2cav

CANAVALIN FROM JACK BEAN

Method: X-RAY DIFFRACTION Dmax: 94.5 Å Quality: GOOD

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

PROTEIN (CANAVALIN)

OrganismNot specified

UniProt P50477

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–445 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.8;30 - 40 MG/ML PROTEIN SOLUTION WAS PREPARED BY DISSOLVING 4-TIME RECRYSTALLIZED CANAVALIN IN DISTILLED WATER PLUS TRACE NH4OH. RESERVOIR SOLUTION CONTAINED 2.0 % NACL IN 50 MM PHOSPHATE BUFFER AT PH 6.8. CRYSTALS WERE OBTAINED BY MIXING PROTEIN AND RESERVOIR SOLUTION IN SITTING DROPS FOLLOWED BY VAPOR DIFFUSION AGAINST THE RESERVOIR., vapor diffusion Resolution 2.00 Å R-free 0.264

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.

10 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CANA_CANEN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–445; UniProt 1–445

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 2cav

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2cav
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2cav
Deposition date deposition_date1998-11-20
Structure title titleCANAVALIN FROM JACK BEAN
Keywords keywordsVICILIN, 7S SEED PROTEIN, DOMAIN DUPLICATION, SWISS ROLL, PLANT PROTEIN; PLANT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.72
Radius of gyration Rg (electron density) rg_electron23.95
Forward intensity I(0) i026325100.00
Molecular weight molecular_weight39379.0 kDa
Excluded volume excluded_volume49379 ų
Envelope volume envelope_volume61914 ų
Hydration-shell volume shell_volume23137 ų
Envelope diameter envelope_diameter96.5
Shell Rg shell_rg29.17
Envelope Rg envelope_rg24.73
Shape Rg shape_rg23.97
Total Rg total_rg24.53
Total atoms total_atoms2781
Residues n_residues346
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 dmax94.5
Rg (real space) rg_real25.02
Rg uncertainty (real space) rg_real_error0.91
I(0) (real space) i0_real2.6330e+07
I(0) uncertainty (real space) i0_real_error4.0230e+05
Rg (reciprocal space) rg_reciprocal24.95
I(0) (reciprocal space) i0_reciprocal26320000.0000
Solution quality estimate total_estimate0.7663
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary27.0
Skewness Skewness skewness0.755
Kurtosis Kurtosis kurtosis0.598
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha2760000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.443; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.674; Smooth: 0.954

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2cava1
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.1 — RmlC-like cupins
Family Family familyb.82.1.2 — Germin/Seed storage 7S protein
Domain ID domain_idd2cava2
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.1 — RmlC-like cupins
Family Family familyb.82.1.2 — Germin/Seed storage 7S protein

CATH v4.4 (2 domains)

Domain ID domain_id2cavA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id2cavA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls

8. Citations (2)

9. Files and Curves (10)