6FNY:
reference: Structural and Mechanistic Analysis of the Choline Sulfatase from Sinorhizobium melliloti: A Class I Sulfatase Specific for an Alkyl Sulfate Ester., van Loo B, Schober M, Valkov E, Heberlein M, Bornberg-Bauer E, Faber K, Hyvonen M, Hollfelder F, J Mol Biol. 2018 Feb 16. pii: S0022-2836(18)30081-0. doi:, 10.1016/j.jmb.2018.02.010. PMID: 29458126

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).