4G74:
reference: Structural insight into the type-II mitochondrial NADH dehydrogenases., Feng Y, Li W, Li J, Wang J, Ge J, Xu D, Liu Y, Wu K, Zeng Q, Wu JW, Tian C, Zhou B, Yang M, Nature. 2012 Nov 15;491(7424):478-82. doi: 10.1038/nature11541. Epub 2012 Oct 21. PMID: 23086143

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