1u6i

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{{STRUCTURE_1u6i| PDB=1u6i | SCENE= }}
{{STRUCTURE_1u6i| PDB=1u6i | SCENE= }}
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'''The Structure of native coenzyme F420-dependent methylenetetrahydromethanopterin dehydrogenase at 2.2A resolution'''
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===The Structure of native coenzyme F420-dependent methylenetetrahydromethanopterin dehydrogenase at 2.2A resolution===
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==Overview==
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The diffraction pattern of native protein crystals of F(420)-dependent methylenetetrahydromethanopterin dehydrogenase from Methanopyrus kandleri shows weak additional reflections compared with the selenomethionine-labelled protein crystals, indicating a doubled c unit-cell parameter. These reflections indicate small reorientations of the hexameric structural units, breaking the translational symmetry. TLS refinement of the selenomethionine-labelled protein structure at 1.55 A resolution revealed an anisotropic rigid-body libration of the hexameric units. The anisotropy is consistent with the static reorientation in the native protein crystals. These results are discussed as related to the crystal packing. The relation between the two structures suggests an analogy to structural changes during certain kinds of phase transitions that have been well studied in inorganic structural chemistry.
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The line below this paragraph, {{ABSTRACT_PUBMED_15681872}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 15681872 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15681872}}
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
The structure of F420-dependent methylenetetrahydromethanopterin dehydrogenase: a crystallographic 'superstructure' of the selenomethionine-labelled protein crystal structure., Warkentin E, Hagemeier CH, Shima S, Thauer RK, Ermler U, Acta Crystallogr D Biol Crystallogr. 2005 Feb;61(Pt 2):198-202. Epub 2005, Jan 19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15681872 15681872]
The structure of F420-dependent methylenetetrahydromethanopterin dehydrogenase: a crystallographic 'superstructure' of the selenomethionine-labelled protein crystal structure., Warkentin E, Hagemeier CH, Shima S, Thauer RK, Ermler U, Acta Crystallogr D Biol Crystallogr. 2005 Feb;61(Pt 2):198-202. Epub 2005, Jan 19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15681872 15681872]
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Coenzyme F420-dependent methylenetetrahydromethanopterin dehydrogenase (Mtd) from Methanopyrus kandleri: a methanogenic enzyme with an unusual quarternary structure., Hagemeier CH, Shima S, Thauer RK, Bourenkov G, Bartunik HD, Ermler U, J Mol Biol. 2003 Oct 3;332(5):1047-57. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14499608 14499608]
[[Category: Methanopyrus kandleri]]
[[Category: Methanopyrus kandleri]]
[[Category: Methylenetetrahydromethanopterin dehydrogenase]]
[[Category: Methylenetetrahydromethanopterin dehydrogenase]]
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[[Category: Monomer: alpha/beta domain]]
[[Category: Monomer: alpha/beta domain]]
[[Category: Trimer of dimer]]
[[Category: Trimer of dimer]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:49:05 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:22:37 2008''

Revision as of 17:22, 28 July 2008

Image:1u6i.png

Template:STRUCTURE 1u6i

The Structure of native coenzyme F420-dependent methylenetetrahydromethanopterin dehydrogenase at 2.2A resolution

Template:ABSTRACT PUBMED 15681872

About this Structure

1U6I is a Single protein structure of sequence from Methanopyrus kandleri. Full crystallographic information is available from OCA.

Reference

The structure of F420-dependent methylenetetrahydromethanopterin dehydrogenase: a crystallographic 'superstructure' of the selenomethionine-labelled protein crystal structure., Warkentin E, Hagemeier CH, Shima S, Thauer RK, Ermler U, Acta Crystallogr D Biol Crystallogr. 2005 Feb;61(Pt 2):198-202. Epub 2005, Jan 19. PMID:15681872

Coenzyme F420-dependent methylenetetrahydromethanopterin dehydrogenase (Mtd) from Methanopyrus kandleri: a methanogenic enzyme with an unusual quarternary structure., Hagemeier CH, Shima S, Thauer RK, Bourenkov G, Bartunik HD, Ermler U, J Mol Biol. 2003 Oct 3;332(5):1047-57. PMID:14499608

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