SAXSdb — 2wd5

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

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 1A

MUS MUSCULUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 3 × 1 （Q9CW03） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SMC1A_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–225； UniProt 461–685

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 3

MUS MUSCULUS

UniProt Q9CW03

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 1A × 1 （Q9CU62） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SMC3_MOUSE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–213； UniProt 484–696

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	2wd5
Deposition date deposition_date	2009-03-20
Structure title title	SMC hinge heterodimer (Mouse)
Keywords keywords	DNA DAMAGE, CELL CYCLE, CELL DIVISION; CELL CYCLE
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.

2wd5__assembly_1__model_1

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

Download this curve (.dat)

2wd5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2wd5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.25 Å
Rg (electron density)	21.06 Å
Total Rg	22.03 Å
Atom count	2930
Residues	368
Excluded volume	52382 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2wd5__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 (3)

Entity 1 Entity 1 polymer

Description description	STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 1A
Molecular weight formula_weight	26827.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3018

EEVEMAKRRIDEINKELNQVMEQLGDARIDRQESSRQQRKAEIMESIKRLYPGSVYGRLIDLCQPTQKKYQIAVTKVLGKNMDAIIVDSEKTGRDCIQYIKEQRGEPETFLPLDYLEVKPTDEKLRELKGAKLVIDVIRYEPPHIKKALQYACGNALVCDNVEDARRIAFGGHQRHKTVALDGTLFQKSGVISGGASDLKAKARRWDEKAVDKLKEKKGRLTEELLEHHHHHH

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 3
Molecular weight formula_weight	24339.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

AAKREDLEKKQQLLRAATGKAILNGIDSINKVLEHFRRKGINQHVQNGYHGIVMNNFECEPAFYTCVEVTAGNRLFYHIVDSDEVSTKILMEFNKMNLPGEVTFLPLNKLDVRDTAYPETNDAIPMISKLRYNPRFDKAFKHVFGKTLICRSMEVSTQLARAFTMDCITLEGDQVSHRGALTGGYYDTRKSRLELQKDVRKAEEELGELEAKL

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	ESCHERICHIA COLI

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	88

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Unit-cell length a length_a	52.285 Å
Unit-cell length b length_b	61.867 Å
Unit-cell length c length_c	77.046 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	105.04 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	26.050 Å
R factor r_factor	0.2290
R_work r_work	0.2250
R_free r_free	0.3050

SMC hinge heterodimer (Mouse)

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

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 1A

State in the Current Structure

Other States of the Same Protein in the Database

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 3

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

2wd5__assembly_1__model_1

2wd5__assembly_1__model_1 | I(q)

2wd5__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

7. Citations (1)

SMC hinge heterodimer (Mouse)

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

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 1A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

STRUCTURAL MAINTENANCE OF CHROMOSOMES PROTEIN 3

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

2wd5__assembly_1__model_1

2wd5__assembly_1__model_1 | I(q)

2wd5__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

7. Citations (1)