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. 2021 Feb 23;7(3):476–487. doi: 10.1021/acscentsci.0c01285

Figure 1.

Figure 1

The Embden–Meyerhof–Parnas sulfoglycolysis pathway in E. coli. (a) Proposed biochemical pathway for metabolism of SQGro. Lipase cleavage of acyl groups in SQDG occurs in the environment. (b) Sulfo-EMP operon showing binding sites for the CsqR transcriptional repressor. SQDG, sulfoquinovosyl diacylglycerol; SQGro, α-sulfoquinovosyl glycerol; SQ, sulfoquinovose; SF, 6-deoxy-6-sulfofructose; SR, 6-deoxy-6-sulforhamnose; SFP, 6-deoxy-6-sulfofructose-1-phosphate; SLA, sulfolactaldehyde; DHPS, 2,3-dihydroxypropanesulfonate; DHAP, dihydroxyacetone phosphate; NADH, nicotinamide adenine dinucleotide, reduced form. Formation of SQGro is achieved by lipase action on sulfoquinovosyl diacylglycerol.