6vb8

Crystal structure of a lectin from Canavalia brasiliensis seed (ConBr) complexed with indole-3-acetic acid

Method: X-RAY DIFFRACTION Dmax: 61.3 Å Quality: GOOD

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

Concanavalin-Br

OrganismNot specified

UniProt P55915

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–237 Not recorded GOL GLYCEROL × 4 CA CALCIUM ION × 4 MN MANGANESE (II) ION × 4 CL CHLORIDE ION × 8 DBB D-ALPHA-AMINOBUTYRIC ACID × 4 IAC 1H-INDOL-3-YLACETIC ACID × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;1.8 M ammonium sulfate, 0.2 M sodium chloride, 0.1 M HEPES, pH 8.5 Resolution 2.20 Å R-free 0.236

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.

19 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CONA_CANBR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–237; UniProt 1–237

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 6vb8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6vb8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6vb8
Deposition date deposition_date2019-12-18
Structure title titleCrystal structure of a lectin from Canavalia brasiliensis seed (ConBr) complexed with indole-3-acetic acid
Keywords keywordsCanavalia brasiliensis, ConBr, IAA, indole-3-acetic acid, auxin, Lectin, ABU, alpha-aminobutyric acid, SUGAR BINDING PROTEIN; SUGAR BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.11
Radius of gyration Rg (electron density) rg_electron16.72
Forward intensity I(0) i011927200.00
Molecular weight molecular_weight25646.0 kDa
Excluded volume excluded_volume32028 ų
Envelope volume envelope_volume35660 ų
Hydration-shell volume shell_volume17578 ų
Envelope diameter envelope_diameter61.4
Shell Rg shell_rg23.26
Envelope Rg envelope_rg17.13
Shape Rg shape_rg16.69
Total Rg total_rg17.83
Total atoms total_atoms1805
Residues n_residues233
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 dmax61.3
Rg (real space) rg_real17.99
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real1.1930e+07
I(0) uncertainty (real space) i0_real_error1.5490e+05
Rg (reciprocal space) rg_reciprocal18.01
I(0) (reciprocal space) i0_reciprocal11930000.0000
Solution quality estimate total_estimate0.7866
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.0
Skewness Skewness skewness0.203
Kurtosis Kurtosis kurtosis-0.249
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2963000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.745; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6vb8a_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.1 — Legume lectins

8. Citations (1)

9. Files and Curves (10)