3zbj

Fitting results in the I-layer of the subnanometer structure of the bacterial pKM101 type IV secretion system core complex digested with elastase

Method: ELECTRON MICROSCOPY

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

TRAO PROTEIN

ESCHERICHIA COLI

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 14	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q46704_ECOLX
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–112； UniProt 24–135 Author chain B； PDBConstruct 1–112； UniProt 24–135 Author chain C； PDBConstruct 1–112； UniProt 24–135 Author chain D； PDBConstruct 1–112； UniProt 24–135 Author chain E； PDBConstruct 1–112； UniProt 24–135 Author chain F； PDBConstruct 1–112； UniProt 24–135 Author chain G； PDBConstruct 1–112； UniProt 24–135 Author chain H； PDBConstruct 1–112； UniProt 24–135 Author chain I； PDBConstruct 1–112； UniProt 24–135 Author chain J； PDBConstruct 1–112； UniProt 24–135 Author chain K； PDBConstruct 1–112； UniProt 24–135 Author chain L； PDBConstruct 1–112； UniProt 24–135 Author chain M； PDBConstruct 1–112； UniProt 24–135 Author chain N； PDBConstruct 1–112； UniProt 24–135

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	3zbj
Deposition date deposition_date	2012-11-10
Structure title title	Fitting results in the I-layer of the subnanometer structure of the bacterial pKM101 type IV secretion system core complex digested with elastase
Keywords keywords	CELL ADHESION, BACTERIAL SECRETION; CELL ADHESION
Experimental Method method	ELECTRON MICROSCOPY

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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.

3zbj__assembly_1__model_1

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

Download this curve (.dat)

3zbj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3zbj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	60.10 Å
Rg (electron density)	59.58 Å
Total Rg	59.93 Å
Atom count	12404
Residues	1568
Excluded volume	220970 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3zbj__assembly_1__model_1`	tetradecameric （14）	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 (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

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

Resolution resolution	8.500 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	8.50 Å
Resolution测定Method resolution_method	COMMON LINES
颗粒数 num_particles	5430

Description description	TRAO PROTEIN
Molecular weight formula_weight	12563.2 kDa
Source method src_method	man
Copy count entity_count	14

Fitting results in the I-layer of the subnanometer structure of the bacterial pKM101 type IV secretion system core complex digested with elastase

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

TRAO 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

3zbj__assembly_1__model_1

3zbj__assembly_1__model_1 | I(q)

3zbj__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H,I,J,K,L,M,N
Atom count atom_count	12404

Source organism organism	ESCHERICHIA COLI
NCBI taxonomy ID ncbi_taxonomy_id	511693
Host organism host_organism	ESCHERICHIA COLI

Fitting results in the I-layer of the subnanometer structure of the bacterial pKM101 type IV secretion system core complex digested with elastase

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

TRAO 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

3zbj__assembly_1__model_1

3zbj__assembly_1__model_1 | I(q)

3zbj__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)