SAXSdb — 2dh1

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

Galactose-binding lectin

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LECG_ARAHY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–236； UniProt 24–259 Author chain B； PDBConstruct 1–236； UniProt 24–259 Author chain C； PDBConstruct 1–236； UniProt 24–259 Author chain D； PDBConstruct 1–236； UniProt 24–259

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	2dh1
Deposition date deposition_date	2006-03-17
Structure title title	Crystal structure of peanut lectin lactose-azobenzene-4,4'-dicarboxylic acid-lactose complex
Keywords keywords	LEGUME LECTIN, AGGLUTININ, CROSSLINK, OPEN QUATERNARY STRUCTURE, CARBOHYDRATE SPECIFICITY, MULTIVALENCY, SUGAR BINDING PROTEIN; SUGAR BINDING 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.

2dh1__assembly_1__model_1

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

Download this curve (.dat)

2dh1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2dh1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.98 Å
Rg (electron density)	23.00 Å
Total Rg	23.40 Å
Atom count	0
Residues	0
Excluded volume	60199 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2dh1__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2dh1__assembly_2__model_1`	dimeric （2）	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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2dh1a1
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.29.1.1 — Legume lectins

Domain ID domain_id	d2dh1b1
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.29.1.1 — Legume lectins

Domain ID domain_id	d2dh1c1
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.29.1.1 — Legume lectins

Domain ID domain_id	d2dh1d1
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.29.1.1 — Legume lectins

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7. Citations (6)

Multivalency in lectins - A crystallographic, modelling and light-scattering study involving peanut lectin and a bivalent ligand

Curr.Sci. (2006)

PMID: -1 PRIMARY

Structural plasticity of peanut lectin: an X-ray analysis involving variation in pH, ligand binding and crystal structure

ACTA CRYSTALLOGR.,SECT.D (2004)

PMID: 14747696 · DOI: 10.1107/S090744490302849X

;Photoswitchable multivalent sugar ligands: synthesis, isomerization, and lectin binding studies of azobenzene-glycopyranoside derivatives ;

J.Am.Chem.Soc. (2002)

PMID: 11878960 · DOI: 10.1021/ja0173066

The Specificity of Peanut Agglutinin for Thomsen-Friedenreich Antigen is Mediated by Water-Bridges

Curr.Sci. (1997)

;Conformation, protein-carbohydrate interactions and a novel subunit association in the refined structure of peanut lectin-lactose complex ;

J.Mol.Biol. (1996)

PMID: 8656429 · DOI: 10.1006/jmbi.1996.0319

Crystal structure of peanut lectin, a protein with an unusual quaternary structure

Proc.Natl.Acad.Sci.Usa (1994)

PMID: 8278370 · DOI: 10.1073/pnas.91.1.227

Unit-cell length a length_a	92.750 Å
Unit-cell length b length_b	92.750 Å
Unit-cell length c length_c	473.500 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	32

Space group space_group	I 41
Space-group number int_tables_number	80
Crystal system crystal_system	—

Resolution resolution	7.650 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.3556
R_work r_work	0.3546
R_free r_free	0.3772

Description description	Galactose-binding lectin
Molecular weight formula_weight	25209.0 kDa
Source method src_method	nat
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	928

Crystal structure of peanut lectin lactose-azobenzene-4,4'-dicarboxylic acid-lactose complex

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

Galactose-binding lectin

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

2dh1__assembly_1__model_1

2dh1__assembly_1__model_1 | I(q)

2dh1__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (6)

Crystal structure of peanut lectin lactose-azobenzene-4,4'-dicarboxylic acid-lactose complex

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

Galactose-binding lectin

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

2dh1__assembly_1__model_1

2dh1__assembly_1__model_1 | I(q)

2dh1__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (6)