltisrvepedfavyycqqydnsvctfgqgtkleikrtvaapsvfifp psdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstl tlskadyekhkvyacevthqglsspvtksfnrge