8iz1

Single excitation and two emissions pH sensor protein (SITE-pHorin)_C203E_pH5.0

Method: X-RAY DIFFRACTION Dmax: 57.4 Å Quality: REASONABLE

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

Green fluorescent protein

Aequorea victoria

UniProt P42212

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 2–238 Mutation:C48S, F64L, S65T, S72A, N146F, H148G, M153T, V163A, S175G, T203E, A206K, H231L 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;pH 5.5;291 K;20% PEG 6000, 100 mm MgCl2, 100 mm Citrate Acid pH 5.0 Resolution 1.66 Å R-free 0.220

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.

568 other PDB entries and 744 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GFP_AEQVI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–237; UniProt 2–238

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 8iz1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8iz1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8iz1
Deposition date deposition_date2023-04-06
Structure title titleSingle excitation and two emissions pH sensor protein (SITE-pHorin)_C203E_pH5.0
Keywords keywordsmonomer, FLUORESCENT PROTEIN; FLUORESCENT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.23
Radius of gyration Rg (electron density) rg_electron16.98
Forward intensity I(0) i011648100.00
Molecular weight molecular_weight25765.0 kDa
Excluded volume excluded_volume32328 ų
Envelope volume envelope_volume36193 ų
Hydration-shell volume shell_volume17639 ų
Envelope diameter envelope_diameter59.9
Shell Rg shell_rg23.33
Envelope Rg envelope_rg17.34
Shape Rg shape_rg16.95
Total Rg total_rg18.06
Total atoms total_atoms1821
Residues n_residues227
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 dmax57.4
Rg (real space) rg_real18.14
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real1.1650e+07
I(0) uncertainty (real space) i0_real_error1.3800e+05
Rg (reciprocal space) rg_reciprocal18.16
I(0) (reciprocal space) i0_reciprocal11650000.0000
Solution quality estimate total_estimate0.6578
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.3
Skewness Skewness skewness0.215
Kurtosis Kurtosis kurtosis-0.352
Angular range angular_range— – 0.4350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3872000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.856; Stabil: 0.999; Sysdev: 0.330; Positv: 1.000; Valcen: 0.993; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)