3CWK	Transport Protein	date	Apr 22, 2008
title	Crystal Structure Of The R132k:Y134f:R111l:T54v:L121e Mutant Cellular Retinoic Acid Binding Protein Type II In Complex W Trans-Retinoic Acid At 1.57 Angstroms Resolution
authors	S.Vaezeslami, J.H.Geiger
compound		source
Molecule: Cellular Retinoic Acid-Binding Protein 2 Chain: A Synonym: Cellular Retinoic Acid-Binding Protein II, Crabp-I Retinoic Acid-Binding Protein II, Cellular; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Gene: Crabp2 Expression_system: Escherichia Coli Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet17-B
symmetry	Space Group: P 21 21 21	R_factor 0.120 R_Free 0.167
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.787 44.860 77.865 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	REA, SO4 BindingDB	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Structural analysis of site-directed mutants of cellular retinoic acid-binding protein II addresses the relationship between structural integrity and ligand binding., Vaezeslami S, Jia X, Vasileiou C, Borhan B, Geiger JH, Acta Crystallogr D Biol Crystallogr. 2008 Dec;64(Pt 12):1228-39. Epub 2008, Nov 18. PMID:19018099

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (3cwk.pdb1.gz) 56 Kb LPC: Ligand-Protein Contacts for 3CWK CSU: Contacts of Structural Units for 3CWK Likely Quarternary Molecular Structure file(s) for 3CWK Structure Factors (156 Kb) Retrieve 3CWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CWK from S2C, [Save to disk] Re-refined 3cwk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CWK 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 3CWK

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 3CWK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cwk] [3cwk_A] SWISS-PROT database: [P29373] Domain organization of [RABP2_HUMAN] by SWISSPFAM

Other resources with information on 3CWK

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

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