4NYT:
reference: Human L-ficolin recognizes phosphocholine moieties of pneumococcal teichoic Acid., Vassal-Stermann E, Lacroix M, Gout E, Laffly E, Pedersen CM, Martin L, Amoroso A, Schmidt RR, Zahringer U, Gaboriaud C, Di Guilmi AM, Thielens NM, J Immunol. 2014 Dec 1;193(11):5699-708. doi: 10.4049/jimmunol.1400127. Epub 2014 , Oct 24. PMID: 25344472

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