>sp|P81445|NIR_ALCXX Copper-containing nitrite reductase OS=Alcaligenes xylosoxydans xylosoxydans GN=nirK GLPRVAVDLVAPPLVHPHSQVAAGAPKVVQFRMSIEEKKMVADDDGTTAQAMTFNGSVPG PTLVVHEGDYIELTLVNPATNSMPHNVDFHAATGALGGAGLTQVVPGQEAVLRFKADRSG TFVYHCAPAGMVPWHVVSGMNGALMVLPRDGLRDAAGAALAYDRVYTIGESDLYVPKAAD GNYSDYPALASAYADTVAVMRTLTPSHAVFNGAVGALTGANALTAAVGESVLIIHSQANR DSRPHLIGGHGDWVWTTGKFANPPQLNMETWFIPGGSAAAALYTFKQPGTYAYLSHNLIE AMELGAAAQASVEGQWDDDLMTSVAAPGPA