>6QO0_1|Chains A, B, C, D|Sulfur oxygenase/reductase|Acidianus ambivalens (2283) MPKPYVAINMAELKNEPKTFEMFASVGPKVCMVTARHPGFVGFQNHWQIGILPFGNRYGGAKMDMTKESSTVRVLQYTFWKDWKDHEEMHRQNWSYLFRLCYSCASQMIWGPWEPIYEIIYANMPINTEMTDFTAVVGKKFAEGKPLDIPVISQPYGKRVVAFAEHSVIPGKEKQFEDAIVRTLEMLKKAPGFLGAMVLKEIGVSGIGSMQFGAKGFHQVLENPGSLEPDPNNVMYSVPEAKNTPQQYIVHVEWANTDALMFGMGRVLLYPELRQVHDEVLDTLVYGPYIRILNPMMEGTFWREYLNENAWRHPQFGG