Search Results - "Geyer, R. Ryan"

Peroxynitrite preferentially oxidizes the dithiol redox motifs of protein-disulfide isomerase by Peixoto, Álbert Souza, Geyer, R. Ryan, Iqbal, Asif, Truzzi, Daniela R., Soares Moretti, Ana I., Laurindo, Francisco R.M., Augusto, Ohara

“…Protein-disulfide isomerase (PDI) is a ubiquitous dithiol–disulfide oxidoreductase that performs an array of cellular functions, such as cellular signaling and…”
Get full text

Catalytic Thr or Ser Residue Modulates Structural Switches in 2-Cys Peroxiredoxin by Distinct Mechanisms by Tairum, Carlos A., Santos, Melina Cardoso, Breyer, Carlos A., Geyer, R. Ryan, Nieves, Cecilia J., Portillo-Ledesma, Stephanie, Ferrer-Sueta, Gerardo, Toledo, José Carlos, Toyama, Marcos H., Augusto, Ohara, Netto, Luis E. S., de Oliveira, Marcos A.

“…Typical 2-Cys Peroxiredoxins (2-Cys Prxs) reduce hydroperoxides with extraordinary rates due to an active site composed of a catalytic triad, containing a…”
Get full text

Movement of NH₃ through the human urea transporter B: a new gas channel by Geyer, R Ryan, Musa-Aziz, Raif, Enkavi, Giray, Mahinthichaichan, P, Tajkhorshid, Emad, Boron, Walter F

“…Aquaporins and Rh proteins can function as gas (CO₂ and NH₃) channels. The present study explores the urea, H₂O, CO₂, and NH₃ permeability of the human urea…”
Get more information

Lithobates catesbeianus (American Bullfrog) oocytes: a novel heterologous expression system for aquaporins by Kabutomori, J, Beloto-Silva, O, Geyer, R R, Musa-Aziz, R

“…oocytes are a valuable tool for investigating the function of membrane proteins. However, regulations around the world, specifically in Brazil, render the…”
Get full text

Relative CO2/NH3 Permeabilities of Human RhAG, RhBG and RhCG by Geyer, R. Ryan, Parker, Mark D., Toye, Ashley M., Boron, Walter F., Musa-Aziz, Raif

“…Mammalian glycosylated rhesus (Rh) proteins include the erythroid RhAG and the nonerythroid RhBG and RhCG. RhBG and RhCG are expressed in multiple tissues,…”
Get full text

A Novel Stopped-Flow Assay for Quantitating Carbonic-Anhydrase Activity and Assessing Red-Blood-Cell Hemolysis by Zhao, Pan, Geyer, R Ryan, Boron, Walter F

“…We report a novel carbonic-anhydrase (CA) assay and its use for quantitating red-blood-cell (RBC) lysis during stopped-flow (SF) experiments. We combine two…”
Get full text

Mechanism of Urea, Water and NH3 Movement through Urea Transporter‐A2 Expressed in Lithobates catesbeianus Oocytes by Kabutomori, Jessica, Pina‐Lopes, Neydiana, Geyer, R. Ryan, Musa‐Aziz, Raif

“…Tissues throughout the body generate ammonia as a result of protein degradation. This ammonia is detoxified by the liver into less toxic nitrogenous compounds,…”
Get full text

Mechanism of Urea, Water and NH 3 Movement through Urea Transporter‐A2 Expressed in Lithobates catesbeianus Oocytes by Kabutomori, Jessica, Pina‐Lopes, Neydiana, Geyer, R. Ryan, Musa‐Aziz, Raif

“…Abstract only Tissues throughout the body generate ammonia as a result of protein degradation. This ammonia is detoxified by the liver into less toxic…”
Get full text

Biochemical and biophysical properties of purified phospholipid vesicles containing bovine heart cytochrome c oxidase by Nguyen, Xuan-Thao, Pabarue, Hugh A., Ryan Geyer, R., Shroyer, Lois A., Estey, Lisa A., Parilo, Miguel, Wilson, Kathryn S., Prochaska, Lawrence J.

“…Liposomes containing bovine heart cytochrome c oxidase (COV) prepared by the cholate dialysis technique were purified from those devoid of the enzyme using…”
Get full text

Analysis of the Structural and Functional Role of the Dicyclohexylcarbodiimide (DCCD) Binding Site (E90-H212-Y246) in Subunit III of Bovine Heart and Rhodobacter Sphaeroides Cytochrome c Oxidase using Mutagenesis and Chemical Modification by Prochaska, Lawrence J., Geyer, R. Ryan, Fisher, Kelli N., Pokalsky, Christine N., Hosler, Jonathan, Omolwelu, Rachel, Ogunjimi, Kemi

Get full text

Oxygen Channels in Red Blood Cells by Zhao, Pan, Geyer, R. Ryan, Sim, Edward S., Salameh, Ahlam I., Meyerson, Howard, Wass, Amanda B., Moss, Fraser J., Boron, Walter F.

“…Abstract only It is well known that there are at least three families of membrane proteins—aquaporins (AQPs), rhesus (Rh) proteins, and urea transporters…”
Get full text

Structural and Functional Effects of C-Terminal Truncations in Cytochrome c Oxidase Subunit III from Rhodobacter Sphaeroides by Prochaska, Lawrence J., Cvetkov, Teresa L., Geyer, R. Ryan

Get full text

Relative CO(2)/NH(3) selectivities of mammalian aquaporins 0-9 by Geyer, R Ryan, Musa-Aziz, Raif, Qin, Xue, Boron, Walter F

“…Previous work showed that aquaporin 1 (AQP1), AQP4-M23, and AQP5 each has a characteristic CO(2)/NH(3) and CO(2)/H(2)O permeability ratio. The goal of the…”
Get more information