SAXSdb — 5igo

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

E3 ubiquitin-protein ligase COP1

Arabidopsis thaliana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Tribbles homolog 1 × 1 （Q96RU8） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Tribbles homolog 1 × 1 （Q96RU8） water × 2	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	Tribbles homolog 1 × 1 （Q96RU8） water × 2	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 2	Tribbles homolog 1 × 1 （Q96RU8） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COP1_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 10–336； UniProt 349–675 Author chain B； PDBConstruct 10–336； UniProt 349–675 Author chain C； PDBConstruct 10–336； UniProt 349–675 Author chain D； PDBConstruct 10–336； UniProt 349–675

Tribbles homolog 1

OrganismNot specified

UniProt Q96RU8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	E3 ubiquitin-protein ligase COP1 × 1 （P43254） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	E3 ubiquitin-protein ligase COP1 × 1 （P43254） water × 2	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	E3 ubiquitin-protein ligase COP1 × 1 （P43254） water × 2	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 2	E3 ubiquitin-protein ligase COP1 × 1 （P43254） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TRIB1_HUMAN
Isoform	Q96RU8-2
PDB entities	2
Chains and sequence ranges	Author chain U； PDBConstruct 1–8； UniProt 188–195 Author chain V； PDBConstruct 1–8； UniProt 188–195 Author chain W； PDBConstruct 1–8； UniProt 188–195 Author chain X； PDBConstruct 1–8； UniProt 188–195

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	5igo
Deposition date deposition_date	2016-02-28
Structure title title	WD40 domain of Arabidopsis thaliana E3 Ubiquitin Ligase COP1 in complex with peptide from Trib1
Keywords keywords	WD40 domain E3 ligase, Hydrolase-Peptide Complex; Hydrolase/Peptide
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.

5igo__assembly_1__model_1

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

Download this curve (.dat)

5igo__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5igo__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.76 Å
Rg (electron density)	18.55 Å
Total Rg	19.49 Å
Atom count	2567
Residues	329
Excluded volume	45149 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5igo__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5igo__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`5igo__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`5igo__assembly_4__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 (3)

Entity 1 Entity 1 polymer

Description description	E3 ubiquitin-protein ligase COP1
Molecular weight formula_weight	38165.7 kDa
EC 编号 ec_number	6.3.2.-
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	11580

MHHHHHHHHTFTRYSRLRVIAEIRHGDIFHSANIVSSIEFDRDDELFATAGVSRCIKVFDFSSVVNEPADMQCPIVEMSTRSKLSCLSWNKHEKNHIASSDYEGIVTVWDVTTRQSLMEYEEHEKRAWSVDFSRTEPSMLVSGSDDCKVKVWCTRQEASVINIDMKANICCVKYNPGSSNYIAVGSADHHIHYYDLRNISQPLHVFSGHKKAVSYVKFLSNNELASASTDSTLRLWDVKDNLPVRTFRGHTNEKNFVGLTVNSEYLACGSETNEVYVYHKEITRPVTSHRFGSPDMDDAEEEAGSYFISAVCWKSDSPTMLTANSQGTIKVLVLAA

Source Source

Source organism organism	Arabidopsis thaliana
Common name common_name	Mouse-ear cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Trichoplusia ni

Entity 2 Entity 2 polymer

Description description	Tribbles homolog 1
Molecular weight formula_weight	950.0 kDa
Source method src_method	syn
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U,V,W,X

SDQIVPEY

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1256

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	5igoA00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	5igoB00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	5igoC00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	5igoD00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

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Unit-cell length a length_a	78.516 Å
Unit-cell length b length_b	87.469 Å
Unit-cell length c length_c	94.610 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	92.55 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	64.200 Å
R factor r_factor	0.1907
R_work r_work	0.1894
R_free r_free	0.2134

WD40 domain of Arabidopsis thaliana E3 Ubiquitin Ligase COP1 in complex with peptide from Trib1

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

E3 ubiquitin-protein ligase COP1

State in the Current Structure

Other States of the Same Protein in the Database

Tribbles homolog 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

5igo__assembly_1__model_1

5igo__assembly_1__model_1 | I(q)

5igo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

WD40 domain of Arabidopsis thaliana E3 Ubiquitin Ligase COP1 in complex with peptide from Trib1

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

E3 ubiquitin-protein ligase COP1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Tribbles homolog 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

5igo__assembly_1__model_1

5igo__assembly_1__model_1 | I(q)

5igo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)