2W1K:
reference: Sortase-Mediated Pilus Fiber Biogenesis in Streptococcus pneumoniae., Manzano C, Contreras-Martel C, El Mortaji L, Izore T, Fenel D, Vernet T, Schoehn G, Di Guilmi AM, Dessen A, Structure. 2008 Dec 12;16(12):1838-48. PMID: 19081060

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