8kig

Cryo-EM structure of MC3R in complex with SHU9119

Method: ELECTRON MICROSCOPY Dmax: 71.6 Å Quality: REASONABLE

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

Soluble cytochrome b562,Melanocortin receptor 3,GlgA glycogen synthase,Fusion protein

synthetic construct

UniProt P0ABE7

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 PDB declaration: dimeric(2) Consistent with protein copy count Chain R; UniProt 23–127 Not recorded SHU9119 × 1 CA CALCIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 Å

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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain R; PDBConstruct 11–115; UniProt 23–127

Soluble cytochrome b562,Melanocortin receptor 3,GlgA glycogen synthase,Fusion protein

synthetic construct

UniProt P41968

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 PDB declaration: dimeric(2) Consistent with protein copy count Chain R; UniProt 2–214 Not recorded SHU9119 × 1 CA CALCIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 Å

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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MC3R_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain R; PDBConstruct 123–335; UniProt 2–214

Soluble cytochrome b562,Melanocortin receptor 3,GlgA glycogen synthase,Fusion protein

synthetic construct

UniProt Q9V2J8

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 PDB declaration: dimeric(2) Consistent with protein copy count Chain R; UniProt 218–413 Not recorded SHU9119 × 1 CA CALCIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 Å

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.

37 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q9V2J8_PYRAB
Isoform
PDB entities 1
Chains and sequence ranges Author chain R; PDBConstruct 336–531; UniProt 218–413

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 8kig

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8kig
Deposition date deposition_date2023-08-23
Structure title titleCryo-EM structure of MC3R in complex with SHU9119
Keywords keywordsalpha-MSH, MC3R, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier21.36
Radius of gyration Rg (electron density) rg_electron20.28
Forward intensity I(0) i013075500.00
Molecular weight molecular_weight30072.0 kDa
Excluded volume excluded_volume38972 ų
Envelope volume envelope_volume46369 ų
Hydration-shell volume shell_volume19548 ų
Envelope diameter envelope_diameter73.2
Shell Rg shell_rg26.43
Envelope Rg envelope_rg20.78
Shape Rg shape_rg20.29
Total Rg total_rg21.26
Total atoms total_atoms2104
Residues n_residues263
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 dmax71.6
Rg (real space) rg_real21.35
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real1.3080e+07
I(0) uncertainty (real space) i0_real_error1.8200e+05
Rg (reciprocal space) rg_reciprocal21.36
I(0) (reciprocal space) i0_reciprocal13080000.0000
Solution quality estimate total_estimate0.7177
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary69.5
Skewness Skewness skewness0.342
Kurtosis Kurtosis kurtosis-0.298
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1495000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.833; Stabil: 1.000; Sysdev: 0.281; Positv: 1.000; Valcen: 0.983; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)