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- PDB-1mem: Crystal structure of Cathepsin K complexed with a potent vinyl su... -

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Basic information

Entry
Database: PDB / ID: 1mem
TitleCrystal structure of Cathepsin K complexed with a potent vinyl sulfone inhibitor
ComponentsCathepsin K
KeywordsHYDROLASE/HYDROLASE INHIBITOR / OSTEOPOROSIS / PROTEASE / DRUG DESIGN / CYSTEINE / OSTEOCLAST / Disease mutation / Disulfide bond / Glycoprotein / Lysosome / Thiol protease / Zymogen / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


cathepsin K / negative regulation of cartilage development / RUNX1 regulates transcription of genes involved in differentiation of keratinocytes / endolysosome lumen / thyroid hormone generation / Trafficking and processing of endosomal TLR / proteoglycan binding / Activation of Matrix Metalloproteinases / Collagen degradation / collagen catabolic process ...cathepsin K / negative regulation of cartilage development / RUNX1 regulates transcription of genes involved in differentiation of keratinocytes / endolysosome lumen / thyroid hormone generation / Trafficking and processing of endosomal TLR / proteoglycan binding / Activation of Matrix Metalloproteinases / Collagen degradation / collagen catabolic process / fibronectin binding / extracellular matrix disassembly / bone resorption / mitophagy / collagen binding / Degradation of the extracellular matrix / MHC class II antigen presentation / cysteine-type peptidase activity / lysosomal lumen / proteolysis involved in protein catabolic process / lysosome / apical plasma membrane / external side of plasma membrane / serine-type endopeptidase activity / cysteine-type endopeptidase activity / intracellular membrane-bounded organelle / proteolysis / extracellular space / extracellular region / nucleoplasm
Similarity search - Function
Cathepsin propeptide inhibitor domain (I29) / Cathepsin propeptide inhibitor domain (I29) / Cathepsin propeptide inhibitor domain (I29) / Papain-like cysteine endopeptidase / Cysteine peptidase, asparagine active site / Eukaryotic thiol (cysteine) proteases asparagine active site. / Cysteine peptidase, histidine active site / Eukaryotic thiol (cysteine) proteases histidine active site. / : / Peptidase C1A, papain C-terminal ...Cathepsin propeptide inhibitor domain (I29) / Cathepsin propeptide inhibitor domain (I29) / Cathepsin propeptide inhibitor domain (I29) / Papain-like cysteine endopeptidase / Cysteine peptidase, asparagine active site / Eukaryotic thiol (cysteine) proteases asparagine active site. / Cysteine peptidase, histidine active site / Eukaryotic thiol (cysteine) proteases histidine active site. / : / Peptidase C1A, papain C-terminal / Papain family cysteine protease / Papain family cysteine protease / Cysteine proteinases / Cysteine peptidase, cysteine active site / Eukaryotic thiol (cysteine) proteases cysteine active site. / Cathepsin B; Chain A / Papain-like cysteine peptidase superfamily / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
N-{(1R)-3-phenyl-1-[2-(phenylsulfonyl)ethyl]propyl}-N~2~-(piperazin-1-ylcarbonyl)-L-leucinamide / Chem-0D6 / Cathepsin K
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsMcgrath, M.E.
CitationJournal: Nat.Struct.Biol. / Year: 1997
Title: Crystal structure of human cathepsin K complexed with a potent inhibitor.
Authors: McGrath, M.E. / Klaus, J.L. / Barnes, M.G. / Bromme, D.
History
DepositionJan 8, 1997Processing site: BNL
Revision 1.0Jan 14, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Atomic model / Database references ...Atomic model / Database references / Derived calculations / Non-polymer description / Structure summary / Version format compliance
Revision 1.3Dec 12, 2012Group: Other
Revision 1.4Jan 29, 2014Group: Refinement description
Revision 1.5Apr 3, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / software / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _software.name / _struct_conn.pdbx_leaving_atom_flag / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.6Nov 6, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cathepsin K
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,0522
Polymers23,5231
Non-polymers5291
Water2,360131
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)40.820, 50.040, 105.920
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Cathepsin K / Cathepsin O / Cathepsin X / Cathepsin O2


Mass: 23523.480 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CTSK, CTSO, CTSO2 / Production host: Pichia pastoris (fungus) / Strain (production host): GS115 / References: UniProt: P43235, cathepsin K
#2: Chemical ChemComp-0D6 / N-{(1R)-3-phenyl-1-[2-(phenylsulfonyl)ethyl]propyl}-N~2~-(piperazin-1-ylcarbonyl)-L-leucinamide / APC3328


Type: peptide-like, Peptide-like / Class: Inhibitor / Mass: 528.707 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C28H40N4O4S
References: N-{(1R)-3-phenyl-1-[2-(phenylsulfonyl)ethyl]propyl}-N~2~-(piperazin-1-ylcarbonyl)-L-leucinamide
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 131 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Nonpolymer detailsINHIBITOR 4-METHYLPIPERAZINE-1-CARBOXYLIC ACID [1-[(3-BENZENESULFONYL-1-PHENETHYLALLYL)CARBAMOYL]-2- ...INHIBITOR 4-METHYLPIPERAZINE-1-CARBOXYLIC ACID [1-[(3-BENZENESULFONYL-1-PHENETHYLALLYL)CARBAMOYL]-2-PHENYLETHYL]AMIDE WAS USED FOR CRYSTALLIZATION. THE C11-C21 SINGLE BOND IN 0D6 IS GENERATED AS A RESULT OF REACTION OF THE CYS 25 THIOL WITH THE OLEFINIC DOUBLE BOND OF THE INHIBIOR

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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: 2.4 Å3/Da / Density % sol: 49 %
Crystal growpH: 6 / Details: MG FORMATE, UNBUFFERED, pH 6.0
Crystal grow
*PLUS
Method: unknown

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418
DetectorType: RIGAKU / Detector: IMAGE PLATE / Date: Mar 1, 1996 / Details: MIRRORS
RadiationMonochromator: NI FILTER / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionHighest resolution: 1.8 Å / Num. obs: 20293 / % possible obs: 93 % / Observed criterion σ(I): 1 / Redundancy: 2.7 % / Rmerge(I) obs: 0.064 / Rsym value: 0.073 / Net I/σ(I): 15
Reflection shellResolution: 1.8→1.88 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.17 / Mean I/σ(I) obs: 3.3 / Rsym value: 0.17 / % possible all: 68
Reflection
*PLUS
Num. measured all: 75667 / Rmerge(I) obs: 0.073
Reflection shell
*PLUS
% possible obs: 68 %

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Processing

Software
NameVersionClassification
bioteXdata collection
MSCdata collection
bioteX(MSC)data reduction
MSCdata reduction
X-PLOR3.1model building
X-PLOR3.1refinement
bioteXdata scaling
X-PLOR3.1phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: HOMOLOGY MODEL FOR CATHEPSIN K (MEM, UNPUBLISHED RESULTS)

Resolution: 1.8→6 Å / Data cutoff high absF: 1000000 / Data cutoff low absF: 0.001 / σ(F): 2 /
RfactorNum. reflection% reflection
obs0.173 16945 93 %
Refine analyzeLuzzati coordinate error obs: 0.2 Å / Luzzati d res low obs: 6 Å
Refinement stepCycle: LAST / Resolution: 1.8→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1622 0 37 131 1790
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.72
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d24
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.19
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 1.8→1.88 Å / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rwork0.183 1746 -
obs--68 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.173
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg24
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.19
LS refinement shell
*PLUS
Rfactor obs: 0.183

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