SAXSdb — 1cja

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

PROTEIN (ACTIN-FRAGMIN KINASE)

Physarum polycephalum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	ADENOSINE MONOPHOSPHATE × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q94706_PHYPO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–342； UniProt 2–343 Author chain B； PDBConstruct 1–342； UniProt 2–343

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	1cja
Deposition date deposition_date	1999-04-08
Structure title title	ACTIN-FRAGMIN KINASE, CATALYTIC DOMAIN FROM PHYSARUM POLYCEPHALUM
Keywords keywords	KINASE, ACTIN, 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.

1cja__assembly_1__model_1

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

Download this curve (.dat)

1cja__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1cja__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.22 Å
Rg (electron density)	20.04 Å
Total Rg	20.85 Å
Atom count	3143
Residues	327
Excluded volume	45907 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1cja__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1cja__assembly_2__model_1`	monomeric （1）	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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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1cjaa_
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.144.1.3 — Actin-fragmin kinase, catalytic domain

Domain ID domain_id	d1cjab_
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.144.1.3 — Actin-fragmin kinase, catalytic domain

CATH v4.4 (4 domains)

Domain ID domain_id	1cjaA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1010 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 4
Homologous superfamily homologous superfamily	10 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 4

Domain ID domain_id	1cjaA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1070 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, Domain 5
Homologous superfamily homologous superfamily	11 — Phosphatidylinositol 3-/4-kinase, catalytic domain

Domain ID domain_id	1cjaB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1010 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 4
Homologous superfamily homologous superfamily	10 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 4

Domain ID domain_id	1cjaB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1070 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, Domain 5
Homologous superfamily homologous superfamily	11 — Phosphatidylinositol 3-/4-kinase, catalytic domain

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Unit-cell length a length_a	178.900 Å
Unit-cell length b length_b	178.900 Å
Unit-cell length c length_c	59.300 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	—
R_work r_work	0.1980
R_free r_free	0.2720

Description description	PROTEIN (ACTIN-FRAGMIN KINASE)
Molecular weight formula_weight	38099.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6286

ACTIN-FRAGMIN KINASE, CATALYTIC DOMAIN FROM PHYSARUM POLYCEPHALUM

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

PROTEIN (ACTIN-FRAGMIN KINASE)

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

1cja__assembly_1__model_1

1cja__assembly_1__model_1 | I(q)

1cja__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

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Physarum polycephalum
NCBI taxonomy ID ncbi_taxonomy_id	5791
Host organism host_organism	Escherichia coli

Description description	ADENOSINE MONOPHOSPHATE
Molecular weight formula_weight	347.2 kDa
Source method src_method	syn
Copy count entity_count	2

ACTIN-FRAGMIN KINASE, CATALYTIC DOMAIN FROM PHYSARUM POLYCEPHALUM

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

PROTEIN (ACTIN-FRAGMIN KINASE)

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

1cja__assembly_1__model_1

1cja__assembly_1__model_1 | I(q)

1cja__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

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)