Chains and heterogens:
PDB Chain Sequences:
>3f6eX (X:) asvhgttyellrrqgidtvfgnpgsnelpflkdfpedfryilalqeacvvgiadgyaqas rkpafinlhsaagtgnamgalsnawnshsplivtagqqtramigvealltnvdaanlprp lvkwsyepasaaevphamsraihmasmapqgpvylsvpyddwdkdadpqshhlfdrhvss svrlndqdldilvkalnsasnpaivlgpdvdaananadcvmlaerlkapvwvapsaprcp fptrhpcfrglmpagiaaisqlleghdvvlvigapvfryhqydpgqylkpgtrlisvtcd pleaarapmgdaivadigamasalanlveessrqlptaapepakvdqdagrlhpetvfdt lndmapenaiylneststtaqmwqrlnmrnpgsyyfcaagglgfalpaaigvqlaeperq viavigdgsanysisalwtaaqyniptifvimnngtygalrwfagvleaenvpgldvpgi dfralakgygvqalkadnleqlkgslqealsakgpvlievstvsp