1szj
From Proteopedia
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==Overview== | ==Overview== | ||
| - | When the active-site carboxymethylated D-glyceraldehyde-3-phosphate | + | When the active-site carboxymethylated D-glyceraldehyde-3-phosphate dehydrogenase is irradiated with ultraviolet light in the presence of NAD+, a fluorescent NAD derivative that is covalently linked to the enzyme is obtained. A preliminary crystallographic study of this fluorescent derivative, as well as of the native and the carboxymethylated enzymes from Palinurus versicolor, showed that they are isomorphous and belong to space group C2 as reported for the native enzyme from Palinurus vulgaris. The three forms of the enzyme, although they have identical unit cell parameters, differ considerably in their diffraction patterns, indicating marked differences in conformation in spite of the fact that they differ chemically only in a restricted region around the active site. |
==About this Structure== | ==About this Structure== | ||
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[[Category: oxidoreductase]] | [[Category: oxidoreductase]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:07:52 2008'' |
Revision as of 13:07, 21 February 2008
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STRUCTURE OF HOLO-GLYCERALDEHYDE-3-PHOSPHATE-DEHYDROGENASE FROM PALINURUS VERSICOLOR REFINED 2.0 ANGSTROM RESOLUTION
Overview
When the active-site carboxymethylated D-glyceraldehyde-3-phosphate dehydrogenase is irradiated with ultraviolet light in the presence of NAD+, a fluorescent NAD derivative that is covalently linked to the enzyme is obtained. A preliminary crystallographic study of this fluorescent derivative, as well as of the native and the carboxymethylated enzymes from Palinurus versicolor, showed that they are isomorphous and belong to space group C2 as reported for the native enzyme from Palinurus vulgaris. The three forms of the enzyme, although they have identical unit cell parameters, differ considerably in their diffraction patterns, indicating marked differences in conformation in spite of the fact that they differ chemically only in a restricted region around the active site.
About this Structure
1SZJ is a Single protein structure of sequence from Palinurus versicolor with and as ligands. Active as Glyceraldehyde-3-phosphate dehydrogenase (phosphorylating), with EC number 1.2.1.12 Known structural/functional Site: . Full crystallographic information is available from OCA.
Reference
Preliminary crystallographic studies of lobster D-glyceraldehyde-3-phosphate dehydrogenase and the modified enzyme carrying the fluorescent derivative., Song SY, Gao YG, Zhou JM, Tsou CL, J Mol Biol. 1983 Dec 5;171(2):225-8. PMID:6655693
Page seeded by OCA on Thu Feb 21 15:07:52 2008
