SAXSdb — 7o42

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

TrwK protein,Protein hcp1

Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 6	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A8R751_SALDU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–823； UniProt 1–823 Author chain B； PDBConstruct 1–823； UniProt 1–823 Author chain C； PDBConstruct 1–823； UniProt 1–823 Author chain D； PDBConstruct 1–823； UniProt 1–823 Author chain E； PDBConstruct 1–823； UniProt 1–823 Author chain F； PDBConstruct 1–823； UniProt 1–823

TrwK protein,Protein hcp1

Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)

UniProt Q9I747

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 6	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HCP1_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 830–990； UniProt 2–162 Author chain B； PDBConstruct 830–990； UniProt 2–162 Author chain C； PDBConstruct 830–990； UniProt 2–162 Author chain D； PDBConstruct 830–990； UniProt 2–162 Author chain E； PDBConstruct 830–990； UniProt 2–162 Author chain F； PDBConstruct 830–990； UniProt 2–162

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	7o42
Deposition date deposition_date	2021-04-04
Structure title title	TrwK/VirB4unbound trimer of dimers complex (with Hcp1) from the R388 type IV secretion system determined by cryo-EM.
Keywords keywords	;type IV secretion system, type 4 secretion system, T4SS, inner membrane complex, inner membrane, R388 plasmid, conjugation, ATPase, bacterial secretion, secretion, secretion system, protein complex, VirB4, TrwK, Hcp, MEMBRANE PROTEIN ;; MEMBRANE PROTEIN
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.

7o42__assembly_1__model_1

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

Download this curve (.dat)

7o42__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7o42__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	62.86 Å
Rg (electron density)	62.03 Å
Total Rg	62.27 Å
Atom count	43053
Residues	5617
Excluded volume	763030 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7o42__assembly_1__model_1`	hexameric （6）	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)

Entity 1 Entity 1 polymer

Description description	TrwK protein,Protein hcp1
Molecular weight formula_weight	111487.8 kDa
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	43053

MGAIESRKLLASETPVGQFIPYSHHVTDTIISTKNAEYLSVWKIDGRSHQSASEADVFQWIRELNNTLRGISSANLSLWTHIVRRRVYEYPDAEFDNVFCRQLDEKYRESFTGYNLMVNDLYLTVVYRPVSDKVLSFFAKRERETPDQKKHRQESCIKALEDINRTLGQSFKRYGAELLSVYEKGGHAFSAPLEFLARLVNGEHIPMPICRDRFSDYMAVNRPMFSKWGEVGELRSLTGLRRFGMLEIREYDDATEPGQLNVLLESDYEFVLTHSFSVLSRPAAKEYLQRHQKNLIDARDVATDQIEEIDEALNQLISGHFVMGEHHCTLTVYGETVQQVRDNLAHASAAMLDVAVLPKPVDLALEAGYWAQLPANWQWRPRPAPITSLNFLSFSPFHNFMSGKPTGNPWGPAVTILKTVSGTPLYFNFHASKEEEDATDKRLLGNTMLIGQSSSGKTVLLGFLLAQAQKFKPTIVAFDKDRGMEISIRAMGGRYLPLKTGEPSGFNPFQLPPTHANLIFLKQFVKKLAAAGGEVTHRDEEEIDQAITAMMSDSIDKSLRRLSLLLQFLPNPRSDDMDARPTVHARLVKWCEGGDYGWLFDNPTDALDLSTHQIYGFDITEFLDNPEARTPVMMYLLYRTESMIDGRRFMYVFDEFWKPLQDEYFEDLAKNKQKTIRKQNGIFVFATQEPSDALESNIAKTLIQQCATYIFLANPKADYEDYTQGFKLTDSEFELVRGLGEFSRRFLIKQGDQSALAEMNLGKFRTIVDGETVERDFDDELLVLSGTPDNAEIAESIIAEVGDDPAVWLPIFLDRVKAERSDVGSGSGSAVDMFIKIGDVKGESKDKTHAEEIDVLAWSWGMSQSGSMHMGGGGGAGKVNVQDLSFTKYIDKSTPNLMMACSSGKHYPQAKLTIRKAGGENQVEYLIITLKEVLVSSVSTGGSGGEDRLTENVTLNFAQVQVDYQPQKADGAKDGGPVKYGWNIRQNVQA

Source Source

Source organism organism	Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
NCBI taxonomy ID ncbi_taxonomy_id	208964
Host organism host_organism	Escherichia coli

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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	—

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

Resolution resolution	4.10 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	214048

TrwK/VirB4unbound trimer of dimers complex (with Hcp1) from the R388 type IV secretion system determined by cryo-EM.

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

TrwK protein,Protein hcp1

State in the Current Structure

Other States of the Same Protein in the Database

TrwK protein,Protein hcp1

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

7o42__assembly_1__model_1

7o42__assembly_1__model_1 | I(q)

7o42__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

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)

TrwK/VirB4unbound trimer of dimers complex (with Hcp1) from the R388 type IV secretion system determined by cryo-EM.

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

TrwK protein,Protein hcp1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

TrwK protein,Protein hcp1

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

7o42__assembly_1__model_1

7o42__assembly_1__model_1 | I(q)

7o42__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

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)