2vbs

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{{STRUCTURE_2vbs| PDB=2vbs | SCENE= }}
{{STRUCTURE_2vbs| PDB=2vbs | SCENE= }}
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'''RIBOFLAVIN KINASE MJ0056 FROM METHANOCALDOCOCCUS JANNASCHII IN COMPLEX WITH PO4'''
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===RIBOFLAVIN KINASE MJ0056 FROM METHANOCALDOCOCCUS JANNASCHII IN COMPLEX WITH PO4===
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==Overview==
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Proteins of the cradle-loop barrel metafold are formed by duplication of a conserved betaalphabeta-element, suggesting a common evolutionary origin from an ancestral group of nucleic acid-binding proteins. The basal fold within this metafold, the RIFT barrel, is also found in a wide range of enzymes, whose homologous relationship with the nucleic acid-binding group is unclear. We have characterized a protein family that is intermediate in sequence and structure between the basal group of cradle-loop barrels and one family of RIFT-barrel enzymes, the riboflavin kinases. We report the structure, substrate-binding mode, and catalytic activity for one of these proteins, Methanocaldococcus jannaschii Mj0056, which is an archaeal riboflavin kinase. Mj0056 is unusual in utilizing CTP rather than ATP as the donor nucleotide, and sequence conservation in the relevant residues suggests that this is a general feature of archaeal riboflavin kinases.
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(as it appears on PubMed at http://www.pubmed.gov), where 18073108 is the PubMed ID number.
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{{ABSTRACT_PUBMED_18073108}}
==About this Structure==
==About this Structure==
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[[Category: Fmn]]
[[Category: Fmn]]
[[Category: Transferase]]
[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 05:56:18 2008''

Revision as of 02:56, 29 July 2008

Image:2vbs.png

Template:STRUCTURE 2vbs

RIBOFLAVIN KINASE MJ0056 FROM METHANOCALDOCOCCUS JANNASCHII IN COMPLEX WITH PO4

Template:ABSTRACT PUBMED 18073108

About this Structure

2VBS is a Single protein structure of sequence from Methanocaldococcus jannaschii. Full crystallographic information is available from OCA.

Reference

A CTP-dependent archaeal riboflavin kinase forms a bridge in the evolution of cradle-loop barrels., Ammelburg M, Hartmann MD, Djuranovic S, Alva V, Koretke KK, Martin J, Sauer G, Truffault V, Zeth K, Lupas AN, Coles M, Structure. 2007 Dec;15(12):1577-90. PMID:18073108

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