>3QDL_1|Chains A, B, C, D|Oxygen-insensitive NADPH nitroreductase|Helicobacter pylori (210) MKFLDQEKRRQLLNERHSCKMFDSHYEFSSTELEEIAEIARLSPSSYNTQPWHFVMVTDKDLKKQIAAHSYFNEEMIKSASALMVVCSLRPSELLPHGHYMQNLYPESYKVRVIPSFAQMLGVRFNHSMQRLESYILEQCYIAVGQICMGVSLMGLDSCIIGGFDPLKVGEVLEERINKPKIACLIALGKRVAEASQKSRKSKVDAITWL