The Modulation of Ca2+ Binding to Sarcoplasmic Reticulum ATPase by ATP Analogues Is pH-dependent

Identification of a labelled peptide after stoicheiometric reaction of fluorescein isothiocyanate with the Ca²⁺ -dependent adenosine triphosphatase of sarcoplasmic reticulum

1982 • 260 citations

Enzyme kinetics and substrate stabilization of detergent-solubilized and membraneous (Ca2+ + Mg2+)-activated ATPase from sarcoplasmic reticulum. Effect of protein-protein interactions.

1980 • 241 citations

Indications for an oligomeric structure and for conformational changes in sarcoplasmic reticulum Ca2+-ATPase labelled selectively with fluorescein

1980 • 190 citations

Interaction of calcium and magnesium in activating and inhibiting the nucleoside triphosphatase of sarcoplasmic reticulum vesicles

1975 • 189 citations

Kinetics and Regulation of Sarcoplasmic Reticulum ATPase

1977 • 150 citations

Regulation of the conformation transition in the Ca-ATPase from sarcoplasmic reticulum by pH, temperature, and calcium ions.

1982 • 146 citations

Transient kinetics of sarcoplasmic reticulum Ca2++Mg2+ ATPase studied by fluorescence

1978 • 144 citations

Modification of the ATP binding site of the Ca²⁺‐ATPase from sarcoplasmic reticulum by fluorescein isothiocyanate

1981 • 140 citations

A comparative study of calcium transients by isotopic tracer, metallochromic indicator, and intrinsic fluorescence in sarcoplasmic reticulum ATPase.

1984 • 133 citations

Modulation of calcium binding in sarcoplasmic reticulum adenosinetriphosphatase

1981 • 125 citations

Substrate regulation of the sarcoplasmic reticulum ATPase. Transient kinetic studies.

1979 • 110 citations

Adenosine 5'-triphosphate modulation of catalytic intermediates of calcium-adenosine triphosphatase of sarcoplasmic reticulum subsequent to enzyme phosphorylation

1983 • 101 citations

Kinetics of the cooperativity of the Ca2+-transporting adenosine triphosphatase of sarcoplasmic reticulum and the mechanism of the ATP interaction

1977 • 98 citations

A direct fluorescence study of the transient steps induced by calcium binding to sarcoplasmic reticulum ATPase.

1980 • 91 citations

ATP regulation of sarcoplasmic reticulum Ca2+-ATPase. Metal-free ATP and 8-bromo-ATP bind with high affinity to the catalytic site of phosphorylated ATPase and accelerate dephosphorylation.

1988 • 89 citations

Stopped flow and rapid quenching measurement of the transient steps induced by calcium binding to sarcoplasmic reticulum adenosine triphosphatase. Competition with Ca2+-independent phosphorylation.

1981 • 85 citations

Rapid filtration study of the phosphorylation-dependent dissociation of calcium from transport sites of purified sarcoplasmic reticulum ATPase and ATP modulation of the catalytic cycle

1986 • 85 citations

pH and magnesium dependence of ATP binding to sarcoplasmic reticulum ATPase. Evidence that the catalytic ATP-binding site consists of two domains.

1990 • 74 citations

A rapid-filtration technique for membrane fragments or immobilized enzymes: Measurements of substrate binding or ion fluxes with a few-millisecond time resolution

1984 • 73 citations

Ca2+ binding to sarcoplasmic reticulum ATPase revisited. I. Mechanism of affinity and cooperativity modulation by H+ and Mg2+

1993 • 73 citations

Relationship of the regulatory nucleotide site to the catalytic site of the sarcoplasmic reticulum Ca2+-ATPase.

1987 • 61 citations

Factors influencing calcium release from the ADP-sensitive phosphoenzyme intermediate of the sarcoplasmic reticulum ATPase.

1986 • 61 citations

Adenosine 5'-triphosphate at the active site accelerates binding of calcium to calcium adenosine triphosphatase

1984 • 53 citations

Coincidence of H+ binding and Ca2+ dissociation in the sarcoplasmic reticulum Ca-ATPase during ATP hydrolysis.

1985 • 52 citations

The binding of nucleotides and bivalent cations to the calcium-and-magnesium ion-dependent adenosine triphosphatase from rabbit muscle sarcoplasmic reticulum

1976 • 49 citations

Ca2+ binding to sarcoplasmic reticulum ATPase revisited. II. Equilibrium and kinetic evidence for a two-route mechanism

1993 • 37 citations

Mechanism for activation of the 4-nitrobenzo-2-oxa-1,3-dizole-labeled sarcoplasmic reticulum ATPase by calcium and its modulation by nucleotides

1990 • 36 citations

Kinetic evidence for two nucleotide binding sites on the calcium ATPase of sarcoplasmic reticulum

1991 • 33 citations

Protonation of the sarcoplasmic reticulum Ca-ATPase during ATP hydrolysis.

1984 • 32 citations

Quantification and removal of glycogen phosphorylase and other enzymes associated with sarcoplasmic reticulum membrane preparations

1994 • 30 citations

Participation of hydrogen ion in the calcium-induced conformational transition of 4-nitro-2,1,3-benzoxadiazole-labeled sarcoplasmic reticulum ATPase

1990 • 29 citations

Reversal of the sarcoplasmic reticulum ATPase cycle by substituting various cations for magnesium. Phosphorylation and ATP synthesis when Ca2+ replaces Mg2+.

1990 • 25 citations

The reaction mechanism of Ca²⁺‐ATPase of sarcoplasmic reticulum

1993 • 24 citations

The binding of ATP to the catalytic and the regulatory site of Ca2+,Mg2+-dependent ATPase of the sarcoplasmic reticulum

1982 • 17 citations

Cooperative Interaction between Ca2+ and β,γ-Methylene Adenosine Triphosphate in Their Binding to Fragmented Sarcoplasmic Reticulum from Bullfrog Skeletal Muscle1

1986 • 16 citations

Two types of proton-modulated calcium binding in the sarcoplasmic reticulum Ca(2+)-ATPase. II. Characteristics of their calcium bindings.

1994 • 11 citations

Accelerating effect of ATP on calcium binding to sarcoplasmic reticulum ATPase

1988 • 8 citations

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