SAXSdb — 6mn6

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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	No other associated polymer	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 6–365； UniProt 299–658 Author chain B； PDBConstruct 6–365； UniProt 299–658

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	6mn6
Deposition date deposition_date	2018-10-01
Structure title title	Crystal structure of the cytosolic domain of human CNNM3
Keywords keywords	;CNNM3, Mg2+ transporter, cystathionine-beta-synthase domain, cyclic nucleotide-binding homology domain, open conformation, MEMBRANE PROTEIN, METAL TRANSPORT ;; METAL TRANSPORT
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.

6mn6__assembly_1__model_1

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

Download this curve (.dat)

6mn6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6mn6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.53 Å
Rg (electron density)	28.38 Å
Total Rg	29.14 Å
Atom count	8950
Residues	590
Excluded volume	81499 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6mn6__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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	6mn6A01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

Domain ID domain_id	6mn6B01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	580 — CBS-domain
Homologous superfamily homologous superfamily	10 — CBS-domain

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Unit-cell length a length_a	128.063 Å
Unit-cell length b length_b	128.063 Å
Unit-cell length c length_c	111.316 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	3.360 Å
Low-resolution limit resolution_low	49.750 Å
R factor r_factor	—
R_work r_work	0.2170
R_free r_free	0.2630

Description description	Metal transporter CNNM3
Molecular weight formula_weight	41471.0 kDa
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	8950

Crystal structure of the cytosolic domain of human CNNM3

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

6mn6__assembly_1__model_1

6mn6__assembly_1__model_1 | I(q)

6mn6__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

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

Crystal structure of the cytosolic domain of human CNNM3

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

6mn6__assembly_1__model_1

6mn6__assembly_1__model_1 | I(q)

6mn6__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)