SAXSdb — 2z17

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

Pleckstrin homology Sec7 and coiled-coil domains-binding protein

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSCBP_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 8–104； UniProt 67–163

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	2z17
Deposition date deposition_date	2007-05-08
Structure title title	Crystal structure of PDZ domain from human Pleckstrin homology, Sec7
Keywords keywords	;PDZ domain, Coiled coil, Cytoplasm, Membrane, Polymorphism, PROTEIN BINDING, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI ;; PROTEIN BINDING
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.

2z17__assembly_1__model_1

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

Download this curve (.dat)

2z17__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2z17__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.13 Å
Rg (electron density)	18.08 Å
Total Rg	18.90 Å
Atom count	1468
Residues	188
Excluded volume	25899 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2z17__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2z17a_
Class class	b — All beta proteins
Fold Fold fold	b.36 — PDZ domain-like
Superfamily Superfamily superfamily	b.36.1 — PDZ domain-like
Family Family family	b.36.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id	2z17A00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	42 — Pdz3 Domain
Homologous superfamily homologous superfamily	10 — PDZ domain

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Unit-cell length a length_a	65.917 Å
Unit-cell length b length_b	65.917 Å
Unit-cell length c length_c	81.090 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 61 2 2
Space-group number int_tables_number	178
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	28.540 Å
R factor r_factor	0.2440
R_work r_work	0.2440
R_free r_free	0.3340

Description description	Pleckstrin homology Sec7 and coiled-coil domains-binding protein
Molecular weight formula_weight	11304.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	745

Crystal structure of PDZ domain from human Pleckstrin homology, Sec7

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

Pleckstrin homology Sec7 and coiled-coil domains-binding protein

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

2z17__assembly_1__model_1

2z17__assembly_1__model_1 | I(q)

2z17__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 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cell-free protein synthesis

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	11

Crystal structure of PDZ domain from human Pleckstrin homology, Sec7

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

Pleckstrin homology Sec7 and coiled-coil domains-binding protein

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

2z17__assembly_1__model_1

2z17__assembly_1__model_1 | I(q)

2z17__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 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)