SAXSdb — 6h2x

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

Chromosome partition protein MukB,Chromosome partition protein MukB

Escherichia coli (strain K12)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MUKB_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–194； UniProt 333–526 Author chain A； PDBConstruct 199–359； UniProt 893–1053

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	6h2x
Deposition date deposition_date	2018-07-16
Structure title title	MukB coiled-coil elbow from E. coli
Keywords keywords	chromosome organization, chromosome segregation, coiled coil, DNA BINDING PROTEIN; DNA BINDING 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.

6h2x__assembly_1__model_1

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

Download this curve (.dat)

6h2x__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6h2x__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	61.11 Å
Rg (electron density)	63.91 Å
Total Rg	63.05 Å
Atom count	5607
Residues	346
Excluded volume	49669 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6h2x__assembly_1__model_1`	monomeric （1）	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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Unit-cell length a length_a	81.122 Å
Unit-cell length b length_b	35.036 Å
Unit-cell length c length_c	81.713 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.60 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	40.481 Å
R factor r_factor	0.2458
R_work r_work	0.2434
R_free r_free	0.2968

Description description	Chromosome partition protein MukB,Chromosome partition protein MukB
Molecular weight formula_weight	42356.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	5611

MukB coiled-coil elbow from E. coli

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

Chromosome partition protein MukB,Chromosome partition protein MukB

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

6h2x__assembly_1__model_1

6h2x__assembly_1__model_1 | I(q)

6h2x__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

7. Citations (1)

Source organism organism	Escherichia coli (strain K12)
NCBI taxonomy ID ncbi_taxonomy_id	83333
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	4

MukB coiled-coil elbow from E. coli

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

Chromosome partition protein MukB,Chromosome partition protein MukB

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

6h2x__assembly_1__model_1

6h2x__assembly_1__model_1 | I(q)

6h2x__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

7. Citations (1)