8fd1

Crystal structure of photoactivated rhodopsin in complex with a nanobody

Method: X-RAY DIFFRACTION Dmax: 117.1 Å Quality: REASONABLE

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

Rhodopsin

OrganismNot specified

UniProt P02699

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 4 其他Polymer 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–348 Chain B; UniProt 1–348 Not recorded Nanobody Nb2 × 2 ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;277.15 K;25.5% PEG 600 0.1 M Tricine pH 7.8 5 mM EDTA 5 mM beta mercaptoethanol 50 mM Cyglu-4 Resolution 4.25 Å R-free 0.295

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.

74 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name OPSD_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–348; UniProt 1–348 Author chain B; PDBConstruct 1–348; UniProt 1–348

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 8fd1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8fd1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8fd1
Deposition date deposition_date2022-12-01
Structure title titleCrystal structure of photoactivated rhodopsin in complex with a nanobody
Keywords keywordsTRANSMEMBRANE PROTEIN, GPCR, NANOBODY, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.94
Radius of gyration Rg (electron density) rg_electron35.16
Forward intensity I(0) i0125823000.00
Molecular weight molecular_weight96139.0 kDa
Excluded volume excluded_volume122520 ų
Envelope volume envelope_volume152860 ų
Hydration-shell volume shell_volume36594 ų
Envelope diameter envelope_diameter117.4
Shell Rg shell_rg40.53
Envelope Rg envelope_rg35.19
Shape Rg shape_rg35.10
Total Rg total_rg35.77
Total atoms total_atoms6758
Residues n_residues840
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 dmax117.1
Rg (real space) rg_real35.91
Rg uncertainty (real space) rg_real_error1.09
I(0) (real space) i0_real1.2580e+08
I(0) uncertainty (real space) i0_real_error2.3290e+06
Rg (reciprocal space) rg_reciprocal35.94
I(0) (reciprocal space) i0_reciprocal125800000.0000
Solution quality estimate total_estimate0.6754
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary50.5
Skewness Skewness skewness0.138
Kurtosis Kurtosis kurtosis-0.752
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12850000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 0.101; Positv: 1.000; Valcen: 0.923; Smooth: 0.905

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)