SAXSdb — 2b9j

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

Mitogen-activated protein kinase FUS3

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Cyclin-dependent kinase inhibitor FAR1 × 1 MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FUS3_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–353； UniProt 1–353

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	2b9j
Deposition date deposition_date	2005-10-11
Structure title title	Crystal structure of Fus3 with a docking motif from Far1
Keywords keywords	TRANSFERASE; TRANSFERASE
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.

2b9j__assembly_1__model_1

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

Download this curve (.dat)

2b9j__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2b9j__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.99 Å
Rg (electron density)	20.98 Å
Total Rg	21.83 Å
Atom count	2829
Residues	348
Excluded volume	50761 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2b9j__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 (5)

Entity 1 Entity 1 polymer

Description description	Mitogen-activated protein kinase FUS3
Molecular weight formula_weight	40809.0 kDa
EC 编号 ec_number	2.7.1.37
Mutation mutation	T180V, Y182F
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	3093

MPKRIVYNISSDFQLKSLLGEGAYGVVCSATHKPTGEIVAIKKIEPFDKPLFALRTLREIKILKHFKHENIITIFNIQRPDSFENFNEVYIIQELMQTDLHRVISTQMLSDDHIQYFIYQTLRAVKVLHGSNVIHRDLKPSNLLINSNCDLKVCDFGLARIIDESAADNSEPTGQQSGMVEFVATRWYRAPEVMLTSAKYSRAMDVWSCGCILAELFLRRPIFPGRDYRHQLLLIFGIIGTPHSDNDLRCIESPRAREYIKSLPMYPAAPLEKMFPRVNPKGIDLLQRMLVFDPAKRITAKEALEHPYLQTYHDPNDEPEGEPIPPSFFEFDHYKEALTTKDLKKLIWNEIFS

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Cyclin-dependent kinase inhibitor FAR1
Molecular weight formula_weight	1426.7 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

SKRGNIPKPLNLS

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	264

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2b9ja_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamily	d.144.1 — Protein kinase-like (PK-like)
Family Family family	d.144.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	2b9jA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily	20 — Phosphorylase Kinase; domain 1

Domain ID domain_id	2b9jA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily	10 — Transferase(Phosphotransferase) domain 1

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Unit-cell length a length_a	58.298 Å
Unit-cell length b length_b	63.237 Å
Unit-cell length c length_c	100.847 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	4

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.1960
R_free r_free	0.2630

Crystal structure of Fus3 with a docking motif from Far1

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

Mitogen-activated protein kinase FUS3

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

2b9j__assembly_1__model_1

2b9j__assembly_1__model_1 | I(q)

2b9j__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of Fus3 with a docking motif from Far1

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

Mitogen-activated protein kinase FUS3

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

2b9j__assembly_1__model_1

2b9j__assembly_1__model_1 | I(q)

2b9j__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)