4UU4:
reference: Crystal structure of LptH, the periplasmic component of the lipopolysaccharide transport machinery from Pseudomonas aeruginosa., Bollati M, Villa R, Gourlay LJ, Benedet M, Deho G, Polissi A, Barbiroli A, Martorana AM, Sperandeo P, Bolognesi M, Nardini M, FEBS J. 2015 Mar 4. doi: 10.1111/febs.13254. PMID: 25735820

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