SAXSdb — 6xt6

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

Concanavalin-A

Canavalia ensiformis

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 × 8 ZINC ION × 4 1,2-ETHANEDIOL × 30 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CONA_CANEN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–261； UniProt 30–290 Author chain B； PDBConstruct 1–261； UniProt 30–290

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_id	6xt6
Deposition date deposition_date	2020-07-17
Structure title title	pro-concanavalin A: Precursor of circularly permuted concanavalin A
Keywords keywords	Lectin, Carbohydrate-binding, PLANT PROTEIN; PLANT PROTEIN
Experimental Method method	X-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.

6xt6__assembly_1__model_1

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

Download this curve (.dat)

6xt6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6xt6__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	30.60 Å
Rg (electron density)	29.17 Å
Total Rg	29.96 Å
Atom count	7490
Residues	964
Excluded volume	133220 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6xt6__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 (6)

Entity 1 Entity 1 polymer

Description description	Concanavalin-A
Molecular weight formula_weight	28242.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3845

STHETNALHFMFNQFSKDQKDLILQGDATTGTDGNLELTRVSSNGSPQGSSVGRALFYAPVHIWESSAVVASFEATFTFLIKSPDSHPADGIAFFISNIDSSIPSGSTGRLLGLFPDANVIRNSTTIDFNAAYNADTIVAVELDTYPNTDIGDPSYPHIGIDIKSVRSKKTAKWNMQNGKVGTAHIIYNSVDKRLSAVVSYPNADSATVSYDVDLDNVLPEWVRVGLSASTGLYKETNTILSWSFTSKLKSNEIPDIATVV

Source Source

Source organism organism	Canavalia ensiformis
Common name common_name	Jack bean
NCBI taxonomy ID ncbi_taxonomy_id	3823
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MANGANESE (II) ION
Molecular weight formula_weight	54.9 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	15

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	80

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d6xt6a_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.0 — automated matches

Domain ID domain_id	d6xt6b_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.0 — automated matches

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Unit-cell length a length_a	59.939 Å
Unit-cell length b length_b	90.420 Å
Unit-cell length c length_c	86.863 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.13 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	I 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.103 Å
Low-resolution limit resolution_low	48.885 Å
R factor r_factor	—
R_work r_work	0.1908
R_free r_free	0.2441

pro-concanavalin A: Precursor of circularly permuted concanavalin A

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

Concanavalin-A

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6xt6__assembly_1__model_1

6xt6__assembly_1__model_1 | I(q)

6xt6__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (2)

pro-concanavalin A: Precursor of circularly permuted concanavalin A

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

Concanavalin-A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6xt6__assembly_1__model_1

6xt6__assembly_1__model_1 | I(q)

6xt6__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (2)