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- PDB-3pcw: Endothiapepsin in complex with a fragment -

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Basic information

Entry
Database: PDB / ID: 3pcw
TitleEndothiapepsin in complex with a fragment
ComponentsEndothiapepsin
KeywordsHYDROLASE/HYDROLASE INHIBITOR / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


endothiapepsin / aspartic-type endopeptidase activity / proteolysis
Similarity search - Function
Aspergillopepsin-like catalytic domain / 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 ...Aspergillopepsin-like catalytic domain / 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
4-(trifluoromethyl)benzenecarboximidamide / Endothiapepsin
Similarity search - Component
Biological speciesCryphonectria parasitica (chestnut blight fungus)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.25 Å
AuthorsKoester, H. / Heine, A. / Klebe, G.
CitationJournal: J.Med.Chem. / Year: 2011
Title: A small nonrule of 3 compatible fragment library provides high hit rate of endothiapepsin crystal structures with various fragment chemotypes.
Authors: Koster, H. / Craan, T. / Brass, S. / Herhaus, C. / Zentgraf, M. / Neumann, L. / Heine, A. / Klebe, G.
History
DepositionOct 22, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 19, 2011Provider: repository / Type: Initial release
Revision 1.1Nov 2, 2011Group: Database references
Revision 1.2Nov 30, 2011Group: Database references
Revision 1.3Sep 6, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Oct 9, 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: Endothiapepsin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,2645
Polymers33,8141
Non-polymers4504
Water5,477304
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)45.320, 73.060, 52.520
Angle α, β, γ (deg.)90.00, 109.51, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Endothiapepsin / Aspartate protease


Mass: 33813.855 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Cryphonectria parasitica (chestnut blight fungus)
References: UniProt: P11838, endothiapepsin
#2: Chemical ChemComp-FBF / 4-(trifluoromethyl)benzenecarboximidamide


Mass: 188.150 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H7F3N2
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-DMS / DIMETHYL SULFOXIDE


Mass: 78.133 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6OS / Comment: DMSO, precipitant*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 304 / 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: 2.42 Å3/Da / Density % sol: 49.25 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 4.6
Details: 0.1 M NH4Ac, 0.1 M Acetat-Buffer, 26 % PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.91841 Å
DetectorType: RAYONIX MX-225 / Detector: CCD / Date: Jun 24, 2010 / Details: mirrors
RadiationMonochromator: Double Crystal Monochromator KMC-2 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91841 Å / Relative weight: 1
ReflectionResolution: 1.25→20 Å / Num. all: 86999 / Num. obs: 86999 / % possible obs: 100 % / Redundancy: 3.1 % / Rsym value: 0.036 / Net I/σ(I): 27.9
Reflection shellResolution: 1.25→1.27 Å / Redundancy: 2.1 % / Mean I/σ(I) obs: 3.9 / Num. unique all: 3732 / Rsym value: 0.189 / % possible all: 100

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Processing

Software
NameClassification
MAR345dtbdata collection
PHASERphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 1OEW

1oew


Resolution: 1.25→10 Å / Num. parameters: 24573 / Num. restraintsaints: 30563 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.1499 4270 -RANDOM
Rwork0.1163 ---
all0.1172 80258 --
obs-80258 90.5 %-
Refine analyzeNum. disordered residues: 7 / Occupancy sum hydrogen: 2240 / Occupancy sum non hydrogen: 2701.16
Refinement stepCycle: LAST / Resolution: 1.25→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2369 0 29 304 2702
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.013
X-RAY DIFFRACTIONs_angle_d0.028
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.031
X-RAY DIFFRACTIONs_zero_chiral_vol0.074
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.075
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.099
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0.005
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.034
X-RAY DIFFRACTIONs_approx_iso_adps0.089

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