Chains and heterogens:
PDB Chain Sequences:
>1x8hA (A:) agmsltqvsgpvyvvednyyvqensmvyfgakgvtvvgatwtpdtarelhklikrvsrkp vlevintnyhtdraggnaywksigakvvstrqtrdlmksdwaeivaftrkglpeypdlpl vlpnvvhdgdftlqegkvrafyagpahtpdgifvyfpdeqvlyggcilkeklgnlsfadv kaypqtlerlkamklpiktvigghdsplhgpelidhyealikaapqss