English: Escherichia coli aspartate carbamoyltransferase heterododecamer complex. The catalytic homohexamer is coloured blue with a single protomer highlighted in red. Each regulatory dimer is coloured orange with each protomer bound to dCTP, UTP (black) and magnesium ion (pink) ligands. PDB: 4YFF
Date
(upload to Wikimedia Commons), 5 July 2012 (deposition at PDB)
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