Chains and heterogens:
PDB Chain Sequences:
>4gxrA (A:) mnanlfarlfdklddphklaietaagdkisyaelvaragrvanvlvarglqvgdrvaaqt eksvealvlylatvraggvylplntaytlheldyfitdaepkivvcdpskrdgiaaiaak vgatvetlgpdgrgsltdaaagaseafatidrgaddlaailytsgttgrskgamlshdnl asnsltlvdywrftpddvlihalpiyhthglfvasnvtlfargsmiflpkfdpdkildlm aratvlmgvptfytrllqsprltkettghmrlfisgsaplladthrewsaktghavlery gmtetnmntsnpydgdrvpgavgpalpgvsarvtdpetgkelprgdigmievkgpnvfkg ywrmpektksefrddgffitgdlgkidergyvhilgrgkdlvitggfnvypkeieseida mpgvvesavigvphadfgegvtafvvlkrefapseaqvlhgldgqlakfkmpkkvifvdd lprntmgavqknvlretykdiyk