SAXSdb — 4c52

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

BCL-2-LIKE PROTEIN 1

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	(R)-2-(3-(3-((2,4-DIFLUOROPENYL)ETHYNYL)BENZOYL)-3-PROPYLUREIDO)-3-(ISOBUTYLTHIO) PROPANOIC ACID × 2 SULFATE ION × 7 1,2-ETHANEDIOL × 12 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B2CL1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–31； UniProt 1–26 Author chain A； PDBConstruct 32–158； UniProt 83–209 Author chain B； PDBConstruct 6–31； UniProt 1–26 Author chain B； PDBConstruct 32–158； UniProt 83–209

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	4c52
Deposition date deposition_date	2013-09-10
Structure title title	Crystal structure of Bcl-xL in complex with benzoylurea compound (39b)
Keywords keywords	APOPTOSIS; APOPTOSIS
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.

4c52__assembly_1__model_1

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

Download this curve (.dat)

4c52__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4c52__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.12 Å
Rg (electron density)	21.03 Å
Total Rg	21.86 Å
Atom count	2486
Residues	290
Excluded volume	43867 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4c52__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 (5)

Entity 1 Entity 1 polymer

Description description	BCL-2-LIKE PROTEIN 1
Molecular weight formula_weight	17918.0 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	2637

GPLGSMSQSNRELVVDFLSYKLSQKGYSWSQMAAVKQALREAGDEFELRYRRAFSDLTSQLHITPGTAYQSFEQVVNELFRDGVNWGRIVAFFSFGGALCVESVDKEMQVLVSRIAAWMATYLNDHLEPWIQENGGWDTFVELYGNNAAAESRKGQER

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 non-polymer

Description description	(R)-2-(3-(3-((2,4-DIFLUOROPENYL)ETHYNYL)BENZOYL)-3-PROPYLUREIDO)-3-(ISOBUTYLTHIO) PROPANOIC ACID
Molecular weight formula_weight	502.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	133

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d4c52a1
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.1 — Toxins' membrane translocation domains
Superfamily Superfamily superfamily	f.1.4 — Bcl-2 inhibitors of programmed cell death
Family Family family	f.1.4.1 — Bcl-2 inhibitors of programmed cell death

Domain ID domain_id	d4c52a2
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	d4c52b1
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.1 — Toxins' membrane translocation domains
Superfamily Superfamily superfamily	f.1.4 — Bcl-2 inhibitors of programmed cell death
Family Family family	f.1.4.1 — Bcl-2 inhibitors of programmed cell death

Domain ID domain_id	d4c52b2
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

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Unit-cell length a length_a	63.814 Å
Unit-cell length b length_b	63.814 Å
Unit-cell length c length_c	132.830 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	2.049 Å
Low-resolution limit resolution_low	42.481 Å
R factor r_factor	0.1618
R_work r_work	0.1590
R_free r_free	0.2157

Crystal structure of Bcl-xL in complex with benzoylurea compound (39b)

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

BCL-2-LIKE PROTEIN 1

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

4c52__assembly_1__model_1

4c52__assembly_1__model_1 | I(q)

4c52__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (1)

Crystal structure of Bcl-xL in complex with benzoylurea compound (39b)

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

BCL-2-LIKE PROTEIN 1

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

4c52__assembly_1__model_1

4c52__assembly_1__model_1 | I(q)

4c52__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

7. Citations (1)