7s18

Crystal structure of cruzain with gallinamide analog from 2-biaryl series

Method: X-RAY DIFFRACTION Dmax: 57.4 Å Quality: GOOD

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

Cruzipain

Trypanosoma cruzi

UniProt P25779

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 123–337 Not recorded 83E N,N-dimethyl-L-valyl-L-leucyl-N-[(3S)-6-{(2S)-2-[([1,1'-biphenyl]-4-yl)methyl]-3-methoxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl}-6-oxo-1-phenylhexan-3-yl]-L-leucinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.3;296 K;3.2 M Sodium Chloride; 0.1 M Sodium Citrate pH 5.3; 0.01 M Sarcosine Resolution 2.14 Å R-free 0.289

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.

30 other PDB entries and 59 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYSP_TRYCR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–215; UniProt 123–337

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 7s18

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7s18
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7s18
Deposition date deposition_date2021-09-01
Structure title titleCrystal structure of cruzain with gallinamide analog from 2-biaryl series
Keywords keywordsCysteine Protease, Cruzain, Gallinamide, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.13
Radius of gyration Rg (electron density) rg_electron16.03
Forward intensity I(0) i010347200.00
Molecular weight molecular_weight23450.0 kDa
Excluded volume excluded_volume29089 ų
Envelope volume envelope_volume31807 ų
Hydration-shell volume shell_volume16396 ų
Envelope diameter envelope_diameter56.3
Shell Rg shell_rg22.38
Envelope Rg envelope_rg16.31
Shape Rg shape_rg16.02
Total Rg total_rg17.09
Total atoms total_atoms1649
Residues n_residues215
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 dmax57.4
Rg (real space) rg_real17.02
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real1.0350e+07
I(0) uncertainty (real space) i0_real_error1.2680e+05
Rg (reciprocal space) rg_reciprocal17.04
I(0) (reciprocal space) i0_reciprocal10350000.0000
Solution quality estimate total_estimate0.7662
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.4
Skewness Skewness skewness0.176
Kurtosis Kurtosis kurtosis-0.376
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2690000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.672; Stabil: 0.980; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)