3ovz

Cathepsin K in complex with a covalent inhibitor with a ketoamide warhead

Method: X-RAY DIFFRACTION Dmax: 60.9 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Cathepsin K

Homo sapiens

UniProt P43235

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 121–329 Fragment:UNP residues 121-329 O96 N-[(1S)-3-amino-1-ethyl-2,3-dioxopropyl]-2-chloro-4-(pyridin-2-ylmethoxy)-3-(trifluoromethyl)benzamide × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:298 K;0 mM NaAcetate pH=4.0, 0.3 M NaCl, 20% PEG4000, 0.2 M (NH4)2SO4, pH=2.9, 4% Methanol, Cryoprotectant composition:20% PEG4000, 0.1M (NH4)2SO4 pH=2.9, 4% Methanol, 20% PEG 400, pH 5, cocrystallization, hanging drop, temperature 398K Resolution 2.02 Å R-free 0.308

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

69 other PDB entries and 83 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CATK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–213; UniProt 121–329

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3ovz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ovz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ovz
Deposition date deposition_date2010-09-17
Structure title titleCathepsin K in complex with a covalent inhibitor with a ketoamide warhead
Keywords keywords;Cathepsin K, hydrolase, covalent inhibitor, ketoamide warhead, Ligand forms covalent bond to Cys25, Lysosomes, HYDROLASE-HYDROLASE INHIBITOR complex ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier17.48
Radius of gyration Rg (electron density) rg_electron16.31
Forward intensity I(0) i011478600.00
Molecular weight molecular_weight23970.0 kDa
Excluded volume excluded_volume29448 ų
Envelope volume envelope_volume32951 ų
Hydration-shell volume shell_volume16693 ų
Envelope diameter envelope_diameter58.2
Shell Rg shell_rg22.69
Envelope Rg envelope_rg16.68
Shape Rg shape_rg16.26
Total Rg total_rg17.42
Total atoms total_atoms1677
Residues n_residues213
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax60.9
Rg (real space) rg_real17.38
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.1480e+07
I(0) uncertainty (real space) i0_real_error1.2270e+05
Rg (reciprocal space) rg_reciprocal17.39
I(0) (reciprocal space) i0_reciprocal11480000.0000
Solution quality estimate total_estimate0.7791
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.9
Skewness Skewness skewness0.193
Kurtosis Kurtosis kurtosis-0.340
Angular range angular_range— – 0.4550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3039000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.711; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3ovza1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.3 — Cysteine proteinases
Superfamily Superfamily superfamilyd.3.1 — Cysteine proteinases
Family Family familyd.3.1.1 — Papain-like
Domain ID domain_idd3ovza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id3ovzA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases

8. Citations (1)

9. Files and Curves (10)