Chains and heterogens:
PDB Chain Sequences:
>2i4eA (A:) sdrplsvhlnlgqkgnrktscpikinqfeghfmklqadsnyllskeyeelkdvgrnqscd iallpenrgknrynnilpydatrvklsnvdddpcsdyinasyipgnnfrreyivtqgplp gtkddfwkmvweqnvhnivmvtqcvekgrvkcdhywpadqdslyygdlilqmlsesvlpe wtirefkicgeeqldahrlirhfhytvwpdhgvpettqsliqfvrtvrdyinrspgagpt vvhcsagvgrtgtfialdrilqqldskdsvdiygavhdlrlhrvhmvqtecqyvylhqcv rdvlrarklrseq
>2i4eA (A:) ktscpikinqfeghfmklqadsnyllskeyeelkdvgrnqscdiallpenrgknrynnil pydatrvklsncsdyinasyipgnnfrreyivtqgplpgtkddfwkmvweqnvhnivmvt qcvekgrvkcdhywpadqdslyygdlilqmlsesvlpewtirefkicgerlirhfhytvw pdhgvpettqsliqfvrtvrdyinrspgagptvvhcsagvgrtgtfialdrilqqldskd svdiygavhdlrlhrvhmvqtecqyvylhqcvrdvlrarkl
>2i4eB (B:) sdrplsvhlnlgqkgnrktscpikinqfeghfmklqadsnyllskeyeelkdvgrnqscd iallpenrgknrynnilpydatrvklsnvdddpcsdyinasyipgnnfrreyivtqgplp gtkddfwkmvweqnvhnivmvtqcvekgrvkcdhywpadqdslyygdlilqmlsesvlpe wtirefkicgeeqldahrlirhfhytvwpdhgvpettqsliqfvrtvrdyinrspgagpt vvhcsagvgrtgtfialdrilqqldskdsvdiygavhdlrlhrvhmvqtecqyvylhqcv rdvlrarklrseq
>2i4eB (B:) ktscpikinqfeghfmklqadsnyllskeyeelkdvgrnqscdiallpenrgknrynnil pydatrvklscsdyinasyipgnnfrreyivtqgplpgtkddfwkmvweqnvhnivmvtq cvekgrvkcdhywpadqdslyygdlilqmlsesvlpewtirefkicghrlirhfhytvwp dhgvpettqsliqfvrtvrdyinrspgagptvvhcsagvgrtgtfialdrilqqldskds vdiygavhdlrlhrvhmvqtecqyvylhqcvrdvlrarkl