Chains and heterogens:
PDB Chain Sequences:
>1w57A (A:) msemslimlaagnstrfntkvkkqflrlgndplwlyatknlssfypfkkivvtssnitym kkftknyefieggdtraeslkkalelidsefvmvsdvarvlvsknlfdrlienldkadci tpalkvadttlfdnealqrekikliqtpqisktkllkkaldqnleftddstaiaamggki wfvegeenarkltfkedlkkldlptpsfeiftgngfdvhefgenrplllagvqihptmgl kahsdgdvlahsltdailgaaglgdigelypdtdmkfknansmellkqaydkvreigfel inidicvmaqspklkdfkqamqsniahtldldefrinvkattteklgfigrkegmavlss vnlkyfdwtrl
>1w57A (A:) emslimlaagnstrfntkvkkqflrlgndplwlyatknlssfypfkkivvtssnitymkk ftknyefieggdtraeslkkalelidsefvmvsdvarvlvsknlfdrlienldkadcitp alkvadttlfdnealqrekikliqtpqisktkllkkaldqnleftddstaiaamggkiwf vegeenarkltfkedlkkldlptpsfeiftgngfdvhefgenrplllagvqihptmglka hsdgdvlahsltdailgaaglgdigelypdtdmkfknansmellkqaydkvreigfelin idicvmaqspklkdfkqamqsniahtldldefrinvkattteklgfigrkegmavlssvn lkyfdwtr