Chains and heterogens:
PDB Chain Sequences:
>4f5uA (A:) dthkseiahrfndlgekhfkglvlvafsqylqqcpfedhvklvnevtefakkcaadesae ncdkslhtlfgdklctvatlratygeladccekqepernecflthkddhpnlpklkpepd aqcaafqedpdkflgkylyevarrhpyfygpellfhaeeykadfteccpaddklaclipk ldalkerillssakerlkcssfqnfgeravkawsvarlsqkfpkadfaevskivtdltkv hkecchgdllecaddradlakyicehqdsisgklkaccdkpllqkshciaevkeddlpsd lpalaadfaedkeickhykdakdvflgtflyeysrrhpdysvslllriaktyeatlekcc aeadppacyrtvfdqftplveepkslvkkncdlfeevgeydfqnalivrytkkapqvstp tlveigrtlgkvgsrccklpeserlpcsenhlalalnrlcvlhektpvsekitkcctdsl aerrpcfsaleldegyvpkefkaetftfhadictlpedekqikkqsalaelvkhkpkatk eqlktvlgnfsafvakccgredkeacfaeegpklvassqlala