3bq4

Crystal Structure of Ad35 fiber knob

Method: X-RAY DIFFRACTION

▼

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

Fiber

Human adenovirus 35

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7T925_ADE35
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 18–220； UniProt 121–323 Author chain B； PDBConstruct 18–220； UniProt 121–323 Author chain D； PDBConstruct 18–220； UniProt 121–323 Author chain E； PDBConstruct 18–220； UniProt 121–323 Author chain F； PDBConstruct 18–220； UniProt 121–323 Author chain G； PDBConstruct 18–220； UniProt 121–323

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	3bq4
Deposition date deposition_date	2007-12-19
Structure title title	Crystal Structure of Ad35 fiber knob
Keywords keywords	Viral Protein, Fiber Knob, Trimer; VIRAL PROTEIN
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.

3bq4__assembly_1__model_1

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

Download this curve (.dat)

3bq4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3bq4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.87 Å
Rg (electron density)	23.23 Å
Total Rg	24.24 Å
Atom count	4488
Residues	576
Excluded volume	79680 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3bq4__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3bq4__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d3bq4a_
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.21.1.0 — automated matches

Domain ID domain_id	d3bq4b_
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.21.1.0 — automated matches

Domain ID domain_id	d3bq4d_
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.21.1.0 — automated matches

Domain ID domain_id	d3bq4e_
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.21.1.0 — automated matches

Domain ID domain_id	d3bq4f_
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.21.1.0 — automated matches

Domain ID domain_id	d3bq4g_
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.21.1.0 — automated matches

CATH v4.4 (6 domains)

Domain ID domain_id	3bq4A00
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	3bq4B00
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	3bq4D00
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	3bq4E00
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	3bq4F00
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	3bq4G00
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

▶

Unit-cell length a length_a	173.906 Å
Unit-cell length b length_b	173.906 Å
Unit-cell length c length_c	154.145 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	48

Space group space_group	I 4
Space-group number int_tables_number	79
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	46.030 Å
R factor r_factor	0.3320
R_work r_work	0.3320
R_free r_free	0.3520

Description description	Fiber
Molecular weight formula_weight	24144.8 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,D,E,F,G
Atom count atom_count	8976

Crystal Structure of Ad35 fiber knob

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

Fiber

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

3bq4__assembly_1__model_1

3bq4__assembly_1__model_1 | I(q)

3bq4__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	Human adenovirus 35
NCBI taxonomy ID ncbi_taxonomy_id	10522
Host organism host_organism	Escherichia coli

Crystal Structure of Ad35 fiber knob

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

Fiber

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

3bq4__assembly_1__model_1

3bq4__assembly_1__model_1 | I(q)

3bq4__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)