3sdd

Crystal structure of autoreactive-Valpha14-Vbeta6 NKT TCR in complex with CD1d-beta-lactosylceramide

Method: X-RAY DIFFRACTION Dmax: 135.4 Å Quality: REASONABLE

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

Antigen-presenting glycoprotein CD1d1

Mus musculus

UniProt P11609

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 1 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 19–297 Fragment:extracellular domain, UNP residues 19-297 Beta-2-microglobulin × 1 (P01887) NKT TCR Valpha14 chain × 1 NKT TCR autoreactive-Vbeta6 chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 3GD N-[(2S,3R,4E)-1-{[4-O-(beta-D-galactopyranosyl)-beta-D-glucopyranosyl]oxy}-3-hydroxyoctadec-4-en-2-yl]docosanamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;16% PEG 6000, 0.1M Sodium citrate, pH 6.0, vapor diffusion, hanging drop, temperature 293K Resolution 3.00 Å R-free 0.318

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.

64 other PDB entries and 78 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CD1D1_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–279; UniProt 19–297

Beta-2-microglobulin

Mus musculus

UniProt P01887

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 1 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 21–119 Fragment:extracellular domain, UNP residues 21-119 Antigen-presenting glycoprotein CD1d1 × 1 (P11609) NKT TCR Valpha14 chain × 1 NKT TCR autoreactive-Vbeta6 chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 3GD N-[(2S,3R,4E)-1-{[4-O-(beta-D-galactopyranosyl)-beta-D-glucopyranosyl]oxy}-3-hydroxyoctadec-4-en-2-yl]docosanamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;16% PEG 6000, 0.1M Sodium citrate, pH 6.0, vapor diffusion, hanging drop, temperature 293K Resolution 3.00 Å R-free 0.318

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.

290 other PDB entries and 483 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–99; UniProt 21–119

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 3sdd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3sdd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3sdd
Deposition date deposition_date2011-06-09
Structure title titleCrystal structure of autoreactive-Valpha14-Vbeta6 NKT TCR in complex with CD1d-beta-lactosylceramide
Keywords keywordsCD1d, autoimmunity, self-recognition, NKT, 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_guinier39.84
Radius of gyration Rg (electron density) rg_electron40.32
Forward intensity I(0) i0137983000.00
Molecular weight molecular_weight93974.0 kDa
Excluded volume excluded_volume117110 ų
Envelope volume envelope_volume162690 ų
Hydration-shell volume shell_volume37250 ų
Envelope diameter envelope_diameter141.9
Shell Rg shell_rg40.36
Envelope Rg envelope_rg40.49
Shape Rg shape_rg40.34
Total Rg total_rg40.27
Total atoms total_atoms6617
Residues n_residues816
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 dmax135.4
Rg (real space) rg_real40.67
Rg uncertainty (real space) rg_real_error1.41
I(0) (real space) i0_real1.3800e+08
I(0) uncertainty (real space) i0_real_error2.5030e+06
Rg (reciprocal space) rg_reciprocal40.16
I(0) (reciprocal space) i0_reciprocal137900000.0000
Solution quality estimate total_estimate0.7383
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.9
Skewness Skewness skewness0.640
Kurtosis Kurtosis kurtosis-0.309
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14280000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.638; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.521; Smooth: 0.157

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd3sdda1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.0 — automated matches
Domain ID domain_idd3sdda2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd3sdda3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3sddb_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd3sddc1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd3sddc2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd3sddd1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd3sddd2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (7 domains)

Domain ID domain_id3sddA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily10 — MHC class I-like antigen recognition-like
Domain ID domain_id3sddA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3sddB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3sddC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3sddC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3sddD01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3sddD02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)