Chains and heterogens:
PDB Chain Sequences:
>1ngi_ (-) gpavgidlgttyscvgvfqhgkveiiandqgnrttpsyvaftdterligdaaknqvamnp tntvfdakrligrrfddavvqsdmkhwpfmvvndagrpkvqveykgetksfypeevssmv ltkmkeiaeaylgktvtnavvtvpayfndsqrqatkdagtiaglnvlriineptaaaiay gldkkvgaernvlifdlgggtfdvsiltiedgifevkstagdthlggedfdnrmvnhfia efkrkhkkdisenkravrrlrtacerakrtlssstqasieidslyegidfytsitrarfe elnadlfrgtldpvekalrdakldksqihdivlvggstripkiqkllqdffngkelnksi npdeavaygaavqaails