Chains and heterogens:
PDB Chain Sequences:
>2opxA (A:) msvpvqhpmyidgqfvtwrgdawidvvnpateavisripdgqaedarkaidaaeraqpew ealpaieraswlrkisagirerateisaliveeggkiqqlaevevaftadyidymaewar ryegeiiqsdrpgenillfkralgvttgilpwnfpffliarkmapalltgntivikpsef tpnnaiafakivdeiglprgvfnlvlgrgetvgqelagnpkvamvsmtgsvsagekimat aaknitkvclelggkapaivmddadlelavkaivdsrvinsgqvcncaervyvqkgiydq fvnrlgeamqavqfgnpaerndiamgplinaaalerveqkvaraveegarvalggkaveg kgyyypptllldvrqemsimheetfgpvlpvvafdtleeaismandsdygltssiytqnl nvamkaikglkfgetyinrenfeamqgfhagwrksgiggadgkhglheylqtqvvylqs
>2opxA (A:) vpvqhpmyidgqfvtwrgdawidvvnpateavisripdgqaedarkaidaaeraqpewea lpaieraswlrkisagirerateisaliveeggkiqqlaevevaftadyidymaewarry egeiiqsdrpgenillfkralgvttgilpwnfpffliarkmapalltgntivikpseftp nnaiafakivdeiglprgvfnlvlgrgetvgqelagnpkvamvsmtgsvsagekimataa knitkvclelggkapaivmddadlelavkaivdsrvinsgqvcncaervyvqkgiydqfv nrlgeamqavqfgnpaerndiamgplinaaalerveqkvaraveegarvalggkavegkg yyypptllldvrqemsimheetfgpvlpvvafdtleeaismandsdygltssiytqnlnv amkaikglkfgetyinrenfeamqgfhagwrksgiggadgkhglheylqtqvvylqs