SAXSdb — 1d9g

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

INTERFERON-GAMMA

Bos taurus

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 24–144 Chain B； UniProt 24–144	Not recorded	No other associated polymer	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；MES, sodium chloride, ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.308

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 1D9G	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1D9C BOVINE INTERFERON-GAMMA AT 2.0 ANGSTROMS Deposited 1999-10-27	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 24–144（121 aa） Chain B 24–144（121 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；MES, sodium chloride, sodium citrate , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.00 Å R-free 0.275
1RFB CRYSTAL STRUCTURE OF RECOMBINANT BOVINE INTERFERON-GAMMA AT 3.0 ANGSTROMS RESOLUTION Deposited 1993-06-30	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 24–142（119 aa） Chain B 24–142（119 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 3.00 Å

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	IFNG_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–121； UniProt 24–144 Author chain B； PDBConstruct 1–121； UniProt 24–144

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	1d9g
Deposition date deposition_date	1999-10-27
Structure title title	BOVINE INTERFERON-GAMMA AT 2.9 ANGSTROMS
Keywords keywords	helical homodimer, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	20.26 Å
Radius of gyration Rg (electron density) rg_electron	18.79 Å
Forward intensity I(0) i0	12506700.00
Molecular weight molecular_weight	27498.0 kDa
Excluded volume excluded_volume	34968 Å³
Envelope volume envelope_volume	41439 Å³
Hydration-shell volume shell_volume	18616 Å³
Envelope diameter envelope_diameter	67.7 Å
Shell Rg shell_rg	24.95 Å
Envelope Rg envelope_rg	19.08 Å
Shape Rg shape_rg	18.78 Å
Total Rg total_rg	19.84 Å
Total atoms total_atoms	1940
Residues n_residues	232
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	66.3 Å
Rg (real space) rg_real	20.21 Å
Rg uncertainty (real space) rg_real_error	0.49 Å
I(0) (real space) i0_real	1.2510e+07
I(0) uncertainty (real space) i0_real_error	1.6680e+05
Rg (reciprocal space) rg_reciprocal	20.22 Å
I(0) (reciprocal space) i0_reciprocal	12510000.0000
Solution quality estimate total_estimate	0.8072
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	3
Primary peak position r_peak_primary	25.6 Å
Skewness Skewness skewness	0.266
Kurtosis Kurtosis kurtosis	-0.344
Angular range angular_range	— – 0.3900 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	3479000.0000
Real-space data points n_real_points	71
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.832; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (1)

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7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1d9ga_
Class class	a — All alpha proteins
Fold Fold fold	a.26 — 4-helical cytokines
Superfamily Superfamily superfamily	a.26.1 — 4-helical cytokines
Family Family family	a.26.1.3 — Interferons/interleukin-10 (IL-10)

Domain ID domain_id	d1d9gb_
Class class	a — All alpha proteins
Fold Fold fold	a.26 — 4-helical cytokines
Superfamily Superfamily superfamily	a.26.1 — 4-helical cytokines
Family Family family	a.26.1.3 — Interferons/interleukin-10 (IL-10)

CATH v4.4 (2 domains)

Domain ID domain_id	1d9gA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1250 — Growth Hormone; Chain: A;
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1d9gB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1250 — Growth Hormone; Chain: A;
Homologous superfamily homologous superfamily	10 —

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8. Citations (1)

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Unit-cell length a length_a	42.600 Å
Unit-cell length b length_b	79.600 Å
Unit-cell length c length_c	82.400 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	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.2290
R_work r_work	0.2180
R_free r_free	0.3080

Description description	INTERFERON-GAMMA
Molecular weight formula_weight	14255.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	1940

BOVINE INTERFERON-GAMMA AT 2.9 ANGSTROMS

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

INTERFERON-GAMMA

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

来源生物 organism	Bos taurus
通用名 common_name	cattle
NCBI Class编号 ncbi_taxonomy_id	9913
宿主生物 host_organism	Escherichia coli

fit	/app/data/saxs_computation/d9/1d9g/1d9g.fit
pddf	/app/data/pr_computation/d9/1d9g/1d9g.pr.out
profile	/app/data/saxs_computation/d9/1d9g/1d9g.dat