3B56	Transport Protein	date	Oct 25, 2007
title	Crystal Structure Of Transthyretin In Complex With 3,5-Diiod Acid
authors	L.Gales, A.M.Damas
compound		source
Molecule: Transthyretin Chain: A, B Synonym: Prealbumin, Tbpa, Ttr, Attr Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pintr
symmetry	Space Group: P 21 21 2	R_factor 0.189 R_Free 0.214
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.539 85.757 64.346 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.55 Å
ligand	DIU	enzyme
Gene Ontology	Chain Function Process Component A, B hormone activity
Primary reference	Iodination of salicylic acid improves its binding to transthyretin., Gales L, Almeida MR, Arsequell G, Valencia G, Saraiva MJ, Damas AM, Biochim Biophys Acta. 2007 Dec 3;. PMID:18155178

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk] Biological Unit Coordinates (3b56.pdb1.gz) 78 Kb LPC: Ligand-Protein Contacts for 3B56 CSU: Contacts of Structural Units for 3B56 Likely Quarternary Molecular Structure file(s) for 3B56 Structure Factors (1735 Kb) Retrieve 3B56 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B56 from S2C, [Save to disk] Re-refined 3b56 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B56 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3B56

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3B56, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b56_A] [3b56_B] [3b56] SWISS-PROT database: [P02766] Domain organization of [TTHY_HUMAN] by SWISSPFAM Domain found in 3B56: [TR_THY ] by SMART

Other resources with information on 3B56

Community annotation for 3B56 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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