SAXSdb — 6ero

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

Dimethyladenosine transferase 2, mitochondrial,Dimethyladenosine transferase 2, mitochondrial

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CHLORIDE ION × 2 GLYCEROL × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TFB2M_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–207； UniProt 63–267 Author chain A； PDBConstruct 212–313； UniProt 295–396 Author chain B； PDBConstruct 3–207； UniProt 63–267 Author chain B； PDBConstruct 212–313； UniProt 295–396

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	6ero
Deposition date deposition_date	2017-10-18
Structure title title	Structure of human TFB2M
Keywords keywords	Mitochondria, Transcription, Initiation, Polymerase; TRANSCRIPTION
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.

6ero__assembly_1__model_1

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

Download this curve (.dat)

6ero__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6ero__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.27 Å
Rg (electron density)	21.05 Å
Total Rg	22.07 Å
Atom count	4812
Residues	296
Excluded volume	43131 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6ero__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6ero__assembly_2__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 (4)

Entity 1 Entity 1 polymer

Description description	Dimethyladenosine transferase 2, mitochondrial,Dimethyladenosine transferase 2, mitochondrial
Molecular weight formula_weight	35717.6 kDa
EC 编号 ec_number	2.1.1.-,2.1.1.-
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	9638

NAKASKASLDFKRYVTDRRLAETLAQIYLGKPSRPPHLLLECNPGPGILTQALLEAGAKVVALESDKTFIPHLESLGKNLDGKLRVIHCDFFKLDPRSGGVIKPPAMSSRGLFKNLGIEAVPWTADIPLKVVGMFPSRGEKRALWKLAYDLYSCTSIYKFGRIEVNMFIGEKEFQKLMADPGNPDLYHVLSVIWQLACEIKVLHMEPGSSGKLYLIQMIPRQNLFTKNLTPMNYNIFFHLLKHCFGRRSATVIDHLRSLTPLDARDILMQIGKQEDEKVVNMHPQDFKTLFETIERSKDCAYKWLYDETLEDR

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	297

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Unit-cell length a length_a	43.950 Å
Unit-cell length b length_b	165.650 Å
Unit-cell length c length_c	44.730 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	97.97 °
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	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	43.525 Å
R factor r_factor	0.1931
R_work r_work	0.1920
R_free r_free	0.2138

Structure of human TFB2M

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

Dimethyladenosine transferase 2, mitochondrial,Dimethyladenosine transferase 2, mitochondrial

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

6ero__assembly_1__model_1

6ero__assembly_1__model_1 | I(q)

6ero__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 (4)

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 water

7. Citations (1)

Structure of human TFB2M

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

Dimethyladenosine transferase 2, mitochondrial,Dimethyladenosine transferase 2, mitochondrial

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

6ero__assembly_1__model_1

6ero__assembly_1__model_1 | I(q)

6ero__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 (4)

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 water

7. Citations (1)