1XS7	Hydrolase	date	Oct 18, 2004
title	Crystal Structure Of A Cycloamide-Urethane-Derived Novel Inh Bound To Human Brain Memapsin 2 (Beta-Secretase).
authors	A.Ghosh, T.Devasamudram, L.Hong, C.Dezutter, X.Xu, V.Weerasena, G. G.Bilcer, J.Tang
compound		source
Molecule: Beta-Secretase 1 Chain: D Synonym: Beta-Site App Cleaving Enzyme 1, Beta-Site Amyloid Protein Cleaving Enzyme 1, Aspartyl Protease 2, Asp 2, Asp2 Membrane-Associated Aspartic Protease 2, Memapsin-2; Ec: 3.4.23.46 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Bace1, Bace Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Pet11a Expression_system_plasmid: Plasmid
symmetry	Space Group: P 1 21 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.839 87.807 130.644 90.00 89.81 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	MMI BindingDB	enzyme	Hydrolase E.C.3.4.23.46 BRENDA
Gene Ontology	Chain Function Process Component D
Primary reference	Structure-based design of cycloamide-urethane-derived novel inhibitors of human brain memapsin 2 (beta-secretase)., Ghosh AK, Devasamudram T, Hong L, Dezutter C, Xu X, Weerasena V, Koelsch G, Bilcer G, Tang J, Bioorg Med Chem Lett 2005 Jan 3;15(1):15-20. PMID:15582402

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk] Biological Unit Coordinates (1xs7.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1XS7 CSU: Contacts of Structural Units for 1XS7 Likely Quarternary Molecular Structure file(s) for 1XS7 Retrieve 1XS7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XS7 from S2C, [Save to disk]

View 1XS7 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 1XS7

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1XS7, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xs7d_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xs7_D] [1xs7] 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 1XS7

Community annotation for 1XS7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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