SAXSdb — 9qs0

▼

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

FUS1p

Chlamydomonas reinhardtii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 4 其他Polymer 2	Minus adhesion receptor 1 × 2 （A0A0U2YF84） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 GLYCEROL × 9 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q39594_CHLRE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–463； UniProt 17–479 Author chain B； PDBConstruct 1–463； UniProt 17–479

Minus adhesion receptor 1

Chlamydomonas reinhardtii

UniProt A0A0U2YF84

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 4 其他Polymer 2	FUS1p × 2 （Q39594） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 GLYCEROL × 9 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A0U2YF84_CHLRE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–136； UniProt 26–161 Author chain D； PDBConstruct 1–136； UniProt 26–161

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	9qs0
Deposition date deposition_date	2025-04-04
Last revision last_revision	2026-06-10
Structure title title	Crystal Structure of the MAR1-FUS1 Gamete Adhesion Complex in Chlamydomonas reinhardtii
Keywords keywords	Sexual reproduction, gamete adhesion, membrane fusion, HAP2/GCS1, Chlamydomonas, CELL ADHESION; CELL ADHESION
Experimental Method method	X-RAY DIFFRACTION

▼

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.

9qs0__assembly_1__model_1

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

Download this curve (.dat)

9qs0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9qs0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	44.14 Å
Rg (electron density)	45.60 Å
Total Rg	45.36 Å
Atom count	8526
Residues	1095
Excluded volume	151410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9qs0__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	FUS1p
Molecular weight formula_weight	51590.7 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	8532

QDCSVVADFKIDFQTSIFIAGNAYNITLTLLDSYGDPTCVLYDPLLSVSCPSSSSNGRDFCSLQLSPLYNGVYNIKVIPQTLWGGHTVWPPPYSPVAPLPDVYFAGDTAIRITYNGRDIQGSPFPVTVQAEPHISTALSTVNVAVPAKGVASSRFAIAYFYQISDRFTNWIREKSIATQLRVSAYPDADISVQWWQNWWIVLYANSTSAGMYRFQVYFIDDDGSEVPIRILSPGLGLSYDGSFEVLPLALDEAKITASGLPQEVEAGIPVSLTLQAMDIYSNPTRLVDPESYQPFGQQPDNKTLLQVRLVTVDSGALQPNVVAIPTNTTGACSWSITFFTSMDYSVSVTYKESVLHMFSITVRNAQASPSNSTALLPEIGQAGTTLLYVTPRDLWGNIAPLANNDLSIGLTGSTFFHSFIPVEPVRKGDYSVYSLTLTEAGLYVVSIQLHNSSWLEKNITIEAGHHHHHH

Source Source

Source organism organism	Chlamydomonas reinhardtii
NCBI taxonomy ID ncbi_taxonomy_id	3055
Host organism host_organism	Drosophila melanogaster

Entity 2 Entity 2 polymer

Description description	Minus adhesion receptor 1
Molecular weight formula_weight	17531.1 kDa
Mutation mutation	N56Q, N54Q, N72Q, N75Q
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D

QVTLCNKFDSVAGQAQFDQACWNKAPCGGAQVTIPTAWQYSSPCTSQTSQTTSSCVPLPPGYASCADWQAVTNASPAPCRTLTCCASPYGVSYSRYNCAPANTTCLDTGPNSVACMPTQACPPGYIPDASGSCAGADDDDKAGWSHPQFEKGGGSGGGSGGGSWSHPQFEK

Source Source

Source organism organism	Chlamydomonas reinhardtii
NCBI taxonomy ID ncbi_taxonomy_id	3055
Host organism host_organism	Drosophila melanogaster

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 5 Entity 5 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	6

▶

Unit-cell length a length_a	348.395 Å
Unit-cell length b length_b	89.684 Å
Unit-cell length c length_c	97.327 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	98.66 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	3.100 Å
Low-resolution limit resolution_low	45.240 Å
R factor r_factor	0.2179
R_work r_work	0.2165
R_free r_free	0.2459

Crystal Structure of the MAR1-FUS1 Gamete Adhesion Complex in Chlamydomonas reinhardtii

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

FUS1p

State in the Current Structure

Other States of the Same Protein in the Database

Minus adhesion receptor 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

9qs0__assembly_1__model_1

9qs0__assembly_1__model_1 | I(q)

9qs0__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 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)

Crystal Structure of the MAR1-FUS1 Gamete Adhesion Complex in Chlamydomonas reinhardtii

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

FUS1p

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Minus adhesion receptor 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

9qs0__assembly_1__model_1

9qs0__assembly_1__model_1 | I(q)

9qs0__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 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)