Chains and heterogens:
PDB Chain Sequences:
>3fctA (A:) elvmtqtpkfmsttvgdrvsitckasqnvgtpvawyqqkpgqspklliysasnrytgvpd rftgsgsgtdftltisnmqsedladyfcqqyssypltfgggtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrne
>3fctB (B:) qvqllesgaelvkpgasvklsckasgytftsywmhwvkqrpgrglewigmidpnsggtky nekfkskatltvdkpsntaymqlssltsedsavyyctrrdmdywgagttvtvssastkgp svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkivpks
>3fctC (C:) elvmtqtpkfmsttvgdrvsitckasqnvgtpvawyqqkpgqspklliysasnrytgvpd rftgsgsgtdftltisnmqsedladyfcqqyssypltfgggtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrne
>3fctD (D:) qvqllesgaelvkpgasvklsckasgytftsywmhwvkqrpgrglewigmidpnsggtky nekfkskatltvdkpsntaymqlssltsedsavyyctrrdmdywgagttvtvssastkgp svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkivpks