SAXSdb — 7u5o

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

Inhibin beta B chain

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Bone morphogenetic protein receptor type-2 × 1 （Q13873）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Bone morphogenetic protein receptor type-2 × 1 （Q13873）	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	Bone morphogenetic protein receptor type-2 × 1 （Q13873）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	INHBB_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–115； UniProt 293–407 Author chain B； PDBConstruct 1–115； UniProt 293–407 Author chain C； PDBConstruct 1–115； UniProt 293–407

Bone morphogenetic protein receptor type-2

Homo sapiens

UniProt Q13873

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Inhibin beta B chain × 1 （P09529）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Inhibin beta B chain × 1 （P09529）	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	Inhibin beta B chain × 1 （P09529）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BMPR2_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 1–111； UniProt 27–137 Author chain F； PDBConstruct 1–111； UniProt 27–137 Author chain G； PDBConstruct 1–111； UniProt 27–137

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	7u5o
Deposition date deposition_date	2022-03-02
Structure title title	CRYSTAL STRUCTURE OF THE BONE MORPHOGENETIC PROTEIN RECEPTOR TYPE 2 LIGAND BINDING DOMAIN IN COMPLEX WITH ACTIVIN-B
Keywords keywords	Cell Signaling, Receptor-ligand complex, Growth factor, Receptor interaction, Activin B, BMPRII, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

7u5o__assembly_1__model_1

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

Download this curve (.dat)

7u5o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7u5o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.14 Å
Rg (electron density)	23.26 Å
Total Rg	23.58 Å
Atom count	1461
Residues	195
Excluded volume	25612 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7u5o__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`7u5o__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`7u5o__assembly_3__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 (2)

Entity 1 Entity 1 polymer

Description description	Inhibin beta B chain
Molecular weight formula_weight	12825.6 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	4357

GLECDGRTNLCCRQQFFIDFRLIGWNDWIIAPTGYYGNYCEGSCPAYLAGVPGSASSFHTAVVNQYRMRGLNPGTVNSCCIPTKLSTMSMLYFDDEYNIVKRDVPNMIVEECGCA

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 polymer

Description description	Bone morphogenetic protein receptor type-2
Molecular weight formula_weight	12427.7 kDa
EC 编号 ec_number	2.7.11.30
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

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

SQNQERLCAFKDPYQQDLGIGESRISHENGTILCSKGSTCYGLWEKSKGDINLVKQGCWSHIGDPQECHYEECVVTTTPPSIQNGTYRFCCCSTDLCNVNFTENFPPPDTT

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

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Unit-cell length a length_a	80.960 Å
Unit-cell length b length_b	115.460 Å
Unit-cell length c length_c	110.160 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	100.92 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	3.450 Å
Low-resolution limit resolution_low	36.060 Å
R factor r_factor	0.2381
R_work r_work	0.2357
R_free r_free	0.2844

CRYSTAL STRUCTURE OF THE BONE MORPHOGENETIC PROTEIN RECEPTOR TYPE 2 LIGAND BINDING DOMAIN IN COMPLEX WITH ACTIVIN-B

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

Inhibin beta B chain

State in the Current Structure

Other States of the Same Protein in the Database

Bone morphogenetic protein receptor type-2

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

7u5o__assembly_1__model_1

7u5o__assembly_1__model_1 | I(q)

7u5o__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

7. Citations (1)

CRYSTAL STRUCTURE OF THE BONE MORPHOGENETIC PROTEIN RECEPTOR TYPE 2 LIGAND BINDING DOMAIN IN COMPLEX WITH ACTIVIN-B

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

Inhibin beta B chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Bone morphogenetic protein receptor type-2

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

7u5o__assembly_1__model_1

7u5o__assembly_1__model_1 | I(q)

7u5o__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

7. Citations (1)