SAXSdb — 6ulb

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

Sex hormone-binding globulin

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 30–234	Mutation：E176K	CA CALCIUM ION × 2 QA1 Danazol × 2	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；20% PEG 3350, 0.2M potassium thiocyanate	Resolution 1.75 Å R-free 0.225

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 6ULB	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1D2S CRYSTAL STRUCTURE OF THE N-TERMINAL LAMININ G-LIKE DOMAIN OF SHBG IN COMPLEX WITH DIHYDROTESTOSTERONE Deposited 1999-09-28	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 30–211（182 aa） Fragment：RESIDUES 1 TO 205	Not recorded	CA CALCIUM ION × 4 DHT 5-ALPHA-DIHYDROTESTOSTERONE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG400, HEPES, CALCIUM CHLORIDE, DIHYDROTESTOSTERONE, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 20K	Resolution 1.55 Å R-free 0.251
1F5F CRYSTAL STRUCTURE OF THE N-TERMINAL G-DOMAIN OF SHBG IN COMPLEX WITH ZINC Deposited 2000-06-14	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 30–234（205 aa） Fragment：N-TERMINAL FRAGMENT OF SHBG (RESIDUES 1 TO 205)	Not recorded	CA CALCIUM ION × 2 ZN ZINC ION × 4 DHT 5-ALPHA-DIHYDROTESTOSTERONE × 2 IPA ISOPROPYL ALCOHOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293.15 K；Crystal growth: ISOPROPANOL, PEG400, HEPES-buffer, CaCl2, DHT Crystals were soaked with 2.5 mM ZnCl2 for three days, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K	Resolution 1.70 Å R-free 0.259
1KDK THE STRUCTURE OF THE N-TERMINAL LG DOMAIN OF SHBG IN CRYSTALS SOAKED WITH EDTA Deposited 2001-11-13	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 1–170（170 aa） Fragment：N-terminal LG-domain	Not recorded	DHT 5-ALPHA-DIHYDROTESTOSTERONE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG400, Isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.70 Å R-free 0.245
1KDM THE CRYSTAL STRUCTURE OF THE HUMAN SEX HORMONE-BINDING GLOBULIN (TETRAGONAL CRYSTAL FORM) Deposited 2001-11-13	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 1–170（170 aa） Fragment：N-terminal LG-domain	Not recorded	CA CALCIUM ION × 2 DHT 5-ALPHA-DIHYDROTESTOSTERONE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG4000, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.35 Å R-free 0.264
1LHN CRYSTAL STRUCTURE OF THE N-TERMINAL LG-DOMAIN OF SHBG IN COMPLEX WITH 5ALPHA-ANDROSTANE-3BETA,17ALPHA-DIOL Deposited 2002-04-17	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 30–218（189 aa） Fragment：LG-like 1 domain, Residues 30-218	Not recorded	CA CALCIUM ION × 2 ZN ZINC ION × 2 AON 5-ALPHA-ANDROSTANE-3-BETA,17-ALPHA-DIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；Hepes, Calcium chloride, 17a-DHA, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.00 Å R-free 0.239
1LHO CRYSTAL STRUCTURE OF THE N-TERMINAL LG-DOMAIN OF SHBG IN COMPLEX WITH 5ALPHA-ANDROSTANE-3BETA,17BETA-DIOL Deposited 2002-04-17	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 30–218（189 aa） Fragment：LG-like 1 domain, Residues 30-218	Not recorded	CA CALCIUM ION × 2 AOM 5-ALPHA-ANDROSTANE-3-BETA,17BETA-DIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；HEPES, Calcium chloride, 17b-DHA, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.00 Å R-free 0.223
1LHU CRYSTAL STRUCTURE OF THE N-TERMINAL LG-DOMAIN OF SHBG IN COMPLEX WITH ESTRADIOL Deposited 2002-04-17	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 30–218（189 aa） Fragment：LG-like 1 domain, Residues 43-218	Not recorded	CA CALCIUM ION × 2 EST ESTRADIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；HEPES, Calcium chloride, estradiol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.80 Å R-free 0.237
1LHV CRYSTAL STRUCTURE OF THE N-TERMINAL LG-DOMAIN OF SHBG IN COMPLEX WITH NORGESTREL Deposited 2002-04-17	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 30–218（189 aa） Fragment：LG-like 1 domain, Residues 30-218	Not recorded	CA CALCIUM ION × 2 ZN ZINC ION × 2 NOG 13-BETA-ETHYL-17-ALPHA-ETHYNYL-17-BETA-HYDROXYGON-4-EN-3-ONE × 2 IPA ISOPROPYL ALCOHOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；HEPES, Calcium chloride, norgestrel, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.00 Å R-free 0.264
1LHW CRYSTAL STRUCTURE OF THE N-TERMINAL LG-DOMAIN OF SHBG IN COMPLEX WITH 2-METHOXYESTRADIOL Deposited 2002-04-17	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 30–218（189 aa） Fragment：LG-like 1 domain, Residues 30-218	Not recorded	CA CALCIUM ION × 2 ESM 1,3,5(10)-ESTRATRIEN-2,3,17-BETA-TRIOL 2-METHYL ETHER × 2 IPA ISOPROPYL ALCOHOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；HEPES, Calcium chloride, 2-methoxyestradiol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 1.75 Å R-free 0.238
6PYA Sex Hormone-binding globulin mutant E176K in complex with IPI Deposited 2019-07-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 30–234（205 aa）	Mutation：E176K	P57 3-[(1H-imidazol-1-yl)methyl]-2-phenyl-1H-indole × 2 CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；20% Peg 3350, 0.2 M potassium thiocyanate, HEPES pH 7.5, 2.5 mM Calcium Chloride	Resolution 1.71 Å R-free 0.216
6PYB Sex Hormone-binding globulin mutant E176K in complex with DVT Deposited 2019-07-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 30–234（205 aa）	Mutation：E176K	P5G 4,4'-[(3R,4R)-oxolane-3,4-diylbis(methylene)]bis(2-methoxyphenol) × 2 CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；PEG 3350, Potassium thiocyanate	Resolution 1.80 Å R-free 0.231
6PYF Sex Hormone-binding globulin mutant E176K in complex with Estradiol Deposited 2019-07-29	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 30–234（205 aa）	Mutation：E176K	CA CALCIUM ION × 2 EST ESTRADIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；PEG 3350, potassium thiocyanate	Resolution 1.73 Å R-free 0.220

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SHBG_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–205； UniProt 30–234

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	6ulb
Deposition date deposition_date	2019-10-07
Structure title title	Sex Hormone-binding globulin mutant E176K in complex with Danazol
Keywords keywords	Sex Steroid Transport Binding Globulin, HORMONE; HORMONE
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	16.56 Å
Radius of gyration Rg (electron density) rg_electron	14.99 Å
Forward intensity I(0) i0	6910790.00
Molecular weight molecular_weight	19302.0 kDa
Excluded volume excluded_volume	24264 Å³
Envelope volume envelope_volume	26903 Å³
Hydration-shell volume shell_volume	14883 Å³
Envelope diameter envelope_diameter	47.2 Å
Shell Rg shell_rg	21.22 Å
Envelope Rg envelope_rg	15.19 Å
Shape Rg shape_rg	14.98 Å
Total Rg total_rg	16.16 Å
Total atoms total_atoms	1386
Residues n_residues	171
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	49.3 Å
Rg (real space) rg_real	16.39 Å
Rg uncertainty (real space) rg_real_error	0.15 Å
I(0) (real space) i0_real	6.9110e+06
I(0) uncertainty (real space) i0_real_error	5.8990e+04
Rg (reciprocal space) rg_reciprocal	16.41 Å
I(0) (reciprocal space) i0_reciprocal	6911000.0000
Solution quality estimate total_estimate	0.9025
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	22.4 Å
Skewness Skewness skewness	-0.013
Kurtosis Kurtosis kurtosis	-0.494
Angular range angular_range	— – 0.4800 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	1249000.0000
Real-space data points n_real_points	78
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.922; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.994

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Sex hormone-binding globulin
Molecular weight formula_weight	22610.7 kDa
Mutation mutation	E176K
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	1537

LRPVLPTQSAHDPPAVHLSNGPGQEPIAVMTFDLTKITKTSSSFEVRTWDPEGVIFYGDTNPKDDWFMLGLRDGRPEIQLHNHWAQLTVGAGPRLDDGRWHQVEVKMEGDSVLLEVDGEEVLRLRQVSGPLTSKRHPIMRIALGGLLFPASNLRLPLVPALDGCLRRDSWLDKQAKISASAPTSLRSCDVESNPGIFLPPGTQAE

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(DE3)

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	Danazol
Molecular weight formula_weight	337.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	137

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7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d6ulba_
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.4 — Laminin G-like module

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8. Citations (1)

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Unit-cell length a length_a	52.007 Å
Unit-cell length b length_b	52.007 Å
Unit-cell length c length_c	149.238 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 43 2 2
Space-group number int_tables_number	95
Crystal system crystal_system	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	29.572 Å
R factor r_factor	0.1877
R_work r_work	0.1839
R_free r_free	0.2252

fit	/app/data/saxs_computation/ul/6ulb/6ulb.fit
pddf	/app/data/pr_computation/ul/6ulb/6ulb.pr.out
profile	/app/data/saxs_computation/ul/6ulb/6ulb.dat

Sex Hormone-binding globulin mutant E176K in complex with Danazol

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

Sex hormone-binding globulin

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