SAXSdb — 9g1t

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

Leukotriene C4 synthase

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	PALMITIC ACID × 3 PALMITOLEIC ACID × 3 1-(4-chloranyl-3-fluoranyl-phenyl)-9-[(~{E})-3-phenylprop-2-enoyl]-1,9-diazaspiro[5.5]undecan-2-one × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LTC4S_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 9–157； UniProt 2–150

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	9g1t
Deposition date deposition_date	2024-07-10
Structure title title	Human LTC4 synthase in complex with compound 5
Keywords keywords	LTC4S, Inhibitor, LYASE; LYASE
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.

9g1t__assembly_1__model_1

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

Download this curve (.dat)

9g1t__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9g1t__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.08 Å
Rg (electron density)	22.15 Å
Total Rg	23.24 Å
Atom count	3456
Residues	429
Excluded volume	63265 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9g1t__assembly_1__model_1`	trimeric （3）	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	Leukotriene C4 synthase
Molecular weight formula_weight	17468.6 kDa
EC 编号 ec_number	4.4.1.20,2.5.1.-
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	1152

MHHHHHHGKDEVALLAAVTLLGVLLQAYFSLQVISARRAFRVSPPLTTGPPEFERVYRAQVNCSEYFPLFLATLWVAGIFFHEGAAALCGLVYLFARLRYFQGYARSAQLRLAPLYASARALWLLVALAALGLLAHFLPAALRAALLGRLRTLLPWA

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Pichia

Entity 2 Entity 2 non-polymer

Description description	PALMITIC ACID
Molecular weight formula_weight	256.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	PALMITOLEIC ACID
Molecular weight formula_weight	254.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	1-(4-chloranyl-3-fluoranyl-phenyl)-9-[(~{E})-3-phenylprop-2-enoyl]-1,9-diazaspiro[5.5]undecan-2-one
Molecular weight formula_weight	426.9 kDa
Source method src_method	syn
Copy count entity_count	1

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Unit-cell length a length_a	170.352 Å
Unit-cell length b length_b	170.352 Å
Unit-cell length c length_c	170.352 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	48

Space group space_group	F 2 3
Space-group number int_tables_number	196
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	19.890 Å
R factor r_factor	0.2115
R_work r_work	0.2098
R_free r_free	0.2428

Human LTC4 synthase in complex with compound 5

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

Leukotriene C4 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

9g1t__assembly_1__model_1

9g1t__assembly_1__model_1 | I(q)

9g1t__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 non-polymer

7. Citations (1)

Human LTC4 synthase in complex with compound 5

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

Leukotriene C4 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

9g1t__assembly_1__model_1

9g1t__assembly_1__model_1 | I(q)

9g1t__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 non-polymer

7. Citations (1)