>6WK3_1|Chains A, B, C, D|Nitric oxide dioxygenase|Rhodothermus marinus DSM 4252 (518766) SMAPTLSEQTRQLVRASVPALQKHSVAISATMYRLLFERYPETRSLFELPERVIHKLASALLAYARSIDNPSALQAAIRRMVLSHARAGVQAVHYPLVWECLRDAIKEVLGPDATETLLQAWKEAYDFLAHLLSTKEAQVYAVLAE