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- PDB-2zjm: Crystal structure of the human BACE1 catalytic domain in complex ... -

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Basic information

Entry
Database: PDB / ID: 2zjm
TitleCrystal structure of the human BACE1 catalytic domain in complex with N-[1-(5-chloro-2-isopropoxy-3-methoxy-benzyl)-piperidin-4-yl]-2-(4-sulfamoyl-phenoxy)-acetamide
ComponentsBeta-secretase 1
KeywordsHYDROLASE / BACE / small-molecule inhibitor / fragment-based discovery / Alternative splicing / Aspartyl protease / Glycoprotein / Membrane / Protease / Transmembrane / Zymogen
Function / homology
Function and homology information


memapsin 2 / Golgi-associated vesicle lumen / beta-aspartyl-peptidase activity / signaling receptor ligand precursor processing / amyloid-beta formation / amyloid precursor protein catabolic process / membrane protein ectodomain proteolysis / amyloid-beta metabolic process / detection of mechanical stimulus involved in sensory perception of pain / prepulse inhibition ...memapsin 2 / Golgi-associated vesicle lumen / beta-aspartyl-peptidase activity / signaling receptor ligand precursor processing / amyloid-beta formation / amyloid precursor protein catabolic process / membrane protein ectodomain proteolysis / amyloid-beta metabolic process / detection of mechanical stimulus involved in sensory perception of pain / prepulse inhibition / cellular response to manganese ion / multivesicular body / presynaptic modulation of chemical synaptic transmission / protein serine/threonine kinase binding / cellular response to copper ion / hippocampal mossy fiber to CA3 synapse / trans-Golgi network / recycling endosome / protein processing / response to lead ion / cellular response to amyloid-beta / synaptic vesicle / late endosome / peptidase activity / positive regulation of neuron apoptotic process / amyloid-beta binding / endopeptidase activity / amyloid fibril formation / aspartic-type endopeptidase activity / early endosome / lysosome / endosome / endosome membrane / membrane raft / endoplasmic reticulum lumen / Amyloid fiber formation / axon / neuronal cell body / dendrite / enzyme binding / cell surface / Golgi apparatus / proteolysis / membrane / plasma membrane
Similarity search - Function
Beta-secretase BACE1 / Beta-secretase BACE / Memapsin-like / Eukaryotic aspartyl protease / Aspartic peptidase A1 family / Peptidase family A1 domain / Peptidase family A1 domain profile. / Cathepsin D, subunit A; domain 1 / Acid Proteases / Aspartic peptidase, active site ...Beta-secretase BACE1 / Beta-secretase BACE / Memapsin-like / Eukaryotic aspartyl protease / Aspartic peptidase A1 family / Peptidase family A1 domain / Peptidase family A1 domain profile. / Cathepsin D, subunit A; domain 1 / Acid Proteases / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Chem-F1M / Beta-secretase 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsAllison, T.J. / Pham, P. / Romanowski, M.J. / Munshi, S.K.
CitationJournal: To be Published
Title: Fragment-based discovery of novel BACE1 inhibitors using Tethering technology
Authors: Yang, W. / Fucini, R.V. / Fahr, B.T. / Randal, M. / Lind, K.E. / Lam, M.B. / Lu, W. / Lu, Y. / Cary, D.R. / Romanowski, M.J.
History
DepositionMar 7, 2008Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 20, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 10, 2021Group: Database references / Derived calculations / Category: database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Nov 1, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.4Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Beta-secretase 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,6492
Polymers45,1231
Non-polymers5261
Water4,702261
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)103.645, 127.836, 76.561
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein Beta-secretase 1 / Beta-site APP cleaving enzyme 1 / Beta-site amyloid precursor protein cleaving enzyme 1 / Membrane- ...Beta-site APP cleaving enzyme 1 / Beta-site amyloid precursor protein cleaving enzyme 1 / Membrane-associated aspartic protease 2 / Memapsin-2 / Aspartyl protease 2 / Asp 2 / ASP2


Mass: 45122.750 Da / Num. of mol.: 1 / Fragment: UNP residues 43-446 / Mutation: K75A, E77A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: BACE1 / Plasmid: PET11A / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P56817, memapsin 2
#2: Chemical ChemComp-F1M / N-{1-[5-chloro-3-methoxy-2-(1-methylethoxy)benzyl]piperidin-4-yl}-2-(4-sulfamoylphenoxy)acetamide / N-[1-(5-chloro-2-isopropoxy-3-methoxy-benzyl)-piperidin-4-yl]-2-(4-sulfamoyl-phenoxy)-acetamide


Mass: 526.045 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C24H32ClN3O6S
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 261 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.81 Å3/Da / Density % sol: 56.23 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5
Details: 0.1M HEPES (pH 7.5), 1.5M Li2SO4, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

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Data collection

DiffractionMean temperature: 180 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54 Å
DetectorType: RIGAKU RAXIS V / Detector: IMAGE PLATE / Date: Oct 11, 2004 / Details: VARIMAX-HF OPTIC
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 1.9→50 Å / Num. obs: 40419 / % possible obs: 100 % / Biso Wilson estimate: 21.4 Å2 / Rmerge(I) obs: 0.094
Reflection shellResolution: 1.9→1.97 Å / Rmerge(I) obs: 0.454

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Processing

Software
NameVersionClassification
CNX2005refinement
CrystalCleardata collection
d*TREKdata reduction
d*TREKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2P8H

2p8h


Resolution: 1.9→6 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 455927.13 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.23 3802 10 %RANDOM
Rwork0.208 ---
obs-37835 96.8 %-
Solvent computationSolvent model: BABINET / Bsol: 280 Å2 / ksol: 0.8 e/Å3
Displacement parametersBiso mean: 31 Å2
Baniso -1Baniso -2Baniso -3
1--6.86 Å20 Å20 Å2
2--12.76 Å20 Å2
3----5.91 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.24 Å0.21 Å
Luzzati d res low-6 Å
Luzzati sigma a0.15 Å0.11 Å
Refinement stepCycle: LAST / Resolution: 1.9→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2957 0 35 261 3253
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d23
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.77
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 1.9→1.97 Å / Rfactor Rfree error: 0.015 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.293 363 10.3 %
Rwork0.257 3175 -
obs--91.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2S7396_inh_rb2_v2_edit.xprmwater.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4water_rep.param

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