Chains and heterogens:
PDB Chain Sequences:
>2cpoA (A:) eepgsgigypydnntlpyvapgptdsrapcpalnalanhgyiphdgraisretlqnafln hmgiansvielaltnafvvceyvtgsdcgdslvnltllaephafehdhsfsrkdykqgva nsndfidnrnfdaetfqtsldvvagkthfdyadmneirlqreslsneldfpgwfteskpi qnvesgfifalvsdfnlpdndenplvridwwkywftnesfpyhlgwhppspareiefvts assavlaasvtstpsslpsgaigpgaeavplsfastmtpfllatnapyyaqdptlgpnd