SAXSdb — 3atz

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

Prostaglandin F2a synthase

Trypanosoma cruzi

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 P-HYDROXYBENZALDEHYDE × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 P-HYDROXYBENZALDEHYDE × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 P-HYDROXYBENZALDEHYDE × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 P-HYDROXYBENZALDEHYDE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8I6L9_TRYCR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–379； UniProt 1–379 Author chain B； PDBConstruct 1–379； UniProt 1–379 Author chain C； PDBConstruct 1–379； UniProt 1–379 Author chain D； PDBConstruct 1–379； UniProt 1–379

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	3atz
Deposition date deposition_date	2011-01-26
Structure title title	Crystal structure of TcOYE with pHBA
Keywords keywords	alpha/beta barrel, flavin mononucleotide, Oxidoreductase-Oxidoreductase inhibitor complex; Oxidoreductase/Oxidoreductase inhibitor
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.

3atz__assembly_1__model_1

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

Download this curve (.dat)

3atz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3atz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.29 Å
Rg (electron density)	19.05 Å
Total Rg	19.97 Å
Atom count	2928
Residues	368
Excluded volume	51937 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3atz__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3atz__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3atz__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`3atz__assembly_4__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 (4)

Entity 1 Entity 1 polymer

Description description	Prostaglandin F2a synthase
Molecular weight formula_weight	42312.8 kDa
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	12454

MATFPELLRPLKLGRYTLRNRIIMAPLTRCQATEDDHVPRTESMLKYYEDRASAGLIIAEATMVQPNYTGFLTEPGIYSDAQIEEWRKIVDAVHKKGGLIFLQLIHAGRAGIPEKILQQSKSDQDPLAGRLLAASAIPIKDHRIPAYFAASGEKETYGVPEELTDDEVRDGIIPLFVEGAKNAIFKAGFDGVEIHGANGYLLDAFFRESSNKRQSGPYAGTTIDTRCQLIYDVTKSVCDAVGSDRVGLRISPLNGVHGMIDSNPEALTKHLCKKIEPLSLAYLHYLRGDMVNQQIGDVVAWVRGSYSGVKISNLRYDFEEADQQIREGKVDAVAFGAKFIANPDLVERAQQNWPLNEPRPETYYTRTAVGYNDYPTYNK

Source Source

Source organism organism	Trypanosoma cruzi
NCBI taxonomy ID ncbi_taxonomy_id	5693
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	FLAVIN MONONUCLEOTIDE
Molecular weight formula_weight	456.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	P-HYDROXYBENZALDEHYDE
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	579

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d3atza_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

Domain ID domain_id	d3atzb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

Domain ID domain_id	d3atzc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

Domain ID domain_id	d3atzd_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	3atzA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	3atzB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	3atzC00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	3atzD00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

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Unit-cell length a length_a	47.333 Å
Unit-cell length b length_b	119.587 Å
Unit-cell length c length_c	111.527 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	2.040 Å
Low-resolution limit resolution_low	37.180 Å
R factor r_factor	0.1720
R_work r_work	0.1720
R_free r_free	0.2190

Crystal structure of TcOYE with pHBA

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

Prostaglandin F2a synthase

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

3atz__assembly_1__model_1

3atz__assembly_1__model_1 | I(q)

3atz__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of TcOYE with pHBA

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

Prostaglandin F2a synthase

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

3atz__assembly_1__model_1

3atz__assembly_1__model_1 | I(q)

3atz__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)