2R2J	Chaperone	date	Aug 25, 2007
title	Crystal Structure Of Human Erp44
authors	L.K.Wang, S.J.Li, F.Sun, C.C.Wang
compound		source
Molecule: Thioredoxin Domain-Containing Protein 4 Chain: A Synonym: Endoplasmic Reticulum Resident Protein Erp44 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Gene: Txndc4, Erp44, Kiaa0573 Expression_system: Escherichia Coli Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-6p-1
symmetry	Space Group: P 31 2 1	R_factor 0.217 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.501 83.501 123.137 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	FMT, MSE, SIN	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of human ERp44 shows a dynamic functional modulation by its carboxy-terminal tail., Wang L, Wang L, Vavassori S, Li S, Ke H, Anelli T, Degano M, Ronzoni R, Sitia R, Sun F, Wang CC, EMBO Rep. 2008 Jul;9(7):642-7. Epub 2008 Jun 13. PMID:18552768

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (2r2j.pdb1.gz) 57 Kb Biological Unit Coordinates (2r2j.pdb2.gz) 113 Kb LPC: Ligand-Protein Contacts for 2R2J CSU: Contacts of Structural Units for 2R2J Likely Quarternary Molecular Structure file(s) for 2R2J Structure Factors (289 Kb) Retrieve 2R2J in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2R2J from S2C, [Save to disk] Re-refined 2r2j structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2R2J 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 2R2J

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 2R2J, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2r2j_A] [2r2j] SWISS-PROT database: [Q9BS26] Domain organization of [ERP44_HUMAN] by SWISSPFAM

Other resources with information on 2R2J

Community annotation for 2R2J at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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