SAXSdb — 8bjs

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

Kinesin-like protein KIF20A

Mus musculus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	UNK-UNK-UNK-UNK × 1 SULFATE ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KI20A_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–460； UniProt 55–513

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	8bjs
Deposition date deposition_date	2022-11-06
Structure title title	Apo KIF20A[55-510] crystal structure
Keywords keywords	Kinesin 6, motor domain, ATPase, mitosis, cytokinesis, Golgi, microtubule, MOTOR PROTEIN; MOTOR 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.

8bjs__assembly_1__model_1

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

Download this curve (.dat)

8bjs__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8bjs__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.50 Å
Rg (electron density)	21.31 Å
Total Rg	22.29 Å
Atom count	2746
Residues	347
Excluded volume	49234 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8bjs__assembly_1__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 (4)

Entity 1 Entity 1 polymer

Description description	Kinesin-like protein KIF20A
Molecular weight formula_weight	52450.3 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	2798

MALLEDTSEKVKVYLRIRPFLTSELDRQEDQGCVCIENTETLVLQAPKDSFALKSNERGVGQATHKFTFSQIFGPEVGQVAFFNLTMKEMVKDVLKGQNWLIYTYGVTNSGKTYTIQGTSKDAGILPQSLALIFNSLQGQLHPTPDLKPLLSNEVIWLDSKQIRQEEMKKLSLLIGGLQEEELSTSVKKRVHTESRIGASNSFDSGVAGLSSTSQFTSSSQLDETSQLWAQPDTVPVSVPADIRFSVWISFFEIYNELLYDLLEPPSHQHKRQTLRLCEDQNGNPYVKDLNWIHVRDVEEAWKLLKVGRKNQSFASTHMNQQSSRSHSIFSIRILHLQGEGDIVPKISELSLCDLAGSERCKHQKSGERLKEAGNINTSLHTLGRCIAALRQNQQNRSKQNLIPFRDSKLTRVFQGFFTGRGRSCMIVNVNPCASTYDETLHAAKFSALASQLVHAPLEHHHHHH

Source Source

Source organism organism	Mus musculus
Common name common_name	house mouse
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	UNK-UNK-UNK-UNK
Molecular weight formula_weight	358.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U

XXXX

Source Source

Source organism organism	Mus musculus
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	Escherichia coli

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	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	46

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Unit-cell length a length_a	132.438 Å
Unit-cell length b length_b	48.490 Å
Unit-cell length c length_c	85.836 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	124.41 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	2.730 Å
Low-resolution limit resolution_low	54.630 Å
R factor r_factor	0.2100
R_work r_work	0.2060
R_free r_free	0.2430

Apo KIF20A[55-510] crystal structure

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

Kinesin-like protein KIF20A

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

8bjs__assembly_1__model_1

8bjs__assembly_1__model_1 | I(q)

8bjs__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Apo KIF20A[55-510] crystal structure

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

Kinesin-like protein KIF20A

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

8bjs__assembly_1__model_1

8bjs__assembly_1__model_1 | I(q)

8bjs__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)