>3FM2_1|Chains A, B|Uncharacterized protein, distantly related to a heme binding/degrading HemS (PF05171) family|Anabaena variabilis ATCC 29413 (240292) GMSHSLKDFLEACETLGTLRLIVTSSAAVLEARGKIEKLFYAELAKGKYANMHTEGFEFHLNMEKITQVKFETGEAKRGNFTTYAIRFLDEKQESALSLFLQWGKPGEYEPGQVEAWHTLKEKYGEVWEPLPVQL