7zs7

Crystal structure of human cathepsin L with covalently bound calpain inhibitor VI

Method: X-RAY DIFFRACTION Dmax: 92.6 Å Quality: GOOD

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

Cathepsin L

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 114–333 Mutation:T110A JQO (2S)-2-[(4-fluorophenyl)sulfonylamino]-3-methyl-N-[(2S)-4-methyl-1-oxidanyl-pentan-2-yl]butanamide × 1 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;Mature cathepsin L at a concentration of 7 mg/ml was equilibrated against 27% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0. Crystals, which grew at 293 K to final size after approximately 3 days, were transferred to a compound soaking solution containing 22% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0 as well as 5% v/v DMSO and 10% v/v PEG 400. Resolution 1.60 Å R-free 0.188
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 114–333 Mutation:T110A JQO (2S)-2-[(4-fluorophenyl)sulfonylamino]-3-methyl-N-[(2S)-4-methyl-1-oxidanyl-pentan-2-yl]butanamide × 1 DMS DIMETHYL SULFOXIDE × 2 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;Mature cathepsin L at a concentration of 7 mg/ml was equilibrated against 27% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0. Crystals, which grew at 293 K to final size after approximately 3 days, were transferred to a compound soaking solution containing 22% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0 as well as 5% v/v DMSO and 10% v/v PEG 400. Resolution 1.60 Å R-free 0.188
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 114–333 Mutation:T110A JQO (2S)-2-[(4-fluorophenyl)sulfonylamino]-3-methyl-N-[(2S)-4-methyl-1-oxidanyl-pentan-2-yl]butanamide × 1 DMS DIMETHYL SULFOXIDE × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;Mature cathepsin L at a concentration of 7 mg/ml was equilibrated against 27% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0. Crystals, which grew at 293 K to final size after approximately 3 days, were transferred to a compound soaking solution containing 22% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0 as well as 5% v/v DMSO and 10% v/v PEG 400. Resolution 1.60 Å R-free 0.188
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 114–333 Mutation:T110A JQO (2S)-2-[(4-fluorophenyl)sulfonylamino]-3-methyl-N-[(2S)-4-methyl-1-oxidanyl-pentan-2-yl]butanamide × 1 DMS DIMETHYL SULFOXIDE × 4 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4;293 K;Mature cathepsin L at a concentration of 7 mg/ml was equilibrated against 27% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0. Crystals, which grew at 293 K to final size after approximately 3 days, were transferred to a compound soaking solution containing 22% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0 as well as 5% v/v DMSO and 10% v/v PEG 400. Resolution 1.60 Å R-free 0.188

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 153 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 1–220; UniProt 114–333 Author chain B; PDBConstruct 1–220; UniProt 114–333 Author chain C; PDBConstruct 1–220; UniProt 114–333 Author chain D; PDBConstruct 1–220; UniProt 114–333

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 7zs7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7zs7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7zs7
Deposition date deposition_date2022-05-06
Structure title titleCrystal structure of human cathepsin L with covalently bound calpain inhibitor VI
Keywords keywordscystein protease, drug target, lysosome, virus cell entry, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.63
Radius of gyration Rg (electron density) rg_electron28.63
Forward intensity I(0) i0170008000.00
Molecular weight molecular_weight99089.0 kDa
Excluded volume excluded_volume121820 ų
Envelope volume envelope_volume146960 ų
Hydration-shell volume shell_volume41602 ų
Envelope diameter envelope_diameter91.9
Shell Rg shell_rg36.96
Envelope Rg envelope_rg28.45
Shape Rg shape_rg28.59
Total Rg total_rg29.47
Total atoms total_atoms6959
Residues n_residues880
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 dmax92.6
Rg (real space) rg_real29.47
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real1.7000e+08
I(0) uncertainty (real space) i0_real_error2.6060e+06
Rg (reciprocal space) rg_reciprocal29.54
I(0) (reciprocal space) i0_reciprocal170000000.0000
Solution quality estimate total_estimate0.8933
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.2
Skewness Skewness skewness0.149
Kurtosis Kurtosis kurtosis-0.425
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha59050000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.921

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id7zs7A01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases
Domain ID domain_id7zs7B01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases
Domain ID domain_id7zs7C01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases
Domain ID domain_id7zs7D01
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)