Chains and heterogens:
PDB Chain Sequences:
>4prxA (A:) mhhhhhhsnsydsssikvlkgldavrkrpgmyigdtddgtglhhmvfevvdnaidealag hckeiivtihadnsvsvqddgrgiptgihpeegvsaaevimtvlhaggkfddnsykvsgg lhgvgvsvvnalsqklelviqregkihrqiyehgvpqaplavtgetektgtmvrfwpsle tftnvtefeyeilakrlrelsflnsgvsirlrdkrdgkedhfhyeggikafveylnknkt pihpnifyfstekdgigvevalqwndgfqeniycftnnipqrdggthlagfraamtrtln aymdkegyskkakvsatgddaregliavvsvkvpdpkfssqtkdklvssevksaveqqmn ellaeyllenptdakivvgkiidaarareaarraremt
>4prxA (A:) sydsssikvlkgldavrkrpgmyigdtddgtglhhmvfevvdnaidealaghckeiivti hadnsvsvqddgrgiptgihpeegvsaaevimtvlhaggkfddnsykvsgglhgvgvsvv nalsqklelviqregkihrqiyehgvpqaplavtgetektgtmvrfwpsletftnvtefe yeilakrlrelsflnsgvsirlrdkrdgkedhfhyeggikafveylnknktpihpnifyf stekdgigvevalqwndgfqeniycftnnipqrdggthlagfraamtrtlnaymdkegys aregliavvsvkvpdpkfssqtkdklvssevksaveqqmnellaeyllenptdakivvgk iid