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2cna

THE COVALENT AND THREE-DIMENSIONAL STRUCTURE OF CONCANAVALIN A, IV.ATOMIC COORDINATES,HYDROGEN BONDING,AND QUATERNARY STRUCTURE

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

CONCANAVALIN A

Canavalia ensiformis

UniProt P02866

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 MANGANESE (II) ION × 4 CALCIUM ION × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1jn2 1nxd 1nxd 1nxd 1nxd 5ygm 6h2m

7 assemblies

Homodimer
1nxd 1nxd 3enr 3nwk 3nwk 5z5l 5z5l 5z5p 5z5y 8wmg 9b34 9j1f

13 assemblies; showing the first 12

Homotetramer
1apn 1ces 1cjp 1cn1 1con 1dq6 1enq 1enr 1ens 1gic 1gkb 1jbc

52 assemblies; showing the first 12

Other homooligomers
6ahg

1 assemblies

Heteromeric or nucleic-acid complex
1bxh 1cvn 1i3h 1jw6 1jw6 1ona 1tei 1tei 1tei 3d4k 5wey 7mg5

17 assemblies; showing the first 12

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

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2cna
Deposition date deposition_date1975-04-01
Structure title titleTHE COVALENT AND THREE-DIMENSIONAL STRUCTURE OF CONCANAVALIN A, IV.ATOMIC COORDINATES,HYDROGEN BONDING,AND QUATERNARY STRUCTURE
Keywords keywordsLECTIN (AGGLUTININ); LECTIN (AGGLUTININ)
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2cna__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2cna__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2cna__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）29.73 Å
Rg (electron density)28.29 Å
Total Rg29.17 Å
Atom count7236
Residues948
Excluded volume127880 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2cna__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2cnaa_
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 (1 domains)

Domain ID domain_id2cnaA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200 —
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7. Citations (6)