SAXSdb — 1c3k

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

AGGLUTININ

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 8	water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9ZQY5_HELTU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–147； UniProt 1–147

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	1c3k
Deposition date deposition_date	1999-07-28
Structure title title	CRYSTAL STRUCTURE OF HELIANTHUS TUBEROSUS LECTIN
Keywords keywords	BETA PRISM, AGGLUTININ, JACALIN-RELATED, MANNOSE, 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.

1c3k__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1c3k__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1c3k__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	36.16 Å
Rg (electron density)	35.28 Å
Total Rg	35.90 Å
Atom count	8568
Residues	1144
Excluded volume	153060 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1c3k__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1c3k__assembly_2__model_1`	octameric （8）	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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1c3ka_
Class class	b — All beta proteins
Fold Fold fold	b.77 — beta-Prism I
Superfamily Superfamily superfamily	b.77.3 — Mannose-binding lectins
Family Family family	b.77.3.1 — Mannose-binding lectins

CATH v4.4 (1 domains)

Domain ID domain_id	1c3kA00
Class class	2 — Mainly Beta
Architecture architecture	100 — Aligned Prism
Topology topology	10 — Vitelline Membrane Outer Layer Protein I, subunit A
Homologous superfamily homologous superfamily	30 — Jacalin-like lectin domain

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Unit-cell length a length_a	104.927 Å
Unit-cell length b length_b	104.927 Å
Unit-cell length c length_c	63.751 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	16

Space group space_group	I 4 2 2
Space-group number int_tables_number	97
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2000
R_work r_work	0.2000
R_free r_free	0.2550

Description description	AGGLUTININ
Molecular weight formula_weight	15501.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1190

CRYSTAL STRUCTURE OF HELIANTHUS TUBEROSUS LECTIN

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

AGGLUTININ

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

1c3k__assembly_2__model_1

1c3k__assembly_2__model_1 | I(q)

1c3k__assembly_2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	118

CRYSTAL STRUCTURE OF HELIANTHUS TUBEROSUS LECTIN

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

AGGLUTININ

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

1c3k__assembly_2__model_1

1c3k__assembly_2__model_1 | I(q)

1c3k__assembly_2__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)