title: The mitochondrial genome of fertile maize (Zea mays L.) contains two copies of the gene encoding the alpha-subunit of the F1-ATPase.
abstract: In contrast to the situation in animals and fungi the alpha-subunit of the mitochondrial F1-ATPase is encoded by two identical mitochondrial genes (ATP A) in male fertile maize (Zea mays L.). Cytoplasmic male sterile (T, C and S) maize mitochondrial genomes only contain a single copy of the gene. Sequence analysis reveals that the uninterrupted coding region of both copies of the gene is 1,524 bp long and encodes a polypeptide of 508 amino acids with a molecular weight of 55,117. The predicted amino acid sequence shares over 60% homology with the nuclear encoded alpha-subunit from yeast and bovine ATPase and approx. 50% with the corresponding chloroplast and bacterial polypeptides.
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D004272:DNA, Mitochondrial / Q000235:genetics*; D008969:Molecular Sequence Data; D006180:Proton-Translocating ATPases / Q000235:genetics*; D014158:Transcription, Genetic; D003313:Zea mays / Q000201:enzymology / Q000235:genetics*
chemical_list: D004272:DNA, Mitochondrial; D006180:Proton-Translocating ATPases