SAXSdb — 3euq

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

Putative uncharacterized protein

Neurospora crassa

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7S6N4_NEUCR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–379； UniProt 10–388 Author chain B； PDBConstruct 1–379； UniProt 10–388 Author chain C； PDBConstruct 1–379； UniProt 10–388 Author chain D； PDBConstruct 1–379； UniProt 10–388

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	3euq
Deposition date deposition_date	2008-10-10
Structure title title	X-ray structural of a type III pentaketide synthase from Neurospora crassa
Keywords keywords	alpha helix, Acyltransferase, Transferase; TRANSFERASE
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.

3euq__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3euq__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3euq__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	26.70 Å
Rg (electron density)	25.75 Å
Total Rg	26.56 Å
Atom count	5719
Residues	756
Excluded volume	101990 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3euq__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3euq__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 (3)

Entity 1 Entity 1 polymer

Description description	Putative uncharacterized protein
Molecular weight formula_weight	40709.5 kDa
Mutation mutation	F252G
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	12262

LGLSITGLGVQYPPYSLGPDAIDILSKRYHPESPAMKKVLAINRYTGIDQRSSIGNPDHPLVNKPNPPTVKELHEVFMSDGVPLAVEASRKAMAEARLVPAQITHMVSTTCTDSANPGYDHYVAKELGLSDRLEKVLLHGIGCSGGLAALRTAANLCLGHTARGKPARILVLALEVSTTMVRSELESIDALQETRIGIALFSDCASAVILSNGIGEAPGKPAIYDLLGWENRVIPDSEHDLGGDVDPMGWKVVLSPRVPVLAKASLQPTYADLLSSLQDQLPSSYQKPADFDWAMHPGGATILSGAESAMGLTPEHMRASYDRYINHGNSSSATIFSVLNRLREKDMDALAPGGKVKEYVVGCAFGPGINVEMCMLKRR

Source Source

Source organism organism	Neurospora crassa
NCBI taxonomy ID ncbi_taxonomy_id	5141
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	HEXAETHYLENE GLYCOL
Molecular weight formula_weight	282.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	824

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id	3euqA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqC02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3euqD02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

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Unit-cell length a length_a	69.689 Å
Unit-cell length b length_b	105.116 Å
Unit-cell length c length_c	105.078 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.35 °
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	2.100 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2014
R_work r_work	0.1985
R_free r_free	0.2559

X-ray structural of a type III pentaketide synthase from Neurospora crassa

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

Putative uncharacterized 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

3euq__assembly_2__model_1

3euq__assembly_2__model_1 | I(q)

3euq__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)

X-ray structural of a type III pentaketide synthase from Neurospora crassa

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

Putative uncharacterized 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

3euq__assembly_2__model_1

3euq__assembly_2__model_1 | I(q)

3euq__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

7. Citations (1)