SAXSdb — 6dfd

▼

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

Metal transporter CNNM3

Homo sapiens

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CNNM3_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–260； UniProt 453–707 Author chain B； PDBConstruct 6–260； UniProt 453–707

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	6dfd
Deposition date deposition_date	2018-05-14
Structure title title	Crystal structure of CNNM3 cyclic nucleotide-binding homology domain
Keywords keywords	beta-barrel fold, cyclic nucleotide-binding homology domain, magnesium transporter, METAL TRANSPORT; METAL TRANSPORT
Experimental Method method	X-RAY DIFFRACTION

▼

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.

6dfd__assembly_1__model_1

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

Download this curve (.dat)

6dfd__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6dfd__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.55 Å
Rg (electron density)	20.55 Å
Total Rg	21.74 Å
Atom count	4170
Residues	255
Excluded volume	37454 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6dfd__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▶

Unit-cell length a length_a	101.267 Å
Unit-cell length b length_b	101.267 Å
Unit-cell length c length_c	77.120 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	16

Space group space_group	P 42 21 2
Space-group number int_tables_number	94
Crystal system crystal_system	—

Resolution resolution	1.901 Å
Low-resolution limit resolution_low	32.474 Å
R factor r_factor	0.2205
R_work r_work	0.2194
R_free r_free	0.2387

Description description	Metal transporter CNNM3
Molecular weight formula_weight	29401.3 kDa
Mutation mutation	I516M, T591M, A623M, L651M, V669M, I670M
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	4240

Crystal structure of CNNM3 cyclic nucleotide-binding homology domain

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

Metal transporter CNNM3

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

6dfd__assembly_1__model_1

6dfd__assembly_1__model_1 | I(q)

6dfd__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	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
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	70

Crystal structure of CNNM3 cyclic nucleotide-binding homology domain

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

Metal transporter CNNM3

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

6dfd__assembly_1__model_1

6dfd__assembly_1__model_1 | I(q)

6dfd__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)