SAXSdb — 9yic

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

Interleukin-17A

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	(3S)-N-[(3-{[(1S)-2-anilino-1-cyclohexyl-2-oxoethyl]carbamoyl}phenyl)methyl]-2,2-dimethylthiomorpholine-3-carboxamide × 1 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	(3S)-N-[(3-{[(1S)-2-anilino-1-cyclohexyl-2-oxoethyl]carbamoyl}phenyl)methyl]-2,2-dimethylthiomorpholine-3-carboxamide × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IL17_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–122； UniProt 35–155 Author chain B； PDBConstruct 2–122； UniProt 35–155 Author chain C； PDBConstruct 2–122； UniProt 35–155 Author chain D； PDBConstruct 2–122； UniProt 35–155

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	9yic
Deposition date deposition_date	2025-10-01
Structure title title	Crystal structure of human IL-17A in complex with Compound 1
Keywords keywords	dimer, cysteine-knot, CYTOKINE; CYTOKINE
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.

9yic__assembly_1__model_1

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

Download this curve (.dat)

9yic__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9yic__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.22 Å
Rg (electron density)	19.28 Å
Total Rg	20.10 Å
Atom count	1617
Residues	201
Excluded volume	28268 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9yic__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`9yic__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	Interleukin-17A
Molecular weight formula_weight	14209.9 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	3315

MNSEDKNFPRTVMVNLNIHNRNTNTNPKRSSDYYNRSTSPWNLHRNEDPERYPSVIWEAQCRHLGCINADGNVDYHMNSVPIQQEILVLRREPPHSPNSFRLEKILVSVGCTCVTPIVHHVQ

Source Source

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

Entity 2 Entity 2 non-polymer

Description description	(3S)-N-[(3-{[(1S)-2-anilino-1-cyclohexyl-2-oxoethyl]carbamoyl}phenyl)methyl]-2,2-dimethylthiomorpholine-3-carboxamide
Molecular weight formula_weight	522.7 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	7

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Unit-cell length a length_a	167.930 Å
Unit-cell length b length_b	122.690 Å
Unit-cell length c length_c	52.840 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.82 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	3.150 Å
Low-resolution limit resolution_low	35.533 Å
R factor r_factor	0.2163
R_work r_work	0.2150
R_free r_free	0.2421

Crystal structure of human IL-17A in complex with Compound 1

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

Interleukin-17A

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

9yic__assembly_1__model_1

9yic__assembly_1__model_1 | I(q)

9yic__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 non-polymer

Entity 3 Entity 3 water

7. Citations (1)

Crystal structure of human IL-17A in complex with Compound 1

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

Interleukin-17A

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

9yic__assembly_1__model_1

9yic__assembly_1__model_1 | I(q)

9yic__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 non-polymer

Entity 3 Entity 3 water

7. Citations (1)