2ALM:
reference: Roles of the active site water, histidine 303, and phenylalanine 396 in the catalytic mechanism of the elongation condensing enzyme of Streptococcus pneumoniae., Zhang YM, Hurlbert J, White SW, Rock CO, J Biol Chem. 2006 Jun 23;281(25):17390-9. Epub 2006 Apr 16. PMID: 16618705

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