SAXSdb — 4xa1

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

Gp7-MYH7(1173-1238)-EB1 chimera protein

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MYH7_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 53–118； UniProt 1173–1238 Author chain B； PDBConstruct 53–118； UniProt 1173–1238 Author chain C； PDBConstruct 53–118； UniProt 1173–1238 Author chain D； PDBConstruct 53–118； UniProt 1173–1238

Gp7-MYH7(1173-1238)-EB1 chimera protein

Homo sapiens

UniProt P13848

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VG7_BPPH2
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–52； UniProt 1–49 Author chain B； PDBConstruct 4–52； UniProt 1–49 Author chain C； PDBConstruct 4–52； UniProt 1–49 Author chain D； PDBConstruct 4–52； UniProt 1–49

Gp7-MYH7(1173-1238)-EB1 chimera protein

Homo sapiens

UniProt Q15691

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Insufficient information	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MARE1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 119–159； UniProt 211–251 Author chain B； PDBConstruct 119–159； UniProt 211–251 Author chain C； PDBConstruct 119–159； UniProt 211–251 Author chain D； PDBConstruct 119–159； UniProt 211–251

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	4xa1
Deposition date deposition_date	2014-12-12
Structure title title	Crystal Structure of the coiled-coil surrounding Skip 1 of MYH7
Keywords keywords	Myosin, coiled coil, skip residue, fusion, Gp7, EB1, MYH7, Cardiac, MOTOR PROTEIN; MOTOR 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.

4xa1__assembly_1__model_1

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

Download this curve (.dat)

4xa1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4xa1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	52.03 Å
Rg (electron density)	53.82 Å
Total Rg	52.84 Å
Atom count	2521
Residues	308
Excluded volume	44440 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4xa1__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4xa1__assembly_2__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)

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Unit-cell length a length_a	56.260 Å
Unit-cell length b length_b	59.321 Å
Unit-cell length c length_c	67.721 Å
Unit-cell angle α angle_alpha	96.05 °
Unit-cell angle β angle_beta	110.01 °
Unit-cell angle γ angle_gamma	92.89 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	34.861 Å
R factor r_factor	0.2371
R_work r_work	0.2343
R_free r_free	0.2851

Description description	Gp7-MYH7(1173-1238)-EB1 chimera protein
Molecular weight formula_weight	18446.6 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	4626

Crystal Structure of the coiled-coil surrounding Skip 1 of MYH7

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

Gp7-MYH7(1173-1238)-EB1 chimera protein

State in the Current Structure

Other States of the Same Protein in the Database

Gp7-MYH7(1173-1238)-EB1 chimera protein

State in the Current Structure

Other States of the Same Protein in the Database

Gp7-MYH7(1173-1238)-EB1 chimera protein

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

4xa1__assembly_1__model_1

4xa1__assembly_1__model_1 | I(q)

4xa1__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 water

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	35

Crystal Structure of the coiled-coil surrounding Skip 1 of MYH7

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

Gp7-MYH7(1173-1238)-EB1 chimera 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

Gp7-MYH7(1173-1238)-EB1 chimera 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

Gp7-MYH7(1173-1238)-EB1 chimera 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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4xa1__assembly_1__model_1

4xa1__assembly_1__model_1 | I(q)

4xa1__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 water

7. Citations (1)