6wp2

The Crystal Structure of Apo Zinc-Bound Domain Swapped-Trimer Q108K:K40D:T53A:R58L:Q38F:Q4F:F57H Variant of HCRBPII

Method: X-RAY DIFFRACTION Dmax: 71.1 Å Quality: EXCELLENT

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 2–134 Chain B; UniProt 2–134 Chain C; UniProt 2–134 Mutation:Q108K, K40D, T53A, R58L, Q38F, Q4F, F57H ZN ZINC ION × 6 GOL GLYCEROL × 5 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;ammonium iodide, PEG 3350 Resolution 2.48 Å R-free 0.312

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 1–133; UniProt 2–134 Author chain B; PDBConstruct 1–133; UniProt 2–134 Author chain C; PDBConstruct 1–133; UniProt 2–134

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 6wp2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6wp2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6wp2
Deposition date deposition_date2020-04-26
Structure title titleThe Crystal Structure of Apo Zinc-Bound Domain Swapped-Trimer Q108K:K40D:T53A:R58L:Q38F:Q4F:F57H Variant of HCRBPII
Keywords keywordsiLBP, 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_guinier24.74
Radius of gyration Rg (electron density) rg_electron23.88
Forward intensity I(0) i038729600.00
Molecular weight molecular_weight46684.0 kDa
Excluded volume excluded_volume57814 ų
Envelope volume envelope_volume71660 ų
Hydration-shell volume shell_volume25489 ų
Envelope diameter envelope_diameter72.8
Shell Rg shell_rg30.52
Envelope Rg envelope_rg23.66
Shape Rg shape_rg23.96
Total Rg total_rg24.45
Total atoms total_atoms3267
Residues n_residues399
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 dmax71.1
Rg (real space) rg_real24.61
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real3.8730e+07
I(0) uncertainty (real space) i0_real_error4.5790e+05
Rg (reciprocal space) rg_reciprocal24.65
I(0) (reciprocal space) i0_reciprocal38730000.0000
Solution quality estimate total_estimate0.9176
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.1
Skewness Skewness skewness0.117
Kurtosis Kurtosis kurtosis-0.697
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6967000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.993; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.946

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6wp2a_
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_idd6wp2b_
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_idd6wp2c_
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

8. Citations (1)

9. Files and Curves (10)