Chains and heterogens:
PDB Chain Sequences:
>1gdqA (A:) ivggtsasagdfpfivsisrnggpwcggsllnantvltaahcvsgyaqsgfqiragslsr tsggitsslssvrvhpsysgnnndlailklstsipsggnigyarlaasgsdpvagssatv agwgatseggsstpvnllkvtvpivsratcraqygtsaitnqmfcagvssggkdscqgds ggpivdssntligavswgngcarpnysgvyasvgalrsfidtya