SAXSdb — 8vw5

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

E3 ubiquitin-protein ligase CBL-B

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	MAGNESIUM ION × 1 CALCIUM ION × 1 ;[5-(2-{(2R,5S)-2-[2-(carboxymethoxy)-3-methoxy-5-nitrophenyl]-3,5-dimethyl-4-oxoimidazolidin-1-yl}-2-oxoethyl)-3,6-dimethoxy-9,9-dimethyl-9H-xanthen-4-yl]acetic acid ; × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 ;[5-(2-{(2R,5S)-2-[2-(carboxymethoxy)-3-methoxy-5-nitrophenyl]-3,5-dimethyl-4-oxoimidazolidin-1-yl}-2-oxoethyl)-3,6-dimethoxy-9,9-dimethyl-9H-xanthen-4-yl]acetic acid ; × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CBLB_HUMAN
Isoform	—
PDB entities	1, 2
Chains and sequence ranges	Author chain A； PDBConstruct 3–310； UniProt 36–343 Author chain B； PDBConstruct 3–310； UniProt 36–343

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	8vw5
Deposition date deposition_date	2024-01-31
Last revision last_revision	2024-07-03
Structure title title	Crystal structure of Cbl-b TKB bound to compound 2
Keywords keywords	Ubiquitin ligase, E3, inhibitor, TRANSFERASE, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
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.

8vw5__assembly_1__model_1

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

Download this curve (.dat)

8vw5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8vw5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.00 Å
Rg (electron density)	20.75 Å
Total Rg	21.61 Å
Atom count	2595
Residues	304
Excluded volume	45754 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8vw5__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`8vw5__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 (6)

Entity 1 Entity 1 polymer

Description description	E3 ubiquitin-protein ligase CBL-B
Molecular weight formula_weight	36205.5 kDa
EC 编号 ec_number	2.3.2.27
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	5820

GSPKQAAADRRTVEKTWKLMDKVVRLCQNPKLQLKNSPPYILDILPDTYQHLRLILSRYDDNQKLAQLSENEYFKIYIDSLMKKSKRAIRLFKEGKERMYEENSQDRRNLTKLSLIFSHMLAEIKAIFPNGQFQGDNFRITKADAAEFWRKFFGDKTIVPWKVFRQCLHEVHQISSGLEAMALKSTIDLTCNDYISVFEFDIFTRLFQPWGSILRNWNFLAVTHPGYMAFLTYDEVKARLQKYSTKPGSYIFRLSCTRLGQWAIGYVTGDGNILQTIPHNKPLFQALIDGSREGFYLYPDGRSYNPDLTG

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

Entity 2 Entity 2 polymer

Description description	E3 ubiquitin-protein ligase CBL-B
Molecular weight formula_weight	36164.5 kDa
EC 编号 ec_number	2.3.2.27
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

GSPKQAAADRRTVEKTWKLMDKVVRLCQNPKLQLKNSPPYILDILPDTYQHLRLILSKYDDNQKLAQLSENEYFKIYIDSLMKKSKRAIRLFKEGKERMYEENSQDRRNLTKLSLIFSHMLAEIKAIFPNGQFQGDTFRITKADAAEFWRKFFGDKTIVPWKVFRQCLHEVHQISSGLEAMALKSTIDLTCNDYISVFEFDIFTRLFQPWGSILRNWNFLAVTHPGYMAFLTYDEVKARLQKYSTKPGSYIFRLSCTRLGQWAIGYVTGDGNILQTIPHNKPLFQALIDGSREGFYLYPDGRSYNPDLTG

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

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	;[5-(2-{(2R,5S)-2-[2-(carboxymethoxy)-3-methoxy-5-nitrophenyl]-3,5-dimethyl-4-oxoimidazolidin-1-yl}-2-oxoethyl)-3,6-dimethoxy-9,9-dimethyl-9H-xanthen-4-yl]acetic acid ;
Molecular weight formula_weight	707.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	616

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Unit-cell length a length_a	55.198 Å
Unit-cell length b length_b	56.820 Å
Unit-cell length c length_c	71.568 Å
Unit-cell angle α angle_alpha	102.90 °
Unit-cell angle β angle_beta	96.55 °
Unit-cell angle γ angle_gamma	111.97 °
Molecules per unit cell Z z_pdb	1

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

Resolution resolution	1.760 Å
Low-resolution limit resolution_low	35.880 Å
R factor r_factor	0.1767
R_work r_work	0.1753
R_free r_free	0.2041

Crystal structure of Cbl-b TKB bound to compound 2

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

E3 ubiquitin-protein ligase CBL-B

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

8vw5__assembly_1__model_1

8vw5__assembly_1__model_1 | I(q)

8vw5__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)

Crystal structure of Cbl-b TKB bound to compound 2

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

E3 ubiquitin-protein ligase CBL-B

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

8vw5__assembly_1__model_1

8vw5__assembly_1__model_1 | I(q)

8vw5__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)