Chains and heterogens:
PDB Chain Sequences:
>1mfeH (H:) evqvqqsgtvlarpgasvkmsckasgytftnywmhwikqrpgqglewigaiypgnsatfy nhkfraktkltavtstitaymelssltnedsavyyctrgghgyygdywgqgasltvssak ttppsvyplapgsaaqtdsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivpr
>1mfeH (H:) evqvqqsgtvlarpgasvkmsckasgytftnywmhwikqrpgglewigaiypgnsatfyn hkfraktkltavtstitaymelssltnedsavyyctrgghgyygdywgqgasltvssakt tppsvyplapgssmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlsssv tvpsstwpsetvtcnvahpasstkvdkkivpr
>1mfeL (L:) eavvtqesalttspgetvtltcrsstgtvtsgnhanwvqekpdhlftgligdtnnrapgv parfsgsligdkaaltitgaqpedeaiyfcalwcnnhwifgggtkltvlgqpksspsvtl fppsseeletnkatlvctitdfypgvvtvdwkvdgtpvtqgmettqpskqsnnkymassy ltltarawerhssyscqvtheghtvekslsr