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Show 174 D. Miles and Ho Eyring, JQ Phys. Chemot t that the ORD and CD of metal the benzenoic effects be a ping 5. We propose containing Cotton magnitude of the arising from transitions in the benzenoic chromophor another. For dissymmetric example a aromatic should ings relative pair of tyrosine residues juxtaposed fashion should give rise strongly overlap to two B2u Cotton effects of equal magnitude but opposite in sign whereas fort a The chromophore be studied. (1965)]0 of amino acids quite sensitive to the conformation of the to one in compleKes 1603 single randomly oriented residues small the rotation should f'ea'tur-e B2u Cotton effecto Optical Rotatory Dispersion and Circular Dichroism of Copper. Proteins Over twenty well-defined copper proteins have nized such as the now been recog tyrosinases, hemocyanins and ceruloplasmin(CP). While hundreds of papers have been published concerning the, copper proteins [see for example Eo Frieden in Ma Kasha, and Bo Pullman(Edse). "Horizons in Biochemistry." Academic Presst, New York, 1962, po 461] their functions not been still in doubto are While associated with many of these of the copper ion as we suggest with the objective with the binding of the of proteins the known versatility catalyst makes eery copper protein a supect for enzymic activit yo search proposal catalytic activity has a As a follow up study of the on the ORD and CD of these Many of these prime previous re finding which amino acid residue coppero a proteins is concerned proteins contain high |