7sai

Crystal Structure of Lag30 Nanobody bound to eGFP

Method: X-RAY DIFFRACTION Dmax: 81.6 Å Quality: GOOD

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–238 Non-standard monomer:Yes (specific site not provided by mmCIF) LAG30 Nanobody × 1 GOL GLYCEROL × 5 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;295 K;800 mM KH2PO4/NaH2PO4, 100 mM HEPES Resolution 2.23 Å R-free 0.197

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 7sai

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7sai
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7sai
Deposition date deposition_date2021-09-22
Structure title titleCrystal Structure of Lag30 Nanobody bound to eGFP
Keywords keywordsAntibody, nanobody, affinity tag, fluorescent protein, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.76
Radius of gyration Rg (electron density) rg_electron22.94
Forward intensity I(0) i029651800.00
Molecular weight molecular_weight40502.0 kDa
Excluded volume excluded_volume50142 ų
Envelope volume envelope_volume59680 ų
Hydration-shell volume shell_volume22608 ų
Envelope diameter envelope_diameter83.8
Shell Rg shell_rg29.01
Envelope Rg envelope_rg23.26
Shape Rg shape_rg22.92
Total Rg total_rg23.74
Total atoms total_atoms2843
Residues n_residues352
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 dmax81.6
Rg (real space) rg_real23.84
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real2.9650e+07
I(0) uncertainty (real space) i0_real_error4.1250e+05
Rg (reciprocal space) rg_reciprocal23.82
I(0) (reciprocal space) i0_reciprocal29650000.0000
Solution quality estimate total_estimate0.8645
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.2
Skewness Skewness skewness0.449
Kurtosis Kurtosis kurtosis-0.281
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10560000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.788; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.887; Smooth: 0.987

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)