SAXSdb — 6csu

▼

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

Centrosomal protein of 152 kDa

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Centrosomal protein of 63 kDa × 2 （Q96MT8） water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CE152_HUMAN
Isoform	O94986-2
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 2–54； UniProt 1261–1313 Author chain D； PDBConstruct 2–54； UniProt 1261–1313

Centrosomal protein of 63 kDa

Homo sapiens

UniProt Q96MT8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 4	Centrosomal protein of 152 kDa × 2 （O94986） water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CEP63_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 5–44； UniProt 664–703 Author chain C； PDBConstruct 5–44； UniProt 664–703

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	6csu
Deposition date deposition_date	2018-03-21
Structure title title	The structure of the Cep63-Cep152 heterotetrameric complex
Keywords keywords	Centrosome, Hydrophobic, CELL CYCLE; CELL CYCLE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

6csu__assembly_1__model_1

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

Download this curve (.dat)

6csu__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6csu__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.49 Å
Rg (electron density)	22.38 Å
Total Rg	23.12 Å
Atom count	1489
Residues	179
Excluded volume	26519 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6csu__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Centrosomal protein of 152 kDa
Molecular weight formula_weight	6456.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D
Atom count atom_count	1504

MGALEELRGQYIKAVKKIKCDMLRYIQESKERAAEMVKAEVLRERQETARKMRK

Source Source

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

Entity 2 Entity 2 polymer

Description description	Centrosomal protein of 63 kDa
Molecular weight formula_weight	5331.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,A

ACLNTRFLEEEELRSHHILERLDAHIEELKRESEKTVRQFTALK

Source Source

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

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	15

▶

Unit-cell length a length_a	28.066 Å
Unit-cell length b length_b	41.523 Å
Unit-cell length c length_c	205.619 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	8

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

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	19.870 Å
R factor r_factor	0.2535
R_work r_work	0.2500
R_free r_free	0.2853

The structure of the Cep63-Cep152 heterotetrameric complex

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

Centrosomal protein of 152 kDa

State in the Current Structure

Other States of the Same Protein in the Database

Centrosomal protein of 63 kDa

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

6csu__assembly_1__model_1

6csu__assembly_1__model_1 | I(q)

6csu__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

7. Citations (1)

The structure of the Cep63-Cep152 heterotetrameric complex

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

Centrosomal protein of 152 kDa

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Centrosomal protein of 63 kDa

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

6csu__assembly_1__model_1

6csu__assembly_1__model_1 | I(q)

6csu__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

7. Citations (1)