Chains and heterogens:
PDB Chain Sequences:
>1mdl_ (-) evlitglrtravnvplaypvhtavgtvgtaplvlidlatsagvvghsylfaytpvalksl kqllddmaamivneplapvsleamlakrfclagytglirmaaagidmaawdalgkvhetp lvkllganarpvqaydshsldgvklateravtaaelgfravktrigypaldqdlavvrsi rqavgddfgimvdynqsldvpaaikrsqalqqegvtwieeptlqhdyeghqriqsklnvp vqmgenwlgpeemfkalsigacrlampdamkiggvtgwirasalaqqfgipmsshlfqei sahllaatptahwlerldlagsvieptltfeggnavipdlpgvgiiwrekeigkylv