1A6X:
reference: Structure of the carboxy-terminal fragment of the apo-biotin carboxyl carrier subunit of Escherichia coli acetyl-CoA carboxylase., Yao X, Wei D, Soden C Jr, Summers MF, Beckett D, Biochemistry 1997 Dec 9;36(49):15089-100. PMID: 9398236

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