Chains and heterogens:
PDB Chain Sequences:
>1gr1A (A:) tqakakhadvpvnlyrpnapfigkvisneplvkeggigivqhikfdltggnlkyiegqsi giippgvdkngkpeklrlysiastrhgddvddktislcvrqleykhpesgetvygvcsty lthiepgsevkitgpvgkkmllpddpeanvimlatgtgiapmrtylwrmfkdaeraanpe yqfkgfswlvfgvpttpnilykeeleeiqqkypdnfrltyaisreqknpqggrmyiqdrv aehadqlwqliknqkthtyicglrgmeegidaalsaaaakegvtwsdyqkdlkkagrwhv ety
>1gr1A (A:) dvpvnlyrpnapfigkvisneplvkeggigivqhikfdltggnlkyiegqsigiippgvd kngkpeklrlysiastrhgddvddktislcvrqleykhpesgetvygvcstylthiepgs evkitgpvgkkmllpddpeanvimlatgtgiapmrtylwrmfkdaeraanpeyqfkgfsw lvfgvpttpnilykeeleeiqqkypdnfrltyaisreqknpqggrmyiqdrvaehadqlw qliknqkthtyicglrgmeegidaalsaaaakegvtwsdyqkdlkkagrwhvety