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The chemistry of hemerythrin.
Interaction of calcium and manganese ions with apoconcanavalin A and sugar binding.
The interaction of apoconcanavalin A (apo-Con A) with Mn2+ and Ca2+ was studied at 25 degrees C using fluorescence stopped flow. The reaction was monitored using 4-methylumbelliferylExpand
Reduction of methemerythrin by dithionite ion.
It is concluded that A is an (Fe(II)Fe(III)) 8 species, and that in B the unit (Fe (II) Fe(II)) 8 is well developed, judging by its unreactivity towards N 3 −, its reaction with H 2 O 2 , and its reversible uptake of O 2. Expand
Kinetics of the equilibration of oxygen with monomeric and octameric hemerythrin from Themiste zostericola
Single relaxations for the equilibration of O2 with monomeric and octameric deoxy forms of hemerythrin from Themiste zostericola have been observed at 25°C using the temperature-jump technique. AtExpand
Reduction potentials of various hemerythrin oxidation states
Abstract The reduction potentials of the couple methemerythrin/(semi-met) r have been determined spectrally, using 2,6-dichlorophenolindophenol as a redox partner, for monomer and octamer fromExpand
Role of mixed oxidation states in the oxidation of hemerythrin species by ferricyanide ion.
The oxidation of deoxy- and oxyhemerythrin to methemerythin by Fe(CN)6(3-) has been examined and the implications of these findings to hemerythrin chemistry are discussed. Expand
Metal Ion Interactions with Apo-Concanavalin A and Some Observations on Metal Ion Requirements and Sugar Binding by Bandeiraea simplicifolia I Lectin
The kinetics of interaction of Ca2+ ions with M ConA (M = Co2+, Mn2+, Ni2+ and Zn2+) were followed by using the quenching of fluorescence of 4-methylumbelliferyl-α-D-mannopyranoside when bound toExpand
Some redox properties of myohemerythrin from retractor muscle of Themiste zostericola.
EPR spectra near liquid He temperatures and optical absorption spectra have been used to characterize and measure the rates at 25 degrees C, pH 8.2, and I = 0.15 M. Expand
Interaction of acetazolamide and 4-nitrothiophenolate ion with bivalent metal ion derivatives of bovine carbonic anhydrase.
The stability and rate constants for the interaction of acetazolamide (diamox) and 4-nitrothiophenolate ion (NTP) with the bivalent Mn, Co, Ni, Cu and Cd forms of bovine carbonic anhydrase have beenExpand