[HTML][HTML] …�p55 accessory subunit of human DNA polymerase γ enhances DNA binding, promotes processive DNA synthesis, and confers N-ethylmaleimide resistance

SE Lim, MJ Longley, WC Copeland�- Journal of Biological Chemistry, 1999 - ASBMB
… of the human DNA polymerase γ accessory subunit, the … of this accessory subunit on DNA
replication by DNA polymerase γ… accessory subunit as the cause of processive DNA synthesis

[PDF][PDF] …�p55 Accessory Subunit of Human DNA Polymerase Enhances DNA Binding, Promotes Processive DNA Synthesis, and Confers N-Ethylmaleimide Resistance

SE Lim, MJ Longley, WC Copeland - researchgate.net
… for DNA—To investigate the cause of the high processivity conferred by the accessory
subunit we performed steady state kinetic analysis of the native HeLa pol

DNA polymerase gamma in mitochondrial DNA replication and repair

WC Copeland, MJ Longley�- The Scientific World Journal, 2003 - Wiley Online Library
… catalytic subunit of pol γ is sensitive to N-ethylmaleimide-… the p140•p55 complex display
nearly complete resistance to NEM … -kDa accessory subunit, which confers processivity to the pol

[PDF][PDF] Mutations in DNA polymerase gamma cause error prone DNA synthesis in human mitochondrial disorders

W Copeland, M Ponamarev, D Nguyen…�- Acta Biochimica�…, 2003 - bibliotekanauki.pl
… out exonucleolytic proofreading and its p55 accessory subunit. … a native heterodimer (Lim
et al., 1999). Reconstitution of p140�… processive DNA synthesis and confers N-ethylmaleimide

Structural determinants in human DNA polymerase γ account for mitochondrial toxicity from nucleoside analogs

SE Lim, MV Ponamarev, MJ Longley…�- Journal of molecular�…, 2003 - Elsevier
… and overproduced the catalytic subunit of human pol γ in insect … , and the drug resistance
conferred by these mutations are … Cardiac mitochondrial DNA polymerase-gamma is inhibited …

[HTML][HTML] Mutant POLG2 disrupts DNA polymerase γ subunits and causes progressive external ophthalmoplegia

MJ Longley, S Clark, CYW Man, G Hudson…�- …�Journal of Human�…, 2006 - cell.com
… role of the p55 accessory subunit for highly processive mtDNADNA synthesis, and confers
N-ethylmaleimide resistance. … N-ethylmaleimide (NEM) protection assays, no enhancement of …

[HTML][HTML] DNA polymerase gamma and mitochondrial disease: understanding the consequence of POLG mutations

SSL Chan, WC Copeland�- Biochimica et Biophysica Acta (BBA)�…, 2009 - Elsevier
… poorly able to bind to the p55 accessory subunit, as shown by … suggesting that E1143G does
not confer a purely beneficial effect … of the catalytic subunit by N-ethylmaleimide. The G416A …

The mitochondrial DNA polymerase as a target of oxidative damage

MA Graziewicz, BJ Day, WC Copeland�- Nucleic acids research, 2002 - academic.oup.com
subunit, the accessory subunit confers high processivity to … catalytic (p140) and accessory
(p55) subunits separately, as well … Nethylmaleimide (NEM) inhibition of pol γ where the Hp55 …

The mitochondrial DNA polymerase in health and disease

WC Copeland�- Genome Stability and Human Diseases, 2010 - Springer
DNA polymerase gamma has three main roles in health and … accessory subunit is a 55 kDa
protein (p55) required for tight DNA binding and processive DNA synthesis (Lim et al., 1999). …

Modulation of the W748S mutation in DNA polymerase γ by the E1143G polymorphismin mitochondrial disorders

SSL Chan, MJ Longley…�- Human molecular�…, 2006 - academic.oup.com
… the p55 accessory subunit is required for enhanced DNA … γ is extremely sensitive to inhibition
by N-ethylmaleimide (NEM… a 2-fold molar excess of p55 conferred resistance to NEM, most …