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- PDB-3fcq: Thermolysin inhibition -

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Basic information

Entry
Database: PDB / ID: 3fcq
TitleThermolysin inhibition
ComponentsThermolysin
KeywordsHYDROLASE / protein fragment complex / Calcium / Metal-binding / Metalloprotease / Protease / Secreted / Zinc / Zymogen
Function / homology
Function and homology information


thermolysin / metalloendopeptidase activity / proteolysis / extracellular region / metal ion binding
Similarity search - Function
Elastase; domain 1 - #10 / Elastase; domain 1 / PepSY domain / Peptidase propeptide and YPEB domain / : / Peptidase M4, C-terminal / FTP domain / Peptidase M4 domain / Peptidase M4 / Thermolysin metallopeptidase, catalytic domain ...Elastase; domain 1 - #10 / Elastase; domain 1 / PepSY domain / Peptidase propeptide and YPEB domain / : / Peptidase M4, C-terminal / FTP domain / Peptidase M4 domain / Peptidase M4 / Thermolysin metallopeptidase, catalytic domain / Thermolysin metallopeptidase, alpha-helical domain / Fungalysin/Thermolysin Propeptide Motif / Neutral Protease Domain 2 / Neutral Protease; domain 2 / Peptidase M4/M1, CTD superfamily / Neutral zinc metallopeptidases, zinc-binding region signature. / Roll / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
2-(acetyloxy)-3-methylbenzoic acid / Thermolysin
Similarity search - Component
Biological speciesBacillus thermoproteolyticus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.75 Å
AuthorsSteuber, H. / Englert, L. / Silber, K. / Heine, A. / Klebe, G.
CitationJournal: Chemmedchem / Year: 2010
Title: Fragment-Based Lead Discovery: Screening and Optimizing Fragments for Thermolysin Inhibition.
Authors: Englert, L. / Silber, K. / Steuber, H. / Brass, S. / Over, B. / Gerber, H.D. / Heine, A. / Diederich, W.E. / Klebe, G.
History
DepositionNov 22, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 8, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jul 24, 2019Group: Data collection / Refinement description / Category: software / Item: _software.classification / _software.name
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 / pdbx_struct_conn_angle / struct_conn / 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 / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Thermolysin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,7827
Polymers34,3621
Non-polymers4206
Water4,990277
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)92.718, 92.718, 129.965
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122

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Components

#1: Protein Thermolysin / Thermostable neutral proteinase


Mass: 34362.305 Da / Num. of mol.: 1 / Fragment: UNP residues 233-548 / Source method: isolated from a natural source / Source: (natural) Bacillus thermoproteolyticus (bacteria) / References: UniProt: P00800, thermolysin
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-M3S / 2-(acetyloxy)-3-methylbenzoic acid


Mass: 194.184 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H10O4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 277 / Source method: isolated from a natural source / Formula: H2O

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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: 2.15 Å3/Da / Density % sol: 47.58 %
Crystal growTemperature: 288 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 50mM Tris/HCl, 50%DMSO, 1.9MCsCl, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 288K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.91841 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Feb 11, 2006 / Details: Double crystal monochromator
RadiationMonochromator: Double crystal monochromator KMC-1 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91841 Å / Relative weight: 1
ReflectionResolution: 1.75→50 Å / Num. all: 33957 / Num. obs: 33957 / % possible obs: 100 % / Redundancy: 6.7 % / Rsym value: 0.088 / Net I/σ(I): 21
Reflection shellResolution: 1.75→1.78 Å / Redundancy: 7.1 % / Mean I/σ(I) obs: 3.9 / Num. unique all: 1669 / Rsym value: 0.495

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Processing

Software
NameClassification
SHELXL-97refinement
CNSrefinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ENTRY 2TLX

2tlx


Resolution: 1.75→10 Å / Num. parameters: 10955 / Num. restraintsaints: 10194 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
Details: ANISOTROPIC SCALING APPLIED BY THE METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56
RfactorNum. reflection% reflectionSelection details
Rfree0.2306 1686 5 %RANDOM
Rwork0.1762 ---
all0.1773 33663 --
obs0.1773 33663 100 %-
Refine analyzeNum. disordered residues: 4 / Occupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 2720
Refinement stepCycle: LAST / Resolution: 1.75→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2424 0 19 277 2720
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.007
X-RAY DIFFRACTIONs_angle_d0.023
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0245
X-RAY DIFFRACTIONs_zero_chiral_vol0.04
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.043
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.012
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.053
X-RAY DIFFRACTIONs_approx_iso_adps0

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