3of9

Structural Basis for Irreversible Inhibition of Human Cathepsin L by a Diazomethylketone Inhibitor

Method: X-RAY DIFFRACTION Dmax: 62.0 Å Quality: REASONABLE

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

Cathepsin L1

Homo sapiens

UniProt P07711

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 113–333 Fragment:Cathepsin L I0X Nalpha-[(benzyloxy)carbonyl]-N-[(1S)-1-(4-tert-butoxybenzyl)-3-diazo-2-oxopropyl]-L-phenylalaninamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.2;298 K;30%( w/v) PEG 8K and 200mM Ammonium sulfate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 1.76 Å R-free 0.249

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.

63 other PDB entries and 156 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CATL1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–221; UniProt 113–333

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 3of9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3of9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3of9
Deposition date deposition_date2010-08-14
Structure title titleStructural Basis for Irreversible Inhibition of Human Cathepsin L by a Diazomethylketone Inhibitor
Keywords keywordsHYDROLASE-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_guinier17.77
Radius of gyration Rg (electron density) rg_electron16.62
Forward intensity I(0) i011841600.00
Molecular weight molecular_weight24800.0 kDa
Excluded volume excluded_volume30544 ų
Envelope volume envelope_volume33587 ų
Hydration-shell volume shell_volume16797 ų
Envelope diameter envelope_diameter60.8
Shell Rg shell_rg22.89
Envelope Rg envelope_rg16.98
Shape Rg shape_rg16.60
Total Rg total_rg17.60
Total atoms total_atoms1744
Residues n_residues221
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 dmax62.0
Rg (real space) rg_real17.69
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real1.1840e+07
I(0) uncertainty (real space) i0_real_error1.5630e+05
Rg (reciprocal space) rg_reciprocal17.70
I(0) (reciprocal space) i0_reciprocal11840000.0000
Solution quality estimate total_estimate0.7256
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.5
Skewness Skewness skewness0.252
Kurtosis Kurtosis kurtosis-0.295
Angular range angular_range— – 0.4500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2824000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.725; Stabil: 1.000; Sysdev: 0.424; Positv: 1.000; Valcen: 0.981; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3of9a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.3 — Cysteine proteinases
Superfamily Superfamily superfamilyd.3.1 — Cysteine proteinases
Family Family familyd.3.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id3of9A00
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)