Chains and heterogens:
PDB Chain Sequences:
>1ngxA (A:) elvmtqtpkfmstsvgdrvsitckasqnvgtavawyqqkpgqspklliysasnrytgvpd rftgsgsgtdftltisnmqsedladyfcqqyssypltfgggtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrne
>1ngxB (B:) qvqllesgaelvkpgasvklsckasgytftsywmhwvkqrpgrglewigridpnsggtky nekfkskatltvdkpsstaymqlssltsedsavyyctrrdsdywgagttvtvssastkgp svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkivpks
>1ngxH (H:) qvqllesgaelvkpgasvklsckasgytftsywmhwvkqrpgrglewigridpnsggtky nekfkskatltvdkpsstaymqlssltsedsavyyctrrdsdywgagttvtvssastkgp svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkivpks
>1ngxL (L:) elvmtqtpkfmstsvgdrvsitckasqnvgtavawyqqkpgqspklliysasnrytgvpd rftgsgsgtdftltisnmqsedladyfcqqyssypltfgggtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrne