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2hr9

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Revision as of 00:34, 31 March 2008 by OCA (Talk | contribs)
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PDB ID 2hr9

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Gene: TPT1 (Homo sapiens)
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Solution structure of human translationally controlled tumor protein


Overview

Human translationally controlled tumor protein (TCTP) is a growth-related, calcium-binding protein. We determined the solution structure and backbone dynamics of human TCTP, and identified the calcium-binding site of human TCTP using multi-dimensional NMR spectroscopy. The overall structure of human TCTP has a rather rigid well-folded core and a very flexible long loop connected by a short two-strand beta-sheet, which shows a conserved fold in the TCTP family. The C-terminal portions of loop L(alpha3beta8) and strand beta9 and the N-terminal region of strand beta8 may form a calcium-binding site in the human TCTP structure, which is largely conserved in the sequence alignment of TCTPs. The K(d) value for the calcium binding is 0.022-0.025 M indicating a very weak calcium-binding site.

About this Structure

2HR9 is a Single protein structure of sequence from Homo sapiens. This structure supersedes the now removed PDB entry 1Y41. Full crystallographic information is available from OCA.

Reference

Solution structure and mapping of a very weak calcium-binding site of human translationally controlled tumor protein by NMR., Feng Y, Liu D, Yao H, Wang J, Arch Biochem Biophys. 2007 Nov 1;467(1):48-57. Epub 2007 Aug 30. PMID:17897616

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