1f29

CRYSTAL STRUCTURE ANALYSIS OF CRUZAIN BOUND TO A VINYL SULFONE DERIVED INHIBITOR (I)

Method: X-RAY DIFFRACTION Dmax: 139.5 Å Quality: REASONABLE

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

CRUZAIN

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 Fragment:CATALYTIC DOMAIN VS1 3-[[N-[MORPHOLIN-N-YL]-CARBONYL]-PHENYLALANINYL-AMINO]-5- PHENYL-PENTANE-1-SULFONYLBENZENE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;291 K;Sodium Citrate; micro seeding, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.15 Å R-free 0.208
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 123–337 Fragment:CATALYTIC DOMAIN VS1 3-[[N-[MORPHOLIN-N-YL]-CARBONYL]-PHENYLALANINYL-AMINO]-5- PHENYL-PENTANE-1-SULFONYLBENZENE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;291 K;Sodium Citrate; micro seeding, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.15 Å R-free 0.208
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 123–337 Fragment:CATALYTIC DOMAIN VS1 3-[[N-[MORPHOLIN-N-YL]-CARBONYL]-PHENYLALANINYL-AMINO]-5- PHENYL-PENTANE-1-SULFONYLBENZENE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;291 K;Sodium Citrate; micro seeding, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.15 Å R-free 0.208

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 57 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 Author chain B; PDBConstruct 1–215; UniProt 123–337 Author chain C; 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 1f29

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1f29
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1f29
Deposition date deposition_date2000-05-23
Structure title titleCRYSTAL STRUCTURE ANALYSIS OF CRUZAIN BOUND TO A VINYL SULFONE DERIVED INHIBITOR (I)
Keywords keywords;cysteine protease, covalent inhibitor, vinyl sulfone derived, P1' pocket, HYDROLASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier44.31
Radius of gyration Rg (electron density) rg_electron45.59
Forward intensity I(0) i079615900.00
Molecular weight molecular_weight69759.0 kDa
Excluded volume excluded_volume86071 ų
Envelope volume envelope_volume123660 ų
Hydration-shell volume shell_volume29066 ų
Envelope diameter envelope_diameter149.6
Shell Rg shell_rg38.00
Envelope Rg envelope_rg44.10
Shape Rg shape_rg45.58
Total Rg total_rg45.18
Total atoms total_atoms4899
Residues n_residues645
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 dmax139.5
Rg (real space) rg_real45.19
Rg uncertainty (real space) rg_real_error1.63
I(0) (real space) i0_real7.9620e+07
I(0) uncertainty (real space) i0_real_error1.3870e+06
Rg (reciprocal space) rg_reciprocal44.32
I(0) (reciprocal space) i0_reciprocal79530000.0000
Solution quality estimate total_estimate0.5545
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary19.4
Skewness Skewness skewness0.546
Kurtosis Kurtosis kurtosis-0.652
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2160000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.026; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.126; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1f29a_
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_idd1f29b_
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_idd1f29c_
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

CATH v4.4 (3 domains)

Domain ID domain_id1f29A00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases
Domain ID domain_id1f29B00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases
Domain ID domain_id1f29C00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology70 — Cathepsin B; Chain A
Homologous superfamily homologous superfamily10 — Cysteine proteinases

8. Citations (2)

9. Files and Curves (10)