Chains and heterogens:
PDB Chain Sequences:
>1efdN (N:) gidpnrivalewlpvelllalgivpygvadtinyrlwvsepplpdsvidvglrtepnlel ltemkpsfmvwsagygpspemlariapgrgfnfsdgkqplamarksltemadllnlqsaa ethlaqyedfirsmkprfvkrgarplllttlidprhmlvfgpnslfqeildeygipnawq getnfwgstavsidrlaaykdvdvlcfdhdnskdmdalmatplwqampfvragrfqrvpa vwfygatlsamhfvrvldnaig