5hi1

Backbone Modifications in the Protein GB1 Helix: Aib24, beta-3-Lys28, beta-3-Lys31, Aib35

Method: X-RAY DIFFRACTION Dmax: 80.7 Å Quality: EXCELLENT

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

Immunoglobulin G-binding protein G

OrganismNot specified

UniProt P19909

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
5 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain E; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
6 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain F; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
7 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain G; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252
8 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain H; UniProt 302–357 Fragment:UNP residues 302-357 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;0.2 M ammonium sulfate, 0.1M sodium acetate pH 4.5, 20% (w/v) PEG 4000 Resolution 2.15 Å R-free 0.252

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.

76 other PDB entries and 109 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPG2_STRSG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–56; UniProt 302–357 Author chain B; PDBConstruct 1–56; UniProt 302–357 Author chain C; PDBConstruct 1–56; UniProt 302–357 Author chain D; PDBConstruct 1–56; UniProt 302–357 Author chain E; PDBConstruct 1–56; UniProt 302–357 Author chain F; PDBConstruct 1–56; UniProt 302–357 Author chain G; PDBConstruct 1–56; UniProt 302–357 Author chain H; PDBConstruct 1–56; UniProt 302–357

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.

SAXS scattering curve SAXS Profile

SAXS profile for 5hi1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5hi1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5hi1
Deposition date deposition_date2016-01-11
Structure title titleBackbone Modifications in the Protein GB1 Helix: Aib24, beta-3-Lys28, beta-3-Lys31, Aib35
Keywords keywordssynthetic protein, DE NOVO PROTEIN; DE NOVO PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.03
Radius of gyration Rg (electron density) rg_electron25.16
Forward intensity I(0) i041212100.00
Molecular weight molecular_weight49452.0 kDa
Excluded volume excluded_volume61863 ų
Envelope volume envelope_volume80330 ų
Hydration-shell volume shell_volume27429 ų
Envelope diameter envelope_diameter82.8
Shell Rg shell_rg31.69
Envelope Rg envelope_rg24.87
Shape Rg shape_rg25.12
Total Rg total_rg26.09
Total atoms total_atoms3492
Residues n_residues416
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax80.7
Rg (real space) rg_real25.94
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real4.1210e+07
I(0) uncertainty (real space) i0_real_error6.2060e+05
Rg (reciprocal space) rg_reciprocal25.97
I(0) (reciprocal space) i0_reciprocal41210000.0000
Solution quality estimate total_estimate0.9043
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.1
Skewness Skewness skewness0.231
Kurtosis Kurtosis kurtosis-0.380
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4465000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.928; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.969

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id5hi1A00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1B00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1C00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1D00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1E00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1F00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1G00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10
Domain ID domain_id5hi1H00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)