Chains and heterogens:
PDB Chain Sequences:
>1w55A (A:) msemslimlaagnstrfntkvkkqflrlgndplwlyatknlssfypfkkivvtssnitym kkftknyefieggdtraeslkkalelidsefvmvsdvarvlvsknlfdrlienldkadci tpalkvadttlfdnealqrekikliqtpqisktkllkkaldqnleftddstaiaamggki wfvegeenarkltfkedlkkldlptpsfeiftgngfdvhefgenrplllagvqihptmgl kahsdgdvlahsltdailgaaglgdigelypdtdmkfknansmellkqaydkvreigfel inidicvmaqspklkdfkqamqsniahtldldefrinvkattteklgfigrkegmavlss vnlkyfdwtrl
>1w55A (A:) semslimlaagnstrfntkvkkqflrlgndplwlyatknlssfypfkkivvtssnitymk kftknyefieggdtraeslkkalelidsefvmvsdvarvlvsknlfdrlienldkadcit palkvadttlfdnealqrekikliqtpqisktkllkkaldqnleftddstaiaamggkiw fvegeenarkltfkedlkkldlptpsfeiftgngfdvhefgenrplllagvqihptmglk ahsdgdvlahsltdailgaaglgdigelypdtdmkfknansmellkqaydkvreigfeli nidicvmaqspklkdfkqamqsniahtldldefrinvkattteklgfigrkegmavlssv nlkyfdwtr