Chains and heterogens:
PDB Chain Sequences:
>1j7xA (A:) dpsvthvlhqlcdilannyafseriptllqhlpnldystviseediaaklnyelqslted prlvlksktdtlvmpgdsiqaenipedeamlqalvntvfkvsilpgnigylrfdqfadvs viaklapfivntvwepititenliidlrynvggsstavplllsyfldpetkihlftlhnr qqnstdevyshpkvlgkpygskkgvyvltshqtataaeefaylmqslsratiigeitsgn lmhskvfpfgdtqlsvtvpiinfidsngdywlgggvvpdaivladealdkakeiiafhpp la