1apn

THE CRYSTALLOGRAPHIC STRUCTURE OF METAL-FREE CONCANAVALIN A AT 2.5 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 82.9 Å Quality: GOOD

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

CONCANAVALIN A

OrganismNot specified

UniProt P02866

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 164–290 Chain B; UniProt 164–290 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.247

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.

72 other PDB entries and 89 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CONA_CANEN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 119–237; UniProt 164–290 Author chain B; PDBConstruct 119–237; UniProt 164–290

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 1apn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1apn
Deposition date deposition_date1995-07-28
Structure title titleTHE CRYSTALLOGRAPHIC STRUCTURE OF METAL-FREE CONCANAVALIN A AT 2.5 ANGSTROMS RESOLUTION
Keywords keywordsLECTIN; LECTIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.10
Radius of gyration Rg (electron density) rg_electron23.98
Forward intensity I(0) i038739900.00
Molecular weight molecular_weight48375.0 kDa
Excluded volume excluded_volume60675 ų
Envelope volume envelope_volume71391 ų
Hydration-shell volume shell_volume25292 ų
Envelope diameter envelope_diameter85.4
Shell Rg shell_rg30.76
Envelope Rg envelope_rg24.26
Shape Rg shape_rg23.94
Total Rg total_rg24.89
Total atoms total_atoms3421
Residues n_residues449
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 dmax82.9
Rg (real space) rg_real25.15
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real3.8740e+07
I(0) uncertainty (real space) i0_real_error5.6910e+05
Rg (reciprocal space) rg_reciprocal25.14
I(0) (reciprocal space) i0_reciprocal38740000.0000
Solution quality estimate total_estimate0.8828
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.3
Skewness Skewness skewness0.419
Kurtosis Kurtosis kurtosis-0.351
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7234000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.853; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.938; Smooth: 0.975

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_idd1apna_
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
Domain ID domain_idd1apnb_
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

CATH v4.4 (2 domains)

Domain ID domain_id1apnA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200
Domain ID domain_id1apnB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200

8. Citations (3)

9. Files and Curves (10)