SAXSdb — 2nz7

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

Caspase recruitment domain-containing protein 4

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	CARD4_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–98； UniProt 9–106 Author chain B； PDBConstruct 1–98； UniProt 9–106

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	2nz7
Deposition date deposition_date	2006-11-22
Structure title title	Crystal Structure Analysis of Caspase-recruitment Domain (CARD) of Nod1
Keywords keywords	Helix swapped; Disulfide bond, Apoptosis; APOPTOSIS
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.

2nz7__assembly_1__model_1

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

Download this curve (.dat)

2nz7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2nz7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.46 Å
Rg (electron density)	18.51 Å
Total Rg	19.51 Å
Atom count	1554
Residues	191
Excluded volume	27824 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2nz7__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

CATH v4.4 (2 domains)

Domain ID domain_id	2nz7A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	533 — Death Domain, Fas
Homologous superfamily homologous superfamily	10 — Death Domain, Fas

Domain ID domain_id	2nz7B00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	533 — Death Domain, Fas
Homologous superfamily homologous superfamily	10 — Death Domain, Fas

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Unit-cell length a length_a	79.091 Å
Unit-cell length b length_b	79.091 Å
Unit-cell length c length_c	80.863 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 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	35.530 Å
R factor r_factor	0.2220
R_work r_work	0.2200
R_free r_free	0.2660

Description description	Caspase recruitment domain-containing protein 4
Molecular weight formula_weight	11365.0 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	1622

Crystal Structure Analysis of Caspase-recruitment Domain (CARD) of Nod1

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

Caspase recruitment domain-containing protein 4

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

2nz7__assembly_1__model_1

2nz7__assembly_1__model_1 | I(q)

2nz7__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

CATH v4.4 (2 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	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	68

Crystal Structure Analysis of Caspase-recruitment Domain (CARD) of Nod1

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

Caspase recruitment domain-containing protein 4

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

2nz7__assembly_1__model_1

2nz7__assembly_1__model_1 | I(q)

2nz7__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

CATH v4.4 (2 domains)

7. Citations (1)