1oo2 | pdb_00001oo2

Crystal structure of transthyretin from Sparus aurata

spinqualitylabelsall models 1oo2, resolution 1.56Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1oo2 is a 4 chain structure with sequence from Aurata aurata. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CD Related: 1fhn, 1f41, 1rlb, 1qab, 1ie4 Gene: TTR (Aurata aurata) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The thyroid hormone binding protein transthyretin (TTR) forms a macromolecular complex with the retinol-specific carrier retinol binding protein (RBP) in the blood of higher vertebrates. Piscine TTR is shown here to exhibit high binding affinity for L-thyroxine and negligible affinity for RBP. The 1.56 A resolution X-ray structure of sea bream TTR, compared with that of human TTR, reveals a high degree of conservation of the thyroid hormone binding sites. In contrast, some amino acid differences in discrete regions of sea bream TTR appear to be responsible for the lack of protein-protein recognition, providing evidence for the crucial role played by a limited number of residues in the interaction between RBP and TTR. Overall, this study makes it possible to draw conclusions on evolutionary relationships for RBPs and TTRs of phylogenetically distant vertebrates. Distinctive binding and structural properties of piscine transthyretin.,Folli C, Pasquato N, Ramazzina I, Battistutta R, Zanotti G, Berni R FEBS Lett. 2003 Dec 4;555(2):279-84. PMID:14644428 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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