4BFB	Hydrolase Immune System	date	Mar 18, 2013
title	Bace2 Xaperone Complex
authors	D.W.Banner, A.Kuglstatter, J.Benz, M.Stihle, A.Ruf
compound		source
Molecule: Beta-Secretase 2 Chain: A, B Fragment: Extracellular, Residues 75-460 Synonym: Aspartic-Like Protease 56 Kda, Aspartyl Protease 1 Asp 1, Beta-Site Amyloid Precursor Protein Cleaving Enzyme Beta-Site App Cleaving Enzyme 2, Down Region Aspartic Prot Drap, Memapsin-1, Membrane-Associated Aspartic Protease 1, Theta-Secretase, Bace2; Ec: 3.4.23.45 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Xa4813 Chain: D, E Engineered: Yes		Organism_scientific: Lama Glama Organism_common: Llama Organism_taxid: 9844 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmesy4
symmetry	Space Group: P 21 21 21	R_factor 0.20370 R_Free 0.27320
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.075 71.911 214.111 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.21 Å
ligand	B3P	enzyme	Hydrolase E.C.3.4.23.45 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Mapping the conformational space accessible to BACE2 using surface mutants and cocrystals with Fab fragments, Fynomers and Xaperones., Banner DW, Gsell B, Benz J, Bertschinger J, Burger D, Brack S, Cuppuleri S, Debulpaep M, Gast A, Grabulovski D, Hennig M, Hilpert H, Huber W, Kuglstatter A, Kusznir E, Laeremans T, Matile H, Miscenic C, Rufer AC, Schlatter D, Steyaert J, Stihle M, Thoma R, Weber M, Ruf A, Acta Crystallogr D Biol Crystallogr. 2013 Jun;69(Pt 6):1124-37. doi:, 10.1107/S0907444913006574. Epub 2013 May 15. PMID:23695257

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (166 Kb) [Save to disk] Biological Unit Coordinates (4bfb.pdb1.gz) 82 Kb Biological Unit Coordinates (4bfb.pdb2.gz) 83 Kb LPC: Ligand-Protein Contacts for 4BFB CSU: Contacts of Structural Units for 4BFB Structure Factors (932 Kb) Retrieve 4BFB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4BFB from S2C, [Save to disk] Re-refined 4bfb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4BFB 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 4BFB

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 4BFB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4bfb_E] [4bfb_B] [4bfb] [4bfb_A] [4bfb_D] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 4BFB: [IGv ] by SMART

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