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FRET-based analysis and molecular modeling of the human GPN-loop GTPases 1 and 3 heterodimer unveils a dominant-negative protein complex.
Cristóbal-Mondragón GR, Lara-Chacón B, Santiago Á, De-la-Rosa V, González-González R, Muñiz-Luna JA, Ladrón-de-Guevara E, Romero-Romero S, Rangel-Yescas GE, Fernández Velasco DA, Islas LD, Pastor N, Sánchez-Olea R, Calera MR. Cristóbal-Mondragón GR, et al. Among authors: calera mr. FEBS J. 2019 Dec;286(23):4797-4818. doi: 10.1111/febs.14996. Epub 2019 Jul 22. FEBS J. 2019. PMID: 31298811 Free article.
Parcs/Gpn3 is required for the nuclear accumulation of RNA polymerase II.
Calera MR, Zamora-Ramos C, Araiza-Villanueva MG, Moreno-Aguilar CA, Peña-Gómez SG, Castellanos-Terán F, Robledo-Rivera AY, Sánchez-Olea R. Calera MR, et al. Biochim Biophys Acta. 2011 Oct;1813(10):1708-16. doi: 10.1016/j.bbamcr.2011.07.005. Epub 2011 Jul 18. Biochim Biophys Acta. 2011. PMID: 21782856 Free article.
A nuclear export sequence in GPN-loop GTPase 1, an essential protein for nuclear targeting of RNA polymerase II, is necessary and sufficient for nuclear export.
Reyes-Pardo H, Barbosa-Camacho AA, Pérez-Mejía AE, Lara-Chacón B, Salas-Estrada LA, Robledo-Rivera AY, Montero-Morán GM, Lara-González S, Calera MR, Sánchez-Olea R. Reyes-Pardo H, et al. Among authors: calera mr. Biochim Biophys Acta. 2012 Oct;1823(10):1756-66. doi: 10.1016/j.bbamcr.2012.07.001. Epub 2012 Jul 14. Biochim Biophys Acta. 2012. PMID: 22796641 Free article.
Npa3/ScGpn1 carboxy-terminal tail is dispensable for cell viability and RNA polymerase II nuclear targeting but critical for microtubule stability and function.
Guerrero-Serrano G, Castanedo L, Cristóbal-Mondragón GR, Montalvo-Arredondo J, Riego-Ruíz L, DeLuna A, De Las Peñas A, Castaño I, Calera MR, Sánchez-Olea R. Guerrero-Serrano G, et al. Among authors: calera mr. Biochim Biophys Acta Mol Cell Res. 2017 Mar;1864(3):451-462. doi: 10.1016/j.bbamcr.2016.12.010. Epub 2016 Dec 10. Biochim Biophys Acta Mol Cell Res. 2017. PMID: 27965115 Free article.
Human Gpn1 purified from bacteria binds guanine nucleotides and hydrolyzes GTP as a protein dimer stabilized by its C-terminal tail.
González-González R, Guerra-Moreno JA, Cristóbal-Mondragón GR, Romero V, Peña-Gómez SG, Montero-Morán GM, Lara-González S, Hernández-Arana A, Fernández-Velasco DA, Calera MR, Sánchez-Olea R. González-González R, et al. Among authors: calera mr. Protein Expr Purif. 2017 Apr;132:85-96. doi: 10.1016/j.pep.2017.01.009. Epub 2017 Jan 30. Protein Expr Purif. 2017. PMID: 28153773
The Gpn3 Q279* cancer-associated mutant inhibits Gpn1 nuclear export and is deficient in RNA polymerase II nuclear targeting.
Barbosa-Camacho AA, Méndez-Hernández LE, Lara-Chacón B, Peña-Gómez SG, Romero V, González-González R, Guerra-Moreno JA, Robledo-Rivera AY, Sánchez-Olea R, Calera MR. Barbosa-Camacho AA, et al. Among authors: calera mr. FEBS Lett. 2017 Nov;591(21):3555-3566. doi: 10.1002/1873-3468.12856. Epub 2017 Oct 11. FEBS Lett. 2017. PMID: 28940195 Free article.
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