4ZGS:
reference: Identification Of The Elusive Pyruvate Reductase Of Chlamydomonas reinhardtii Chloroplasts., Burgess SJ, Taha H, Yeoman JA, Iamshanova O, Chan KX, Boehm M, Bundy J, Bialek W, Murray JW, Nixon PJ, Plant Cell Physiol. 2015 Nov 15. pii: pcv167. PMID: 26574578

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