SAXSdb — 7s5u

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

Kinesin-like protein Klp61F

Drosophila melanogaster

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KL61_DROME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–240； UniProt 597–835 Author chain B； PDBConstruct 2–240； UniProt 597–835 Author chain C； PDBConstruct 2–240； UniProt 597–835 Author chain D； PDBConstruct 2–240； UniProt 597–835

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	7s5u
Deposition date deposition_date	2021-09-12
Structure title title	Extended bipolar assembly domain of kinesin-5 minifilament
Keywords keywords	Kinesin-5, Bipolar assembly, four-helical-bundle, CELL CYCLE; CELL CYCLE
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.

7s5u__assembly_1__model_1

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

Download this curve (.dat)

7s5u__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7s5u__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	77.15 Å
Rg (electron density)	80.66 Å
Total Rg	79.02 Å
Atom count	5023
Residues	702
Excluded volume	86931 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7s5u__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 (1)

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Unit-cell length a length_a	253.180 Å
Unit-cell length b length_b	84.890 Å
Unit-cell length c length_c	96.770 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.44 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

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

Resolution resolution	4.410 Å
Low-resolution limit resolution_low	96.735 Å
R factor r_factor	0.2767
R_work r_work	0.2741
R_free r_free	0.3097

Description description	Kinesin-like protein Klp61F
Molecular weight formula_weight	28433.2 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,D,C
Atom count atom_count	5023

Extended bipolar assembly domain of kinesin-5 minifilament

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

Kinesin-like protein Klp61F

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

7s5u__assembly_1__model_1

7s5u__assembly_1__model_1 | I(q)

7s5u__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

Source Source

7. Citations (1)

Source organism organism	Drosophila melanogaster
Common name common_name	Fruit fly
NCBI taxonomy ID ncbi_taxonomy_id	7227
Host organism host_organism	Escherichia coli BL21(DE3)

Extended bipolar assembly domain of kinesin-5 minifilament

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

Kinesin-like protein Klp61F

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

7s5u__assembly_1__model_1

7s5u__assembly_1__model_1 | I(q)

7s5u__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

Source Source

7. Citations (1)