SAXSdb — 6eth

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

Molybdopterin biosynthesis protein CNX1

Arabidopsis thaliana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE MONOPHOSPHATE × 2 MAGNESIUM ION × 2 TUNGSTATE(VI)ION × 2 1,2-ETHANEDIOL × 6 ACETYL GROUP × 4 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CNX1_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–457； UniProt 1–452

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	6eth
Deposition date deposition_date	2017-10-26
Structure title title	The Structure of the Mo-insertase domain Cnx1E from Arabidopsis thaliana in complex with AMP and tungstate
Keywords keywords	;Arabidopsis, Arabidopsis Proteins, Coenzymes, Metalloproteins, Catalytic Domain, Nucleotide Binding, Entropic Enzyme, Adenosine Monophosphate, tungstate binding, antagonistic substrate analogue, PLANT PROTEIN ;; PLANT 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.

6eth__assembly_1__model_1

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

Download this curve (.dat)

6eth__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6eth__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.98 Å
Rg (electron density)	31.70 Å
Total Rg	32.00 Å
Atom count	12662
Residues	844
Excluded volume	112930 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6eth__assembly_1__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 (7)

Entity 1 Entity 1 polymer

Description description	Molybdopterin biosynthesis protein CNX1
Molecular weight formula_weight	49763.1 kDa
EC 编号 ec_number	2.10.1.1,2.7.7.75
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	6694

MSRGSMEGQGCCGGGGGKTEMIPTEEALRIVFGVSKRLPPVIVSLYEALGKVLAEDIRAPDPLPPYPASVKDGYAVVASDGPGEYPVITESRAGNDGLGVTVTPGTVAYVTTGGPIPDGADAVVQVEDTKVIGDVSTESKRVKILIQTKKGTDIRRVGCDIEKDATVLTTGERIGASEIGLLATAGVTMVKVYPMPIVAILSTGDELVEPTAGTLGRGQIRDSNRAMLVAAVMQQQCKVVDLGIVRDDRKELEKVLDEAVSSGVDIILTSGGVSMGDRDFVKPLLEEKGKVYFSKVLMKPGKPLTFAEIRAKPTESMLGKTVLAFGLPGNPVSCLVCFNIFVVPTIRQLAGWTSPHPLRVRLRLQEPIKSDPIRPEFHRAIIKWKDNDGSGTPGFVAESTGHQMSSRLLSMRSANALLELPATGNVLSAGSSVSAIIVSDISAFSIDKKASLSEPGSTSGGSAWSHPQFEK

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	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ADENOSINE MONOPHOSPHATE
Molecular weight formula_weight	347.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	TUNGSTATE(VI)ION
Molecular weight formula_weight	247.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 6 Entity 6 non-polymer

Description description	ACETYL GROUP
Molecular weight formula_weight	44.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	325

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	6ethA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	980 — Molybdenum Cofactor Biosythetic Enzyme; Chain A
Homologous superfamily homologous superfamily	10 — MoaB/Mog-like domain

Domain ID domain_id	6ethA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	105 — Molybdopterin biosynthesis moea protein, domain 2
Homologous superfamily homologous superfamily	10 — Molybdopterin biosynthesis moea protein, domain 2

Domain ID domain_id	6ethA03
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	190 — Molybdopterin biosynthesis moeA protein; domain 3
Homologous superfamily homologous superfamily	11 — Molybdopterin biosynthesis moea protein, domain 3.

Domain ID domain_id	6ethA04
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	340 — Beta-clip
Homologous superfamily homologous superfamily	10 — MoeA, C-terminal, domain IV

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Unit-cell length a length_a	65.500 Å
Unit-cell length b length_b	123.470 Å
Unit-cell length c length_c	133.600 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	8

Space group space_group	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	—

Resolution resolution	1.640 Å
Low-resolution limit resolution_low	42.580 Å
R factor r_factor	0.1870
R_work r_work	0.1860
R_free r_free	0.2000

The Structure of the Mo-insertase domain Cnx1E from Arabidopsis thaliana in complex with AMP and tungstate

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

Molybdopterin biosynthesis protein CNX1

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

6eth__assembly_1__model_1

6eth__assembly_1__model_1 | I(q)

6eth__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 (7)

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 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

The Structure of the Mo-insertase domain Cnx1E from Arabidopsis thaliana in complex with AMP and tungstate

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

Molybdopterin biosynthesis protein CNX1

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

6eth__assembly_1__model_1

6eth__assembly_1__model_1 | I(q)

6eth__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 (7)

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 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)