Correction: A nitric oxide synthase–like protein from Synechococcus produces NO/NO₃⁻ from l-arginine and NADPH in a tetrahydrobiopterin- and Ca²⁺-dependent manner.

VOLUME 294 (2019) PAGES 10708–10719

There was an error in the title. The abbreviation “NAPDH” should be “NADPH.”