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| - | [[Image:1tfp.gif|left|200px]] | + | {{Seed}} |
| | + | [[Image:1tfp.png|left|200px]] |
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| | {{STRUCTURE_1tfp| PDB=1tfp | SCENE= }} | | {{STRUCTURE_1tfp| PDB=1tfp | SCENE= }} |
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| - | '''TRANSTHYRETIN (FORMERLY KNOWN AS PREALBUMIN)'''
| + | ===TRANSTHYRETIN (FORMERLY KNOWN AS PREALBUMIN)=== |
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| - | ==Overview==
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| - | The crystal structure of chicken transthyretin has been solved at 290-pm resolution by molecular-replacement techniques. Transthyretin is the protein component of the amyloid fibrils found in patients suffering from either familial amyloidotic polyneuropathy or senile systemic amyloidosis. Familial amyloidotic polyneuropathy is an autosomal dominant hereditary type of amyloidosis which involves transthyretin with either one or two amino acid substitutions. The three-dimensional structure of chicken transthyretin was determined in order to compare a non-amyloidogenic, species-variant transthyretin with wild-type and mutant transthyretin molecules. Of the 31 chicken-to-human residue differences, 9 occur at positions which in human transthyretin give rise to amyloidogenic variants although none corresponds to the appropriate side-chain substitutions. The model of chicken transthyretin has been refined to an R-factor of 19.9%. The overall fold of the protein is that of an all-beta protein. Compared with wild-type human transthyretin the avian transthyretin shows quite large differences in the region known to be involved in binding to retinol-binding protein, it has a much shorter helical component than the human protein and some of the monomer-monomer interactions are different.
| + | The line below this paragraph, {{ABSTRACT_PUBMED_8612621}}, adds the Publication Abstract to the page |
| | + | (as it appears on PubMed at http://www.pubmed.gov), where 8612621 is the PubMed ID number. |
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| | + | {{ABSTRACT_PUBMED_8612621}} |
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| | ==About this Structure== | | ==About this Structure== |
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| | [[Category: Albumin]] | | [[Category: Albumin]] |
| | [[Category: Retinol-binding]] | | [[Category: Retinol-binding]] |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 09:53:48 2008'' | + | |
| | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 23:49:11 2008'' |
Revision as of 20:49, 28 July 2008
Template:STRUCTURE 1tfp
TRANSTHYRETIN (FORMERLY KNOWN AS PREALBUMIN)
Template:ABSTRACT PUBMED 8612621
About this Structure
1TFP is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.
Reference
The crystal structure of transthyretin from chicken., Sunde M, Richardson SJ, Chang L, Pettersson TM, Schreiber G, Blake CC, Eur J Biochem. 1996 Mar 1;236(2):491-9. PMID:8612621
Page seeded by OCA on Mon Jul 28 23:49:11 2008
