SAXSdb — 2b8w

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

Interferon-induced guanylate-binding protein 1

Homo sapiens

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 1–317 Chain B； UniProt 1–317	Fragment：N-terminal Large GTPase domain	MG MAGNESIUM ION × 2 ALF TETRAFLUOROALUMINATE ION × 2 5GP GUANOSINE-5'-MONOPHOSPHATE × 2	X-RAY DIFFRACTION X-ray crystallization conditions：298 K；5% PEG3350, 150 mM CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.22 Å R-free 0.233

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 2B8W	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1DG3 STRUCTURE OF HUMAN GUANYLATE BINDING PROTEIN-1 IN NUCLEOTIDE FREE FORM Deposited 1999-11-23	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–592（592 aa） Fragment：FULL LENGTH PROTEIN	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；100MM MES-NAOH, 7.5% PEG6000, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.80 Å R-free 0.276
1F5N HUMAN GUANYLATE BINDING PROTEIN-1 IN COMPLEX WITH THE GTP ANALOGUE, GMPPNP. Deposited 2000-06-15	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–592（592 aa）	Mutation：Q507H	MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；15-20% PEG3350, 150-200mM MgCl2, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 4K	Resolution 1.70 Å R-free 0.255
2B92 Crystal-structure of the N-terminal Large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with GDP/AlF3 Deposited 2005-10-10	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–317（317 aa） Fragment：N-terminal Large GTPase domain Chain B 1–317（317 aa） Fragment：N-terminal Large GTPase domain	Not recorded	MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 AF3 ALUMINUM FLUORIDE × 2	X-RAY DIFFRACTION X-ray crystallization conditions 298 K；12.5% Peg3350, 125mM Na2HPO4 (from Hampton Research peg/ion screen supplied at pH9.1), VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 3.20 Å R-free 0.250
2BC9 Crystal-structure of the N-terminal large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with non-hydrolysable GTP analogue GppNHp Deposited 2005-10-19	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–317（317 aa） Fragment：N-terminal Large GTPase doamin	Not recorded	MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；10 % Peg 3350, 100 mM NaSCN, 40 mM CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.80 Å R-free 0.269
2D4H Crystal-structure of the N-terminal large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with GMP Deposited 2005-10-19	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–317（317 aa） Fragment：N-terminal Large GTPase domain	Not recorded	5GP GUANOSINE-5'-MONOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions 298 K；20% Peg 3350, 130 mM NH4NO3, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.90 Å R-free 0.275
2D4H Crystal-structure of the N-terminal large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with GMP Deposited 2005-10-19	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 1–317（317 aa） Fragment：N-terminal Large GTPase domain	Not recorded	5GP GUANOSINE-5'-MONOPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions 298 K；20% Peg 3350, 130 mM NH4NO3, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.90 Å R-free 0.275
6K1Z Crystal structure of farnesylated hGBP1 Deposited 2019-05-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–592（592 aa）	Not recorded	FAR FARNESYL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293.15 K；0.02M Citric acid/0.08M BIS-TRIS propane (pH 8.8), 16% w/v Polyethylene glycol 3350	Resolution 2.31 Å R-free 0.267
6K2D The crystal structure of GBP1 with LRR domain of IpaH9.8 Deposited 2019-05-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–479（479 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；1.6M Sodium/potassium phosphate pH 6.5	Resolution 3.60 Å R-free 0.287
6LOJ The complex structure of IpaH9.8-LRR and hGBP1 Deposited 2020-01-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–592（592 aa）	Mutation：Q507H	GDP GUANOSINE-5'-DIPHOSPHATE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；298 K；2.5M NaCl, 0.1M K/Na phosphate buffer, pH 6	Resolution 3.72 Å R-free 0.256
8CQB Cryo-EM structure of the human GBP1 dimer bound to GDP-AlF3 Deposited 2023-03-04	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–592（592 aa） Chain B 1–592（592 aa）	Not recorded	GDP GUANOSINE-5'-DIPHOSPHATE × 2 AF3 ALUMINUM FLUORIDE × 2 MG MAGNESIUM ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；5u mM HEPES pH7.4, 150 mM NaCl, 1 mM DTT, 200 uM GDP, 10 mM NaF, 300 uM AlCl3, 5 mM MgCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
8Q4L GBP1 bound by 14-3-3sigma Deposited 2023-08-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 7–583（577 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；150 mM KCl, 20 mM HEPES-KOH pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.12 Å

10 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	GBP1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 12–328； UniProt 1–317 Author chain B； PDBConstruct 12–328； UniProt 1–317

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	2b8w
Deposition date deposition_date	2005-10-10
Structure title title	Crystal-structure of the N-terminal Large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with GMP/AlF4
Keywords keywords	protein- guanine nucleotide complex, SIGNALING PROTEIN; SIGNALING PROTEIN
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	25.40 Å
Radius of gyration Rg (electron density) rg_electron	24.52 Å
Forward intensity I(0) i0	68886900.00
Molecular weight molecular_weight	66086.0 kDa
Excluded volume excluded_volume	83280 Å³
Envelope volume envelope_volume	97823 Å³
Hydration-shell volume shell_volume	32444 Å³
Envelope diameter envelope_diameter	85.7 Å
Shell Rg shell_rg	32.67 Å
Envelope Rg envelope_rg	24.71 Å
Shape Rg shape_rg	24.48 Å
Total Rg total_rg	25.53 Å
Total atoms total_atoms	4642
Residues n_residues	578
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	84.4 Å
Rg (real space) rg_real	25.34 Å
Rg uncertainty (real space) rg_real_error	0.58 Å
I(0) (real space) i0_real	6.8890e+07
I(0) uncertainty (real space) i0_real_error	9.9610e+05
Rg (reciprocal space) rg_reciprocal	25.36 Å
I(0) (reciprocal space) i0_reciprocal	68890000.0000
Solution quality estimate total_estimate	0.8747
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	29.9 Å
Skewness Skewness skewness	0.341
Kurtosis Kurtosis kurtosis	-0.186
Angular range angular_range	— – 0.3100 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	18490000.0000
Real-space data points n_real_points	63
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.806; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.951

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Interferon-induced guanylate-binding protein 1
Molecular weight formula_weight	37078.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4821

MHHHHHHMRGSMASEIHMTGPMCLIENTNGRLMANPEALKILSAITQPMVVVAIVGLYRTGKSYLMNKLAGKKKGFSLGSTVQSHTKGIWMWCVPHPKKPGHILVLLDTEGLGDVEKGDNQNDSWIFALAVLLSSTFVYNSIGTINQQAMDQLYYVTELTHRIRSKSSPDENENEVEDSADFVSFFPDFVWTLRDFSLDLEADGQPLTPDEYLTYSLKLKKGTSQKDETFNLPRLCIRKFFPKKKCFVFDRPVHRRKLAQLEKLQDEELDPEFVQQVADFCSYIFSNSKTKTLSGGIQVNGPRLESLVLTYVNAISSGDLPCMENAVL

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli BL21

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	TETRAFLUOROALUMINATE ION
Molecular weight formula_weight	103.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	GUANOSINE-5'-MONOPHOSPHATE
Molecular weight formula_weight	363.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	167

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7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2b8wa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.8 — G proteins

Domain ID domain_id	d2b8wa2
Class class	a — All alpha proteins
Fold Fold fold	a.114 — Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Superfamily Superfamily superfamily	a.114.1 — Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Family Family family	a.114.1.0 — automated matches

Domain ID domain_id	d2b8wb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.8 — G proteins

Domain ID domain_id	d2b8wb2
Class class	a — All alpha proteins
Fold Fold fold	a.114 — Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Superfamily Superfamily superfamily	a.114.1 — Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
Family Family family	a.114.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	2b8wA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	2b8wB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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8. Citations (3)

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Unit-cell length a length_a	149.617 Å
Unit-cell length b length_b	101.927 Å
Unit-cell length c length_c	54.121 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	2.220 Å
Low-resolution limit resolution_low	29.750 Å
R factor r_factor	0.1930
R_work r_work	0.1900
R_free r_free	0.2330

fit	/app/data/saxs_computation/b8/2b8w/2b8w.fit
pddf	/app/data/pr_computation/b8/2b8w/2b8w.pr.out
profile	/app/data/saxs_computation/b8/2b8w/2b8w.dat

Crystal-structure of the N-terminal Large GTPase Domain of human Guanylate Binding protein 1 (hGBP1) in complex with GMP/AlF4

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

Interferon-induced guanylate-binding protein 1

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