SAXSdb — 3exw

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

L5 fiber protein

Human adenovirus 7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5EY45_ADE07
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–213； UniProt 117–325 Author chain B； PDBConstruct 5–213； UniProt 117–325 Author chain C； PDBConstruct 5–213； UniProt 117–325

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	3exw
Deposition date deposition_date	2008-10-17
Structure title title	Crystal structure of the human Adenovirus type 7 fiber knob
Keywords keywords	adenovirus, trimer, fiber knob, ad7, ads, VIRAL PROTEIN; VIRAL PROTEIN
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.

3exw__assembly_1__model_1

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

Download this curve (.dat)

3exw__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3exw__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.84 Å
Rg (electron density)	23.21 Å
Total Rg	24.23 Å
Atom count	4614
Residues	594
Excluded volume	81718 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3exw__assembly_1__model_1`	trimeric （3）	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 (3 domains)

Domain ID domain_id	d3exwa_
Class class	b — All beta proteins
Fold Fold fold	b.21 — Virus attachment protein globular domain
Superfamily Superfamily superfamily	b.21.1 — Virus attachment protein globular domain
Family Family family	b.21.1.1 — Adenovirus fiber protein 'knob' domain

Domain ID domain_id	d3exwb_
Class class	b — All beta proteins
Fold Fold fold	b.21 — Virus attachment protein globular domain
Superfamily Superfamily superfamily	b.21.1 — Virus attachment protein globular domain
Family Family family	b.21.1.1 — Adenovirus fiber protein 'knob' domain

Domain ID domain_id	d3exwc_
Class class	b — All beta proteins
Fold Fold fold	b.21 — Virus attachment protein globular domain
Superfamily Superfamily superfamily	b.21.1 — Virus attachment protein globular domain
Family Family family	b.21.1.1 — Adenovirus fiber protein 'knob' domain

CATH v4.4 (3 domains)

Domain ID domain_id	3exwA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily	10 — Adenovirus pIV-related, attachment domain

Domain ID domain_id	3exwB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily	10 — Adenovirus pIV-related, attachment domain

Domain ID domain_id	3exwC00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily	10 — Adenovirus pIV-related, attachment domain

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Unit-cell length a length_a	83.310 Å
Unit-cell length b length_b	88.050 Å
Unit-cell length c length_c	79.170 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	12

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	36.110 Å
R factor r_factor	0.1957
R_work r_work	0.1919
R_free r_free	0.2300

Description description	L5 fiber protein
Molecular weight formula_weight	23489.2 kDa
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	5128

Crystal structure of the human Adenovirus type 7 fiber knob

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

L5 fiber 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

3exw__assembly_1__model_1

3exw__assembly_1__model_1 | I(q)

3exw__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) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Source organism organism	Human adenovirus 7
NCBI taxonomy ID ncbi_taxonomy_id	10519
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	492

Crystal structure of the human Adenovirus type 7 fiber knob

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

L5 fiber 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

3exw__assembly_1__model_1

3exw__assembly_1__model_1 | I(q)

3exw__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) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)