2RPW:
reference: Structural properties of a peptide derived from H(+)-V-ATPase subunit a., Vermeer LS, Reat V, Hemminga MA, Milon A, Biochim Biophys Acta. 2009 Feb 26. PMID: 19249284

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