SAXSdb — 9g51

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

Transcriptional regulator, PadR-like family

Lactococcus cremoris subsp. cremoris MG1363

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A2RI36_LACLM
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–116； UniProt 1–116 Author chain B； PDBConstruct 1–116； UniProt 1–116

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	9g51
Deposition date deposition_date	2024-07-16
Structure title title	Crystal structure of LmrR with V15 replaced by unnatural amino acid 4-mercaptophenylalanine, apo
Keywords keywords	Artificial metalloenzyme, unnatural amino acid, 4-mercaptophenylalanine, PadR-fold, METAL BINDING PROTEIN; METAL 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.

9g51__assembly_1__model_1

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

Download this curve (.dat)

9g51__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9g51__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.40 Å
Rg (electron density)	20.62 Å
Total Rg	21.31 Å
Atom count	1769
Residues	212
Excluded volume	31538 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9g51__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 (2)

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Unit-cell length a length_a	102.908 Å
Unit-cell length b length_b	34.988 Å
Unit-cell length c length_c	68.116 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	97.18 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.350 Å
Low-resolution limit resolution_low	67.580 Å
R factor r_factor	0.2194
R_work r_work	0.2171
R_free r_free	0.2624

Description description	Transcriptional regulator, PadR-like family
Molecular weight formula_weight	14844.9 kDa
Mutation mutation	V14 replaced with 4-mercaptophenylalanine
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1782

Crystal structure of LmrR with V15 replaced by unnatural amino acid 4-mercaptophenylalanine, apo

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

Transcriptional regulator, PadR-like family

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

9g51__assembly_1__model_1

9g51__assembly_1__model_1 | I(q)

9g51__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	Lactococcus cremoris subsp. cremoris MG1363
NCBI taxonomy ID ncbi_taxonomy_id	416870
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	1

Crystal structure of LmrR with V15 replaced by unnatural amino acid 4-mercaptophenylalanine, apo

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

Transcriptional regulator, PadR-like family

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

9g51__assembly_1__model_1

9g51__assembly_1__model_1 | I(q)

9g51__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)