1JBF:
reference: A novel family of hairpin peptides that inhibit IgE activity by binding to the high-affinity IgE receptor., Nakamura GR, Starovasnik MA, Reynolds ME, Lowman HB, Biochemistry 2001 Aug 21;40(33):9828-35. PMID: 11502176

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