SAXSdb — 8r3e

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

Maltodextrin-binding protein

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	ZINC ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4P1LXE0_SERSF
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–373； UniProt 3–372 Author chain B； PDBConstruct 4–373； UniProt 3–372 Author chain C； PDBConstruct 4–373； UniProt 3–372 Author chain D； PDBConstruct 4–373； UniProt 3–372 Author chain E； PDBConstruct 4–373； UniProt 3–372 Author chain F； PDBConstruct 4–373； UniProt 3–372

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	8r3e
Deposition date deposition_date	2023-11-08
Last revision last_revision	2024-09-18
Structure title title	Huntingtin, 1-17, MBP-N
Keywords keywords	HUNTINGTIN, N17, MALTOSE-BINDING PROTEIN FUSION, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

8r3e__assembly_1__model_1

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

Download this curve (.dat)

8r3e__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8r3e__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	45.53 Å
Rg (electron density)	44.83 Å
Total Rg	45.24 Å
Atom count	18255
Residues	2363
Excluded volume	326960 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8r3e__assembly_1__model_1`	hexameric （6）	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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Unit-cell length a length_a	96.043 Å
Unit-cell length b length_b	96.113 Å
Unit-cell length c length_c	97.673 Å
Unit-cell angle α angle_alpha	76.40 °
Unit-cell angle β angle_beta	80.72 °
Unit-cell angle γ angle_gamma	63.19 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.910 Å
Low-resolution limit resolution_low	45.790 Å
R factor r_factor	0.2559
R_work r_work	0.2520
R_free r_free	0.3292

Description description	Maltodextrin-binding protein
Molecular weight formula_weight	43694.6 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	18255

Huntingtin, 1-17, MBP-N

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

Maltodextrin-binding protein

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

8r3e__assembly_1__model_1

8r3e__assembly_1__model_1 | I(q)

8r3e__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

7. Citations (1)

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

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

Huntingtin, 1-17, MBP-N

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

Maltodextrin-binding protein

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

8r3e__assembly_1__model_1

8r3e__assembly_1__model_1 | I(q)

8r3e__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

7. Citations (1)