Chains and heterogens:
PDB Chain Sequences:
>4cd3A (A:) mahhhhhhvgtgsnddddkspdptqdvreppalkygivldagsshtsmfvykwpadkend tgivgqhsscdvqgggissyandpskagqslvrcleqalrdvprdrhastplylgatagm rllnltspeatarvleavtqtltqypfefrgarilsgqdegvfgwvtanyllenfikygw vgrwirprkgtlgamdlggastqitfettspsedpgnevhlrlygqhyrvythsflcygr dqillrllasalqihrfhpcwpkgystqvllqevyqspctmgqrprafngsaivslsgts natlcrdlvsrlfnisscpfsqcsfngvfqppvagnfiafsafyytvdflttvmglpvgt lkqleeateitcnqtwtelqarvpgqktrladycavamfihqllsrgyhfdersfrevvf skkaadtavgwalgymlnltnlipadlpglrkgthf
>4cd3A (A:) palkygivldagsshtsmfvykwpadkendtgivgqhsscdvqgggissyandpskagqs lvrcleqalrdvprdrhastplylgatagmrllnltspeatarvleavtqtltqypfefr garilsgqdegvfgwvtanyllenfikygwvgrwirprkgtlgamdlggastqitfetts psedpgnevhlrlygqhyrvythsflcygrdqillrllasalqihrfhpcwpkgystqvl lqevyqspctmgqrpsaivslsgtsnatlcrdlvsrlfnisscpfsqcsfngvfqppvag nfiafsafyytvdflttvmglpvgtlkqleeateitcnqtwtelqarvpgqktrladyca vamfihqllsrgyhfdersfrevvfskkaadtavgwalgymlnltnlipadlpglrkgth f