Chains and heterogens:
PDB Chain Sequences:
>2fgwH (H:) evqlvesggglvqpggslrlscatsgytfteytmhwmrqapgkglewvaginpknggtsh nqrfmdrftisvdkststaymqmnslraedtavyycarwrglnygfdvryfdvwgqgtlv tvssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpav lqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepkscdktht
>2fgwH (H:) evqlvesggglvqpggslrlscatsgytfteytmhwmrqapgkglewvaginpknggtsh nqrfmdrftisvdkststaymqmnslraedtavyycarwrryfdvwgqgtlvtvssastk gpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglys lssvvtvpssslgtqtyicnvnhkpsntkvdkkvepkscd
>2fgwL (L:) diqmtqspsslsasvgdrvtitcrasqdinnylnwyqqkpgkapklliyytstlhsgvps rfsgsgsgtdytltisslqpedfatyycqqgntlpptfgqgtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrgec