Chains and heterogens:
PDB Chain Sequences:
>1ernA (A:) kfeskaallaargpeellcfterledlvcfweeaasagvgpgnysfsyqledepwklcrl hqaptargavrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglva rladesghvvlrwlpppetpmtshiryevdvsagngagsvqrveilegrtecvlsnlrgr trytfavrarmaepsfggfwsawsepvslltp
>1ernA (A:) kfeskaallaaeellcfterledlvcfweeaasagvgpgnysfsyqledepwklcrlhqa ptargavrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglvarla deghvvlrwlpppetpmtshiryevdvsaggagsvqrveilegrtecvlsnlrgrtrytf avrarmaepsfggfwsawsepvslltp
>1ernB (B:) kfeskaallaargpeellcfterledlvcfweeaasagvgpgnysfsyqledepwklcrl hqaptargavrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglva rladesghvvlrwlpppetpmtshiryevdvsagngagsvqrveilegrtecvlsnlrgr trytfavrarmaepsfggfwsawsepvslltps
>1ernB (B:) kfeskaallaaeellcfterledlvcfweeaasagvgpgnysfsyqledepwklcrlhqa ptargavrfwcslptadtssfvplelrvtaasgapryhrvihinevvlldapvglvarla desghvvlrwlpppetpmtshiryevdvsaggagsvqrveilegrtecvlsnlrgrtryt favrarmaepsfggfwsawsepvslltps