Chains and heterogens:
PDB Chain Sequences:
>1po7A (A:) masvhgttyellrrqgidtvfgnpgsnalpflkdfpedfryilalqeacvvgiadgyaqa srkpafinlhsaagtgnamgalsnawnshsplivtagqqtramigvealltnvdaanlpr plvkwsyepasaaevphamsraihmasmapqgpvylsvpyddwdkdadpqshhlfdrhvs ssvrlndqdldilvkalnsasnpaivlgpdvdaananadcvmlaerlkapvwvapsaprc pfptrhpcfrglmpagiaaisqlleghdvvlvigapvfryhqydpgqylkpgtrlisvtc dpleaarapmgdaivadigamasalanlveessrqlptaapepakvdqdagrlhpetvfd tlndmapenaiylneststtaqmwqrlnmrnpgsyyfcaagglgfalpaaigvqlaeper qviavigdgsanysisalwtaaqyniptifvimnngtygalrwfagvleaenvpgldvpg idfralakgygvqalkadnleqlkgslqealsakgpvlievstvspvk
>1po7A (A:) asvhgttyellrrqgidtvfgnpgsnalpflkdfpedfryilalqeacvvgiadgyaqas rkpafinlhsaagtgnamgalsnawnshsplivtagqqtramigvealltnvdaanlprp lvkwsyepasaaevphamsraihmasmapqgpvylsvpyddwdkdadpqshhlfdrhvss svrlndqdldilvkalnsasnpaivlgpdvdaananadcvmlaerlkapvwvapsaprcp fptrhpcfrglmpagiaaisqlleghdvvlvigapvfryhqydpgqylkpgtrlisvtcd pleaarapmgdaivadigamasalanlveessrqlptaapepakvdqdagrlhpetvfdt lndmapenaiylneststtaqmwqrlnmrnpgsyyfcaagglgfalpaaigvqlaeperq viavigdgsanysisalwtaaqyniptifvimnngtygalrwfagvleaenvpgldvpgi dfralakgygvqalkadnleqlkgslqealsakgpvlievstvs