3FKT	Hydrolase	date	Dec 17, 2008
title	Crystal Structure Of Human Beta Secretase Complexed With Spiropiperdine Iminohydantoin Inhibitor
authors	S.Munshi
compound		source
Molecule: Beta-Secretase 1 Chain: A Fragment: Protease Domain (Residues 43-446) Synonym: Beta-Site Amyloid Precursor Protein Cleaving Enzym Site App Cleaving Enzyme 1, Membrane-Associated Aspartic Pr Memapsin-2, Aspartyl Protease 2, Asp 2, Asp2; Ec: 3.4.23.46 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Bace, Bace1, Kiaa1149 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
symmetry	Space Group: C 2 2 21	R_factor 0.182 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.743 128.042 76.768 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	SII BindingDB	enzyme	Hydrolase E.C.3.4.23.46 BRENDA
note	3FKT supersedes 3E3W
Gene Ontology	Chain Function Process Component A
Primary reference	Discovery and X-ray crystallographic analysis of a spiropiperidine iminohydantoin inhibitor of beta-secretase., Barrow JC, Stauffer SR, Rittle KE, Ngo PL, Yang Z, Selnick HG, Graham SL, Munshi S, McGaughey GB, Holloway MK, Simon AJ, Price EA, Sankaranarayanan S, Colussi D, Tugusheva K, Lai MT, Espeseth AS, Xu M, Huang Q, Wolfe A, Pietrak B, Zuck P, Levorse DA, Hazuda D, Vacca JP, J Med Chem. 2008 Oct 23;51(20):6259-62. Epub 2008 Sep 24. PMID:18811140

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (3fkt.pdb1.gz) 129 Kb Biological Unit Coordinates (3fkt.pdb2.gz) 66 Kb LPC: Ligand-Protein Contacts for 3FKT CSU: Contacts of Structural Units for 3FKT Likely Quarternary Molecular Structure file(s) for 3FKT Structure Factors (384 Kb) Retrieve 3FKT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3FKT from S2C, [Save to disk] Re-refined 3fkt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3FKT 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 3FKT

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 3FKT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3fkt_A] [3fkt] SWISS-PROT database: [P56817] Belongs to the β-amyloid cleaving enzyme (bace1) family according to TCDB. Domain organization of [BACE1_HUMAN] by SWISSPFAM

Other resources with information on 3FKT

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

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