SAXSdb — 5ejq

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

Myosin-I heavy chain

Dictyostelium discoideum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	GLYCINE × 1 SERINE × 1 GLUTAMIC ACID × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MYOI_DICDI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–503； UniProt 1119–1620

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	5ejq
Deposition date deposition_date	2015-11-02
Structure title title	Structure of Dictyostelium Discoideum Myosin VII MyTH4-FERM MF1 domain, mutant 2
Keywords keywords	Myosin, motor protein, myosin tail, MyTH4-FERM; 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.

5ejq__assembly_1__model_1

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

Download this curve (.dat)

5ejq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5ejq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.44 Å
Rg (electron density)	28.84 Å
Total Rg	29.37 Å
Atom count	4049
Residues	498
Excluded volume	72130 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5ejq__assembly_1__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 (5)

Entity 1 Entity 1 polymer

Description description	Myosin-I heavy chain
Molecular weight formula_weight	58772.1 kDa
Mutation mutation	K1181E, R1882E, K1909E, K1912E, K1913E
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	4607

LPQILNDEEISLYSFYDYANKNFNIEKLKQKDDIFSYQESEIESSLLVHSDAEQTEVAVEIFSKVLHYMNSNPLVSKKDPADFYSPVKFILTKGLAIESLRDEIYCQLIKQSTSNPIQDLNIRVWELIHFTCSTFPPTRKLIKYFAAYLKTTIQQSDVSKSVKDSAQASYFILQRFTLNGARKQVPSVTELESIKENRPIFVRITATDGSLKGLHIDSATTCQESSNDLSQRSRMRVNSKENGFTIIESFNGIERDIAPTDKLCDVLSKVENLQATLSSKIQVNFKFVFKKKLFFDNITNNVPTTSINVENEFYYHQLFNDLFNSNYCKDQDYQISIGSLKLQFESSDYTDEIRAWLPGNGRGKYFTTDIEKNRFDDFINKYKSHKGLSPEDAKKQMVQLLEKHPLANCSLVVCEHQSESLPYPKNFVLALNVNGINIYDPATSKMLESVKYSNQSQQNLKSDDKSSVSIILENKSTLQAFTGDVQKLVSLIKEYSLYLRNNALEHHHHHH

Source Source

Source organism organism	Dictyostelium discoideum
Common name common_name	Slime mold
NCBI taxonomy ID ncbi_taxonomy_id	44689
Host organism host_organism	Escherichia coli BL21

Entity 2 Entity 2 non-polymer

Description description	GLYCINE
Molecular weight formula_weight	75.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SERINE
Molecular weight formula_weight	105.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	GLUTAMIC ACID
Molecular weight formula_weight	147.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	512

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Unit-cell length a length_a	53.320 Å
Unit-cell length b length_b	61.480 Å
Unit-cell length c length_c	172.620 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.190 Å
Low-resolution limit resolution_low	19.010 Å
R factor r_factor	0.1868
R_work r_work	0.1851
R_free r_free	0.2171

Structure of Dictyostelium Discoideum Myosin VII MyTH4-FERM MF1 domain, mutant 2

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

Myosin-I heavy chain

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

5ejq__assembly_1__model_1

5ejq__assembly_1__model_1 | I(q)

5ejq__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

7. Citations (1)

Structure of Dictyostelium Discoideum Myosin VII MyTH4-FERM MF1 domain, mutant 2

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

Myosin-I heavy 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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5ejq__assembly_1__model_1

5ejq__assembly_1__model_1 | I(q)

5ejq__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

7. Citations (1)