2pfg

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{{STRUCTURE_2pfg| PDB=2pfg | SCENE= }}
{{STRUCTURE_2pfg| PDB=2pfg | SCENE= }}
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'''Crystal structure of human CBR1 in complex with BiGF2.'''
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===Crystal structure of human CBR1 in complex with BiGF2.===
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==Overview==
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Glutathione forms complex reaction products with formaldehyde, which can be further modified through enzymatic modification. We studied the non-enzymatic reaction between glutathione and formaldehyde and identified a bicyclic complex containing two equivalents of formaldehyde and one glutathione molecule by protein X-ray crystallography (PDB accession number 2PFG). We have also used (1)H, (13)C and 2D NMR spectroscopy to confirm the structure of this unusual adduct. The key feature of this adduct is the involvement of the gamma-glutamyl alpha-amine and the Cys thiol in the formation of the bicyclic ring structure. These findings suggest that the structure of GSH allows for bi-dentate masking of the reactivity of formaldehyde. As this species predominates at near physiological pH values, we suggest this adduct may have biological significance.
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(as it appears on PubMed at http://www.pubmed.gov), where 17912391 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17912391}}
==About this Structure==
==About this Structure==
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[[Category: Macro molecule]]
[[Category: Macro molecule]]
[[Category: Oxidoreductase]]
[[Category: Oxidoreductase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 13:00:15 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 17:42:57 2008''

Revision as of 14:43, 28 July 2008

Image:2pfg.png

Template:STRUCTURE 2pfg

Crystal structure of human CBR1 in complex with BiGF2.

Template:ABSTRACT PUBMED 17912391

About this Structure

2PFG is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Glutathione traps formaldehyde by formation of a bicyclo[4.4.1]undecane adduct., Bateman R, Rauh D, Shokat KM, Org Biomol Chem. 2007 Oct 21;5(20):3363-7. Epub 2007 Aug 29. PMID:17912391

Page seeded by OCA on Mon Jul 28 17:42:57 2008

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