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Table 2 Comparison of human (Hsa) and A. godoyi (Ago) CII, CIII, CIV, and CV subunits

From: The draft nuclear genome sequence and predicted mitochondrial proteome of Andalucia godoyi, a protist with the most gene-rich and bacteria-like mitochondrial genome

Complex IIComplex IIIComplex IVComplex V
HsaAgoHsaAgoHsaAgoaHsaAgo
      F1 subunits 
SDHASdh1UQCRC1Qcr1COX1Cox1ATP5F1AAtp1 (AtpA)
SDHBSdh2UQCRC2Qcr2COX2Cox2ATP5F1BAtp2 (AtpD)
SDHCSdh3MT-CYBQcr3 (Cob)COX3Cox3ATP5F1CAtp3 (AtpG)
SDHDSdh4CYC1Qcr4 (Cyc1)COX4Cox5ATP5F1DAtp16 (AtpC)
n.d.Sdh5UQCRFS1Qcr5COX5Acn.d. (Cox6)ATP5F1EAtp15
  UQCRHQcr6COX5BCox4  
  UQCRBQcr7COX6ACox13Fo subunits 
  UQCRQQcr8COX6BCox12MT-ATP6Atp6 (AtpB)
  UQCR10Qcr9COX6Ccn.d. (Cox9)ATP5PBAtp4 (Orf25 / Ymf39)
  UQCR11n.d.COX7ACox7ATP5MC1/2/3Atp9 (AtpE)
  Subunit 9b COX7Bdn.d. (—)ATP5PDAtp7
    COX7Cn.d. (Cox8)ATP5MEn.d.
    COX8Cox8he (—)ATP5MFAtp17
    COXFA4fCoxFA4ATP5MGn.d.
      ATP5PFF6
      ATP5POAtp5 (AtpH)
      MT-ATP8Atp8 (OrfB / Ymf19)
      ATP5IF1Inh1
      ATP5Scn.d.
  1. Subunits shown in bold are encoded in mtDNA. n.d., not detected
  2. aYeast (Saccharomyces cerevisiae) nomenclature
  3. b8-kDa cleavage product from the N-terminus of the Rieske protein (UQCRFS1)
  4. cNot identified outside of opisthokonts
  5. dNot identified outside of animals
  6. eRetrieved with Arabidopsis CoxVc (At2g47380), considered to be the counterpart of mammalian CoxVIII (see [50])
  7. fNDUFA4 (MLRQ), previously considered to be a Complex I subunit [51]