SAXSdb — 9n2k

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

DNA mismatch repair protein MutL

Bacillus subtilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE-5'-DIPHOSPHATE × 2 MAGNESIUM ION × 2 SULFATE ION × 5 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MUTL_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–335； UniProt 1–333 Author chain B； PDBConstruct 3–335； UniProt 1–333

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	9n2k
Deposition date deposition_date	2025-01-29
Structure title title	N-terminal domain of Bacillus subtilis MutL bound to ADP
Keywords keywords	DNA repair, ATPase, Mismatch repair, 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.

9n2k__assembly_1__model_1

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

Download this curve (.dat)

9n2k__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9n2k__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.77 Å
Rg (electron density)	25.66 Å
Total Rg	26.48 Å
Atom count	10529
Residues	665
Excluded volume	92964 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9n2k__assembly_1__model_1`	dimeric （2）	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 (5)

Entity 1 Entity 1 polymer

Description description	DNA mismatch repair protein MutL
Molecular weight formula_weight	36943.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	11781

GAMAKVIQLSDELSNKIAAGEVVERPASVVKELVENAIDADSTVIEIDIEEAGLASIRVLDNGEGMENEDCKRAFRRHATSKIKDENDLFRVRTLGFRGEALPSIASVSHLEITTSTGEGAGTKLVLQGGNIISESRSSSRKGTEIVVSNLFFNTPARLKYMKTVHTELGNITDVVNRIALAHPEVSIRLRHHGKNLLQTNGNGDVRHVLAAIYGTAVAKKMLPLHVSSLDFEVKGYIALPEITRASRNYMSSVVNGRYIKNFPLVKAVHEGYHTLLPIGRHPITFIEITMDPILVDVNVHPSKLEVRLSKETELHDLIRDGIKDVFKQQQLIPS

Source Source

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	865

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Unit-cell length a length_a	56.720 Å
Unit-cell length b length_b	110.980 Å
Unit-cell length c length_c	57.410 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	94.47 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.360 Å
Low-resolution limit resolution_low	56.550 Å
R factor r_factor	0.1761
R_work r_work	0.1759
R_free r_free	0.1956

N-terminal domain of Bacillus subtilis MutL bound to ADP

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

DNA mismatch repair protein MutL

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

9n2k__assembly_1__model_1

9n2k__assembly_1__model_1 | I(q)

9n2k__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

7. Citations (1)

N-terminal domain of Bacillus subtilis MutL bound to ADP

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

DNA mismatch repair protein MutL

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

9n2k__assembly_1__model_1

9n2k__assembly_1__model_1 | I(q)

9n2k__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

7. Citations (1)