Mitochondrial DNA helicase (mtDNA-helicase) encodes the replicative mitochondrial DNA helicase, which is responsible for NTPase-dependent double-stranded DNA unwinding during mitochondrial DNA replication. It has roles in mitochondrial genome maintenance, and mitochondrial function.

Single-stranded DNA-binding protein, mitochondrial; Binds preferentially and cooperatively to pyrimidine rich single-stranded DNA (ss-DNA). Required to maintain the copy number of mitochondrial DNA (mtDNA) and plays crucial roles during mtDNA replication that stimulate activity of the gamma complex polymerase tam at the replication fork. Promotes tam activity largely by organizing the template DNA and eliminating secondary structures to favor ss-DNA conformations that facilitate tam activity.

DNA primase small subunit; Catalytic subunit of the DNA primase complex and component of the DNA polymerase alpha complex (also known as the alpha DNA polymerase-primase complex) which play an essential role in the initiation of DNA synthesis. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit DNApol-alpha180/DNApolA1, an accessory subunit DNApol-alpha73/DNApolA2 and two primase subunits, the catalytic subunit DNApol-alpha50/DNAprim1 and the regulatory subunit DNApol- alpha60/DNAprim2) is recruited to DNA at the replicative forks (By [...]

DNA polymerase delta catalytic subunit; As the catalytic component of the DNA polymerase delta complex, plays a crucial role in high fidelity genome replication, including lagging strand synthesis, DNA recombination and repair (By similarity). Exhibits both DNA polymerase and 3'- to 5'-exonuclease activities. Required at the nucleus of rapidly dividing embryonic cells to activate genome replication during the earliest cell cycles. Likely to require the presence of accessory proteins Pol31 and Pol32 for full activity.

Mitochondrial transcription factor A (TFAM) encodes a protein essential for mtDNA transcription and replication. It also binds to mtDNA nonspecifically, and plays a role in mtDNA maintenance by packaging mtDNA.

DNA polymerase alpha catalytic subunit; Catalytic subunit of the DNA polymerase alpha complex (also known as the alpha DNA polymerase-primase complex) which plays an essential role in the initiation of DNA synthesis. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit POLA1/p180, an accessory subunit POLA2/p70 and two primase subunits, the catalytic subunit PRIM1/p49 and the regulatory subunit PRIM2/p58) is recruited to DNA at the replicative forks. The primase subunit of the polymerase alpha complex initiates DNA synthesis by oligome [...]

Glycyl-tRNA synthetase, isoform B; Glycyl-tRNA synthetase (GlyRS) encodes a protein involved in dendrite morphogenesis and larval lymph gland hemopoiesis.

DNA-directed RNA polymerase; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Belongs to the phage and mitochondrial RNA polymerase family.

DNA primase large subunit; Regulatory subunit of the DNA primase complex and component of the DNA polymerase alpha complex (also known as the alpha DNA polymerase-primase complex) which play an essential role in the initiation of DNA synthesis. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit DNApol- alpha180/DNApolA1, an accessory subunit DNApol-alpha73/DNApolA2 and two primase subunits, the catalytic subunit DNApol-alpha50/DNAprim1 and the regulatory subunit DNApol-alpha60/DNAprim2) is recruited to DNA at the replicative forks (B [...]