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Human phosphopantothenoylcysteine synthetase (PPC synthetase) is a dimer with identical monomers.

[edit] References

• Manoj N, Strauss E, Begley TP, Ealick SE (Aug 2003). "Structure of human phosphopantothenoylcysteine synthetase at 2.3 A resolution". Structure 11 (8): 927–936. PMID 12906824. 
• Wallace SS, Bandaru V, Kathe SD, Bond JP (May 2003). "The enigma of endonuclease VIII". DNA Repair (Amst) 13;2 (5): 441–53. doi:10.1016/S1568-7864(02)00182-9. http://www.hprd.org/alternate?protein=07760&isoform_id=07760_1&isoform_name=Isoform_1.