4wvi

Crystal structure of the Type-I signal peptidase from Staphylococcus aureus (SpsB) in complex with a substrate peptide (pep2).

Method: X-RAY DIFFRACTION Dmax: 91.3 Å Quality: GOOD

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

Maltose-binding periplasmic protein,Signal peptidase IB

Staphylococcus aureus subsp. aureus str. Newman

UniProt P0AEY0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 33–392 Fragment:unp residues 33-393, unp residues 26-175 Mutation:K143G, Q78C, R393N substrate peptide (pep2) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH MODE;290 K;12 % PEG 8000, 20 % ethylene glycol, 100 mM sodium acetate pH 5.3 - 5.5 Resolution 1.90 Å R-free 0.219

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.

109 other PDB entries and 148 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECO57
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 13–372; UniProt 33–392

Maltose-binding periplasmic protein,Signal peptidase IB

Staphylococcus aureus subsp. aureus str. Newman

UniProt Q5HHB9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 26–175 Fragment:unp residues 33-393, unp residues 26-175 Mutation:K143G, Q78C, R393N substrate peptide (pep2) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH MODE;290 K;12 % PEG 8000, 20 % ethylene glycol, 100 mM sodium acetate pH 5.3 - 5.5 Resolution 1.90 Å R-free 0.219

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.

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LEP_STAAC
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 377–526; UniProt 26–175

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 4wvi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4wvi
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4wvi
Deposition date deposition_date2014-11-05
Structure title titleCrystal structure of the Type-I signal peptidase from Staphylococcus aureus (SpsB) in complex with a substrate peptide (pep2).
Keywords keywordsSpsB Type-I signal peptidase, Peptide complex, Cell secretion, MBP fusion, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.31
Radius of gyration Rg (electron density) rg_electron27.61
Forward intensity I(0) i053459300.00
Molecular weight molecular_weight57975.0 kDa
Excluded volume excluded_volume72905 ų
Envelope volume envelope_volume91324 ų
Hydration-shell volume shell_volume28894 ų
Envelope diameter envelope_diameter92.1
Shell Rg shell_rg33.30
Envelope Rg envelope_rg27.44
Shape Rg shape_rg27.60
Total Rg total_rg28.25
Total atoms total_atoms4097
Residues n_residues531
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 dmax91.3
Rg (real space) rg_real28.40
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real5.3460e+07
I(0) uncertainty (real space) i0_real_error7.6010e+05
Rg (reciprocal space) rg_reciprocal28.38
I(0) (reciprocal space) i0_reciprocal53460000.0000
Solution quality estimate total_estimate0.8902
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary27.7
Skewness Skewness skewness0.376
Kurtosis Kurtosis kurtosis-0.496
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha14900000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.908; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.943; Smooth: 0.901

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)