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Ebrey, Thomas G. Chen, Jian-Guo 2011-05-07T13:02:29Z 2011-05-07T13:02:29Z 10000-01-01 1989 I. Three kinds of monoclonal antibodies have been found against iodopsin and other cone pigments in chicken retina: (1) specifically against iodopsin (cell line of 7D3); (2) against iodopsin and another cone pigment (cell lines of 2D4, 4G2, and 5E3); and (3) against iodopsin and other three cone pigments (cell line of 2C3). One dimensional immunoblottings show that apparent molecular weight of iodopsin is about 32 kD and apparent molecular weights of other three cone pigments are about 29 kD, 31 kD, and 35 kD. Two dimensional immunoblottings show that iodopsin (and probably for the other cone pigments too) has a high isoelectric point value. II. A series of synthetic 9-cis-, 11-cis-dehydro- and dihydro-retinals has been used to study the wavelength regulation in iodopsin by artificial pigments' regeneration. A model of the wavelength regulation has been proposed that: (1) a weaker nitrogen/counter-ion interaction is considered in the Schiff base region of the 11-cis retinal; (2) a second negative charge is located near the $\beta$-ionone ring of the retinal; and (3) a planar-s-trans ring/chain conformation is hypothesized. Made available in DSpace on 2011-05-07T13:02:29Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 8916227.pdf: 3779981 bytes, checksum: 21b081c34f57d5d6145df5aae1aa7c99 (MD5) Previous issue date: 1989 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:49:23Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:22:28-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI8916227 (UMI)AAI8916227 http://hdl.handle.net/2142/21233 eng Copyright 1989 Chen, Jian-Guo Biophysics, Medical Studies on the cone pigment, iodopsin text Biophysics and Computational Biology Biophysics University of Illinois at Urbana-Champaign Dissertation Ph.D.