SAXSdb — 9ug4

▼

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

Galectin-3

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	;(2~{R},3~{R},4~{S},5~{R},6~{R})-2-[[3-[bis(oxidanyl)amino]phenyl]methoxy-methyl-amino]-6-(hydroxymethyl)-4-[5-[3,4,5-tris(fluoranyl)phenyl]-1,2-dihydro-1,2,3-triazol-3-yl]oxane-3,5-diol ; × 1 SULFATE ION × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LEG3_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–136； UniProt 118–250

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	9ug4
Deposition date deposition_date	2025-04-11
Last revision last_revision	2026-04-15
Structure title title	Crystal structure of human galectin-3 in complex with N-galactoside 5
Keywords keywords	Carbohydrate recognition domain, SUGAR BINDING PROTEIN; SUGAR BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

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.

9ug4__assembly_1__model_1

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

Download this curve (.dat)

9ug4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9ug4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.53 Å
Rg (electron density)	14.06 Å
Total Rg	15.35 Å
Atom count	1107
Residues	133
Excluded volume	19496 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9ug4__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Galectin-3
Molecular weight formula_weight	15392.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1300

GPGYNLPLPGGVVPRMLITILGTVKPNANRIALDFQRGNDVAFHFNPRFNENNRRVIVCNTKLDNNWGREERQSVFPFESGKPFKIQVLVEPDHFKVAVNDAHLLQYNHRVKKLNEISKLGISGDIDLTSASYTMI

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	;(2~{R},3~{R},4~{S},5~{R},6~{R})-2-[[3-[bis(oxidanyl)amino]phenyl]methoxy-methyl-amino]-6-(hydroxymethyl)-4-[5-[3,4,5-tris(fluoranyl)phenyl]-1,2-dihydro-1,2,3-triazol-3-yl]oxane-3,5-diol ;
Molecular weight formula_weight	529.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	193

▶

Unit-cell length a length_a	74.191 Å
Unit-cell length b length_b	74.191 Å
Unit-cell length c length_c	51.271 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	8

Space group space_group	I 4
Space-group number int_tables_number	79
Crystal system crystal_system	tetragonal

Resolution resolution	1.050 Å
Low-resolution limit resolution_low	37.100 Å
R factor r_factor	0.1700
R_work r_work	0.1696
R_free r_free	0.1770

Crystal structure of human galectin-3 in complex with N-galactoside 5

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

Galectin-3

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

9ug4__assembly_1__model_1

9ug4__assembly_1__model_1 | I(q)

9ug4__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 (4)

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 water

7. Citations (1)

Crystal structure of human galectin-3 in complex with N-galactoside 5

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

Galectin-3

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

9ug4__assembly_1__model_1

9ug4__assembly_1__model_1 | I(q)

9ug4__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 (4)

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 water

7. Citations (1)