Chains and heterogens:
PDB Chain Sequences:
>1yu0A (A:) mstavqfrggttaqhatftgaareitvdtdkntvvvhdgataggfplarhdlvktafika dksavaftrtgnatasikagtivevngklvqftadtaitmpaltagtdyaiyvcddgtvr adsnfsaptgytsttarkvggfhyapgsnaaaqaggnttaqineyslwdikfrpaaldpr gmtlvagafwadiyllgvnhltdgtskynvtiadgsaspkkstkfggdgsaaysdgawyn faevmthhgkrlpnynefqalafgtteatssggtdvpttgvngtgatsawniftskwgvv qasgclwtwgnefggvngaseytantggrgsvyaqpaaalfggawngtslsgsraalwys gpsfsfaffgargvcdhlile
>1yu0A (A:) vqfrggttaqhatftgaareitvdtdkntvvvhdgataggfplarhdlvktafikadksa vaftrtgnatasikagtivevngklvqftadtaitmpaltagtdyaiyvcddgtvradsn fsaptgytsttarkvggfhyapgsnaaaqaggnttaqineyslwdikfrpaaldprgmtl vagafwadiyllgvnhltdgtskynvtiadgsaspkkstkfggdgsaaysdgawynfaev mthhgkrlpnynefqalafgtteatssggtdvpttgvngtgatsawniftskwgvvqasg clwtwgnefggvngaseytantggrgsvyaqpaaalfggawngtslsgsraalwysgpsf sfaffgargvcdhlil