2FHM:
reference: Solution structure and conformational heterogeneity of acylphosphatase from Bacillus subtilis., Hu J, Li D, Su XD, Jin C, Xia B, FEBS Lett. 2010 Jul 2;584(13):2852-6. Epub 2010 May 4. PMID: 20447399

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