3E50	Hydrolase Hormone	date	Aug 12, 2008
title	Crystal Structure Of Human Insulin Degrading Enzyme In Complex With Transforming Growth Factor-Alpha
authors	Q.Guo, M.Manolopoulou, W.J.Tang
compound		source
Molecule: Insulin-Degrading Enzyme Chain: A, B Fragment: Unp Residues 42-1019 Synonym: Insulin Protease, Insulinase, Insulysin Ec: 3.4.24.56 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hcg_1810909, Ide, Rp11-366i13.1-001 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Protransforming Growth Factor Alpha Chain: C, D Fragment: Unp Residues 40-89, Transforming Growth Factor Alpha Chain; Synonym: Transforming Growth Factor Alpha, Tgf-Alpha, Egf- Like Tgf, Etgf, Tgf Type 1; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Tgfa
symmetry	Space Group: P 65	R_factor 0.191 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 262.172 262.172 90.522 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ZN	enzyme	Hydrolase E.C.3.4.24.56 BRENDA
Gene	HCG
Gene Ontology	Chain Function Process Component A, B nucleotide binding beta-amyloid binding glycoprotein binding catalytic activity metalloendopeptidase activit... receptor binding protein binding ATP binding peptidase activity metallopeptidase activity zinc ion binding hydrolase activity ATPase activity peptide hormone binding beta-endorphin binding peptide binding protein homodimerization act... ubiquitin binding insulin binding metal ion binding ATP catabolic process proteolysis metabolic process insulin receptor signaling p... determination of adult lifes... bradykinin catabolic process... ubiquitin homeostasis virus-host interaction positive regulation of prote... hormone catabolic process cellular protein catabolic p... negative regulation of prote... beta-amyloid metabolic proce... protein homooligomerization protein homotetramerization protein heterooligomerizatio... proteolysis involved in cell... insulin metabolic process insulin catabolic process extracellular region extracellular space nucleus cytoplasm mitochondrion peroxisome peroxisomal matrix cytosol plasma membrane cell surface membrane cytosolic proteasome complex...
Primary reference	Molecular Basis for the Recognition and Cleavages of IGF-II, TGF-alpha, and Amylin by Human Insulin-Degrading Enzyme., Guo Q, Manolopoulou M, Bian Y, Schilling AB, Tang WJ, J Mol Biol. 2009 Nov 5. PMID:19896952

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (335 Kb) [Save to disk] Biological Unit Coordinates (3e50.pdb1.gz) 166 Kb Biological Unit Coordinates (3e50.pdb2.gz) 166 Kb LPC: Ligand-Protein Contacts for 3E50 CSU: Contacts of Structural Units for 3E50 Structure Factors (2422 Kb) Retrieve 3E50 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3E50 from S2C, [Save to disk] Re-refined 3e50 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3E50 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 3E50

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Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 3E50, from MSDmotif at EBI Fold representative 3e50 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3e50_A] [3e50_B] [3e50_C] [3e50_D] SWISS-PROT database: [P14735] [P01135] Domain organization of [IDE_HUMAN] [TGFA_HUMAN] by SWISSPFAM Domain found in 3E50: [EGF ] by SMART Alignments of the sequence of 3E50 with the sequences similar proteins can be viewed for 3E50's classification [IDE_HUMAN] [TGFA_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [IDE_HUMAN] [TGFA_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 3E50

Community annotation for 3E50 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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