7jx2

Cellular retinol-binding protein 2 (CRBP2) in complex with 2-palmitoylglycerol

Method: X-RAY DIFFRACTION Dmax: 48.9 Å Quality: GOOD

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

Retinol-binding protein 2

Homo sapiens

UniProt P50120

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 1–134 Not recorded VLP 1,3-dihydroxypropan-2-yl hexadecanoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;293 K;0.1 M Tris HCl, PEG 3350 22-28% Resolution 1.80 Å R-free 0.256

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.

101 other PDB entries and 200 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RET2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–134; UniProt 1–134

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 7jx2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7jx2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7jx2
Deposition date deposition_date2020-08-26
Structure title titleCellular retinol-binding protein 2 (CRBP2) in complex with 2-palmitoylglycerol
Keywords keywordspalmitoylglycerol, monoacylglycerol, retinol-binding protein, lipid binding, LIPID BINDING PROTEIN; LIPID BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.49
Radius of gyration Rg (electron density) rg_electron14.23
Forward intensity I(0) i05110740.00
Molecular weight molecular_weight16130.0 kDa
Excluded volume excluded_volume20176 ų
Envelope volume envelope_volume22447 ų
Hydration-shell volume shell_volume13239 ų
Envelope diameter envelope_diameter48.7
Shell Rg shell_rg20.20
Envelope Rg envelope_rg14.53
Shape Rg shape_rg14.21
Total Rg total_rg15.49
Total atoms total_atoms1134
Residues n_residues135
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 dmax48.9
Rg (real space) rg_real15.38
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real5.1110e+06
I(0) uncertainty (real space) i0_real_error6.3110e+04
Rg (reciprocal space) rg_reciprocal15.39
I(0) (reciprocal space) i0_reciprocal5111000.0000
Solution quality estimate total_estimate0.8886
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.8
Skewness Skewness skewness0.099
Kurtosis Kurtosis kurtosis-0.396
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1080000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.868; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.955

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd7jx2a1
Class classb — All beta proteins
Fold Fold foldb.60 — Lipocalins
Superfamily Superfamily superfamilyb.60.1 — Lipocalins
Family Family familyb.60.1.2 — Fatty acid binding protein-like
Domain ID domain_idd7jx2a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

8. Citations (1)

9. Files and Curves (10)