Chains and heterogens:
PDB Chain Sequences:
>2zh6A (A:) mkveeilekalelvipdeeevrkgreaeeelrrrldelgveyvfvgsyarntwlkgslei dvfllfpeefskeelrergleigkavldsyeiryaehpyvhgvvkgvevdvvpcyklkep kniksavdrtpfhhkwlegrikgkenevrllkgflkangiygaeykvrgfsgylcelliv fygsfletvknarrwtrrtvidvakgevrkgeeffvvdpvdekrnvaanlsldnlarfvh lcrefmeapslgffkpkhpleieperlrkiveergtavfavkfrkpdivddnlypqlera srkifeflerenfmplrsafkaseefcyllfecqikeisrvfrrmgpqfedernvkkfls rnrafrpfiengrwwafemrkfttpeegvrsyasthwhtlgknvgesireyfeiisgekl fkepvtaelcemmgvkd