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spinqualitylabelsall models PDB ID 2b1u Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image
Gene:	CALML5 (Homo sapiens)
Resources:	FirstGlance, OCA, PDBsum, RCSB
Coordinates:	save as pdb, mmCIF, xml

Solution structure of Calmodulin-like Skin Protein C terminal domain

Overview

The structure and dynamics of human calmodulin-like skin protein (CLSP) have been characterized by NMR spectroscopy. The mobility of CLSP has been found to be different for the N-terminal and C-terminal domains. The isolated domains were also expressed and analyzed. The structure of the isolated C-terminal domain is presented. The N-terminal domain is characterized by four stable helices, which experience large fluctuations. This is shown to be due to mutations in the hydrophobic core. The overall N-terminal domain behavior is similar both in the full-length protein and in the isolated domain. By exploiting the capability of Tb3+ bound to CLSP to induce partial orientation of the molecule in a magnetic field, restricted motion of one domain with respect to the other was proved. By using NMR, ITC, and ESI-MS, the calcium and magnesium binding properties were investigated. Finally, CLSP is framed into the evolutionary scheme of the calmodulin-like family.

About this Structure

2B1U is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

A structural and dynamic characterization of the EF-hand protein CLSP., Babini E, Bertini I, Capozzi F, Chirivino E, Luchinat C, Structure. 2006 Jun;14(6):1029-38. PMID:16765896

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