SAXSdb — 4a9z

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

TUMOR PROTEIN 63

HOMO SAPIENS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P63_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–61； UniProt 397–455 Author chain B； PDBConstruct 3–61； UniProt 397–455 Author chain C； PDBConstruct 3–61； UniProt 397–455 Author chain D； PDBConstruct 3–61； UniProt 397–455

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	4a9z
Deposition date deposition_date	2011-11-30
Structure title title	CRYSTAL STRUCTURE OF HUMAN P63 TETRAMERIZATION DOMAIN
Keywords keywords	TRANSCRIPTION; TRANSCRIPTION
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.

4a9z__assembly_1__model_1

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

Download this curve (.dat)

4a9z__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4a9z__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.92 Å
Rg (electron density)	17.54 Å
Total Rg	18.31 Å
Atom count	1632
Residues	194
Excluded volume	29181 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4a9z__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 (3)

Entity 1 Entity 1 polymer

Description description	TUMOR PROTEIN 63
Molecular weight formula_weight	7380.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	1700

GSDDELLYLPVRGRETYEMLLKIKESLELMQYLPQHTIETYRQQQQQQHQHLLQKQTSIQS

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 non-polymer

Description description	2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL
Molecular weight formula_weight	354.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	45

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d4a9za_
Class class	a — All alpha proteins
Fold Fold fold	a.53 — p53 tetramerization domain
Superfamily Superfamily superfamily	a.53.1 — p53 tetramerization domain
Family Family family	a.53.1.0 — automated matches

Domain ID domain_id	d4a9zb_
Class class	a — All alpha proteins
Fold Fold fold	a.53 — p53 tetramerization domain
Superfamily Superfamily superfamily	a.53.1 — p53 tetramerization domain
Family Family family	a.53.1.0 — automated matches

Domain ID domain_id	d4a9zd_
Class class	a — All alpha proteins
Fold Fold fold	a.53 — p53 tetramerization domain
Superfamily Superfamily superfamily	a.53.1 — p53 tetramerization domain
Family Family family	a.53.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	4a9zA00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	170 — p53, subunit A
Homologous superfamily homologous superfamily	10 — p53-like tetramerisation domain

Domain ID domain_id	4a9zB00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	170 — p53, subunit A
Homologous superfamily homologous superfamily	10 — p53-like tetramerisation domain

Domain ID domain_id	4a9zC00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	170 — p53, subunit A
Homologous superfamily homologous superfamily	10 — p53-like tetramerisation domain

Domain ID domain_id	4a9zD00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	170 — p53, subunit A
Homologous superfamily homologous superfamily	10 — p53-like tetramerisation domain

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Unit-cell length a length_a	80.850 Å
Unit-cell length b length_b	80.850 Å
Unit-cell length c length_c	68.370 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	24

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.290 Å
Low-resolution limit resolution_low	48.920 Å
R factor r_factor	0.1967
R_work r_work	0.1944
R_free r_free	0.2459

CRYSTAL STRUCTURE OF HUMAN P63 TETRAMERIZATION DOMAIN

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

TUMOR PROTEIN 63

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

4a9z__assembly_1__model_1

4a9z__assembly_1__model_1 | I(q)

4a9z__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 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF HUMAN P63 TETRAMERIZATION DOMAIN

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

TUMOR PROTEIN 63

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

4a9z__assembly_1__model_1

4a9z__assembly_1__model_1 | I(q)

4a9z__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 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (1)