2jsv

Dipole tensor-based refinement for atomic-resolution structure determination of a nanocrystalline protein by solid-state NMR spectroscopy

Method: SOLID-STATE NMR Dmax: 39.9 Å Quality: REASONABLE

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

Immunoglobulin G-binding protein G

;Streptococcus sp. 'group G' ;

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 X; UniProt 303–357 Fragment:2-1 repeat Mutation:T2Q No other associated polymer SOLID-STATE NMR NMR measurement conditions:pH 5.5;281 K;Pressure ambient NMR sample composition:14 mg/mL [U-99% 13C; U-99% 15N] protein, (4R)-2-Metylpentane-2,4-Diol (50% v/v), Isopropyl alcohol (25% v/v), 25 mg/mL GB1 in 50 mM sodium phosphate buffered H2O | H2O NMR sample composition:14 mg/mL [U-99% 15N] protein, (4R)-2-Metylpentane-2,4-Diol (50% v/v), Isopropyl alcohol (25% v/v), 25 mg/mL GB1 in 50 mM sodium phosphate buffered H2O | H2O NMR sample composition:14 mg/mL [U-100% 13C; U-100% 15N] protein, (4R)-2-Metylpentane-2,4-Diol (50% v/v), Isopropyl alcohol (25% v/v), 25 mg/mL GB1 in 50 mM sodium phosphate buffered H2O | H2O NMR sample composition:14 mg/mL (1,3) 13C glycerol, U15N protein, (4R)-2-Metylpentane-2,4-Diol (50% v/v), Isopropyl alcohol (25% v/v), 25 mg/mL GB1 in 50 mM sodium phosphate buffered H2O | H2O NMR sample composition:14 mg/mL 2 13C glycerol, Uniform 15N protein, (4R)-2-Metylpentane-2,4-Diol (50% v/v), Isopropyl alcohol (25% v/v), 25 mg/mL GB1 in 50 mM sodium phosphate buffered H2O | H2O Resolution not provided

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 116 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 X; PDBConstruct 2–56; UniProt 303–357

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 2jsv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2jsv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2jsv
Deposition date deposition_date2007-07-16
Structure title titleDipole tensor-based refinement for atomic-resolution structure determination of a nanocrystalline protein by solid-state NMR spectroscopy
Keywords keywordsSSNMR, GB1, tensor refinement, Cell wall, IgG-binding protein, Peptidoglycan-anchor, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodSOLID-STATE NMR

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

Radius of gyration Rg (Guinier) rg_guinier11.08
Radius of gyration Rg (electron density) rg_electron10.86
Forward intensity I(0) i057578100.00
Molecular weight molecular_weight62188.0 kDa
Excluded volume excluded_volume77324 ų
Envelope volume envelope_volume10959 ų
Hydration-shell volume shell_volume8450 ų
Envelope diameter envelope_diameter39.6
Shell Rg shell_rg16.73
Envelope Rg envelope_rg11.79
Shape Rg shape_rg10.79
Total Rg total_rg11.36
Total atoms total_atoms8570
Residues n_residues560
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 dmax39.9
Rg (real space) rg_real11.03
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real5.7580e+07
I(0) uncertainty (real space) i0_real_error6.3520e+05
Rg (reciprocal space) rg_reciprocal11.03
I(0) (reciprocal space) i0_reciprocal57580000.0000
Solution quality estimate total_estimate0.7466
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary13.6
Skewness Skewness skewness0.116
Kurtosis Kurtosis kurtosis-0.424
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha47900.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.574; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2jsvX00
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)