SAXSdb — 8bvj

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

RNA-binding protein Hfq

Pseudomonas aeruginosa

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 1	Catabolite repression control protein × 4 （Q51380） estA mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HFQ_PSEA7
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain D； PDBConstruct 1–82； UniProt 1–82 Author chain E； PDBConstruct 1–82； UniProt 1–82 Author chain F； PDBConstruct 1–82； UniProt 1–82 Author chain I； PDBConstruct 1–82； UniProt 1–82 Author chain J； PDBConstruct 1–82； UniProt 1–82 Author chain K； PDBConstruct 1–82； UniProt 1–82 Author chain L； PDBConstruct 1–82； UniProt 1–82 Author chain M； PDBConstruct 1–82； UniProt 1–82 Author chain N； PDBConstruct 1–82； UniProt 1–82 Author chain P； PDBConstruct 1–82； UniProt 1–82 Author chain R； PDBConstruct 1–82； UniProt 1–82 Author chain S； PDBConstruct 1–82； UniProt 1–82 Author chain T； PDBConstruct 1–82； UniProt 1–82 Author chain U； PDBConstruct 1–82； UniProt 1–82 Author chain V； PDBConstruct 1–82； UniProt 1–82 Author chain W； PDBConstruct 1–82； UniProt 1–82 Author chain X； PDBConstruct 1–82； UniProt 1–82 Author chain Y； PDBConstruct 1–82； UniProt 1–82

Catabolite repression control protein

Pseudomonas aeruginosa

UniProt Q51380

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 22 RNA 1	RNA-binding protein Hfq × 18 （A6VD57） estA mRNA × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q51380_PSEAI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 4–262； UniProt 1–259 Author chain C； PDBConstruct 4–262； UniProt 1–259 Author chain G； PDBConstruct 4–262； UniProt 1–259 Author chain Q； PDBConstruct 4–262； UniProt 1–259

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	8bvj
Deposition date deposition_date	2022-12-04
Structure title title	Hfq-Crc-estA translation repression complex
Keywords keywords	;co-transcriptional RNA folding; Crc; metabolic regulation; ribonucleoprotein assembly; RNA chaperone Hfq; translational regulation, RNA BINDING PROTEIN ;; RNA BINDING 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.

8bvj__assembly_1__model_1

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

Download this curve (.dat)

8bvj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8bvj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	45.56 Å
Rg (electron density)	45.26 Å
Total Rg	45.46 Å
Atom count	38127
Residues	2293
Excluded volume	340330 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8bvj__assembly_1__model_1`	23-meric （23）	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 (3)

Entity 1 Entity 1 polymer

Description description	RNA-binding protein Hfq
Molecular weight formula_weight	9114.5 kDa
Source method src_method	man
Copy count entity_count	18

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R,T,J,L,N,P,X,Y,S,U,V,W,K,M,D,E,F,I
Atom count atom_count	38183

MSKGHSLQDPYLNTLRKERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPSRPVRLPSGDQPAEPGNA

Source Source

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	287
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Catabolite repression control protein
Molecular weight formula_weight	30101.9 kDa
EC 编号 ec_number	3.1.11.2
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q,G,C,A

GPAMRIISVNVNGIQAAAERGLLSWLQAQNADVICLQDTRASAFDLDDPSFQLDGYFLYACDAELPEQGGVALYSRLQPKAVISGLGFETADRYGRYLQADFDKVSIATLLLPSGQSGDESLNQKFKFMDDFTHYLSKQRRKRREYIYCGSLYVAHQKMDVKNWRECQQMPGFLAPERAWLDEVFGNLGYADALREVSREGDQFSWWPDSEQAEMLNLGWRFDYQVLTPGLRRFVRNAKLPRQPRFSQHAPLIVDYDWQLSI

Source Source

Source organism organism	Pseudomonas aeruginosa
NCBI taxonomy ID ncbi_taxonomy_id	287
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	estA mRNA
Molecular weight formula_weight	37997.8 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	B

GCUGAGGAGGCUUUACGACGGGCCCCGAGGCGCAUGCCGACGACACGGCGGCCCGACAAUAAAAACAAAUCAUGGAGUAAGAGAAUGAUCAGAAUGGCGCUCAAGCCACUGGUAGCG

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

Resolution resolution	4.50 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	46800

Hfq-Crc-estA translation repression complex

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

RNA-binding protein Hfq

State in the Current Structure

Other States of the Same Protein in the Database

Catabolite repression control 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

8bvj__assembly_1__model_1

8bvj__assembly_1__model_1 | I(q)

8bvj__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

7. Citations (1)

Hfq-Crc-estA translation repression complex

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

RNA-binding protein Hfq

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Catabolite repression control 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

8bvj__assembly_1__model_1

8bvj__assembly_1__model_1 | I(q)

8bvj__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

7. Citations (1)