SAXSdb — 2xcm

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

CYTOSOLIC HEAT SHOCK PROTEIN 90

HORDEUM VULGARE

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	SGT1-LIKE PROTEIN × 1 （Q84LL4） RAR1 × 1 （Q9FLI9） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	SGT1-LIKE PROTEIN × 1 （Q84LL4） RAR1 × 1 （Q9FLI9） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7XJ80_HORVU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–213； UniProt 2–210 Author chain B； PDBConstruct 5–213； UniProt 2–210

SGT1-LIKE PROTEIN

ARABIDOPSIS THALIANA

UniProt Q84LL4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	CYTOSOLIC HEAT SHOCK PROTEIN 90 × 1 （Q7XJ80） RAR1 × 1 （Q9FLI9） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	CYTOSOLIC HEAT SHOCK PROTEIN 90 × 1 （Q7XJ80） RAR1 × 1 （Q9FLI9） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q84LL4_ARATH
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–92； UniProt 73–164 Author chain D； PDBConstruct 1–92； UniProt 73–164

RAR1

ARABIDOPSIS THALIANA

UniProt Q9FLI9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	CYTOSOLIC HEAT SHOCK PROTEIN 90 × 1 （Q7XJ80） SGT1-LIKE PROTEIN × 1 （Q84LL4） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	CYTOSOLIC HEAT SHOCK PROTEIN 90 × 1 （Q7XJ80） SGT1-LIKE PROTEIN × 1 （Q84LL4） ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 ZINC ION × 2 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9FLI9_ARATH
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain E； PDBConstruct 2–74； UniProt 149–221 Author chain F； PDBConstruct 2–74； UniProt 149–221

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	2xcm
Deposition date deposition_date	2010-04-23
Structure title title	COMPLEX OF HSP90 N-TERMINAL, SGT1 CS AND RAR1 CHORD2 DOMAIN
Keywords keywords	CHAPERONE-PROTEIN BINDING COMPLEX, STRESS RESPONSE; CHAPERONE/PROTEIN BINDING
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.

2xcm__assembly_1__model_1

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

Download this curve (.dat)

2xcm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2xcm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.02 Å
Rg (electron density)	29.38 Å
Total Rg	29.85 Å
Atom count	3034
Residues	379
Excluded volume	53897 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2xcm__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2xcm__assembly_2__model_1`	trimeric （3）	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 (7)

Entity 1 Entity 1 polymer

Description description	CYTOSOLIC HEAT SHOCK PROTEIN 90
Molecular weight formula_weight	23942.9 kDa
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	6330

HHAAATETETFAFQAEINQLLSLIINTFYSNKEIFLRELISNSSDALDKIRFESLTDKSKLDAQPELFIHIIPDKATSTLTIVDSGIGMTKSDLVNNLGTIARSGTKEFMEALAAGADVSMIGQFGVGFYSAYLVAERVVVTTKHNDDEQYVWESQAGGSFTVTRDTSGEQLGRGTKMVLYLKDDQMEYLEERRIKDLVKKHSEFISYPISLWA

Source Source

Source organism organism	HORDEUM VULGARE
NCBI taxonomy ID ncbi_taxonomy_id	4513
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	SGT1-LIKE PROTEIN
Molecular weight formula_weight	10541.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D

AKYRHEYYQKPEEVVVTVFAKGIPKQNVNIDFGEQILSVVIEVPGEDAYYLQPRLFGKIIPDKCKYEVLSTKIEICLAKADIITWASLEHGK

Source Source

Source organism organism	ARABIDOPSIS THALIANA
Common name common_name	THALE CRESS
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	ESCHERICHIA COLI

Entity 3 Entity 3 polymer

Description description	RAR1
Molecular weight formula_weight	8407.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,F

AAVIDINQPQVCKNKGCGQTFKERDNHETACSHHPGPAVFHDRLRGWKCCDVHVKEFDEFMEIPPCTKGWHSSS

Source Source

Source organism organism	ARABIDOPSIS THALIANA
Common name common_name	THALE CRESS
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	ESCHERICHIA COLI

Entity 4 Entity 4 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	270

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d2xcma1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.122 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Superfamily Superfamily superfamily	d.122.1 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Family Family family	d.122.1.1 — Heat shock protein 90, HSP90, N-terminal domain

Domain ID domain_id	d2xcma2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2xcmb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.122 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Superfamily Superfamily superfamily	d.122.1 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Family Family family	d.122.1.1 — Heat shock protein 90, HSP90, N-terminal domain

Domain ID domain_id	d2xcmb2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2xcmc_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.0 — automated matches

Domain ID domain_id	d2xcmd_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	2xcmA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	565 — Heat Shock Protein 90
Homologous superfamily homologous superfamily	10 — Histidine kinase-like ATPase, C-terminal domain

Domain ID domain_id	2xcmB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	565 — Heat Shock Protein 90
Homologous superfamily homologous superfamily	10 — Histidine kinase-like ATPase, C-terminal domain

Domain ID domain_id	2xcmC00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	2xcmD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

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Unit-cell length a length_a	88.890 Å
Unit-cell length b length_b	88.890 Å
Unit-cell length c length_c	117.820 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	6

Space group space_group	P 32
Space-group number int_tables_number	145
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	46.780 Å
R factor r_factor	0.2000
R_work r_work	0.1980
R_free r_free	0.2420

COMPLEX OF HSP90 N-TERMINAL, SGT1 CS AND RAR1 CHORD2 DOMAIN

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

CYTOSOLIC HEAT SHOCK PROTEIN 90

State in the Current Structure

Other States of the Same Protein in the Database

SGT1-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

RAR1

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

2xcm__assembly_1__model_1

2xcm__assembly_1__model_1 | I(q)

2xcm__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)

COMPLEX OF HSP90 N-TERMINAL, SGT1 CS AND RAR1 CHORD2 DOMAIN

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

CYTOSOLIC HEAT SHOCK PROTEIN 90

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

SGT1-LIKE PROTEIN

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

RAR1

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

2xcm__assembly_1__model_1

2xcm__assembly_1__model_1 | I(q)

2xcm__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)