4mx7

Structure of mouse CD1d in complex with dioleoyl-phosphatidic acid

Method: X-RAY DIFFRACTION Dmax: 76.1 Å Quality: EXCELLENT

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 × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 19–297 Fragment:CD1d ectdomain, UNP residues 19-297 Beta-2-microglobulin × 1 (P01887) 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 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;20% PEG 4000, 0.2M ammonium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.24 Å R-free 0.252

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 × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 21–119 Fragment:b2M ectodomain, UNP residues 21-119 Antigen-presenting glycoprotein CD1d1 × 1 (P11609) 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 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;20% PEG 4000, 0.2M ammonium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.24 Å R-free 0.252

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 4mx7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4mx7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4mx7
Deposition date deposition_date2013-09-25
Structure title titleStructure of mouse CD1d in complex with dioleoyl-phosphatidic acid
Keywords keywordsMHC fold, antigen presentation, lipid antigen, membrane, 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_guinier24.54
Radius of gyration Rg (electron density) rg_electron23.46
Forward intensity I(0) i031952100.00
Molecular weight molecular_weight43566.0 kDa
Excluded volume excluded_volume54504 ų
Envelope volume envelope_volume67252 ų
Hydration-shell volume shell_volume24165 ų
Envelope diameter envelope_diameter77.2
Shell Rg shell_rg30.23
Envelope Rg envelope_rg23.54
Shape Rg shape_rg23.42
Total Rg total_rg24.39
Total atoms total_atoms3068
Residues n_residues368
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 dmax76.1
Rg (real space) rg_real24.51
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real3.1950e+07
I(0) uncertainty (real space) i0_real_error4.1690e+05
Rg (reciprocal space) rg_reciprocal24.52
I(0) (reciprocal space) i0_reciprocal31950000.0000
Solution quality estimate total_estimate0.9082
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.8
Skewness Skewness skewness0.299
Kurtosis Kurtosis kurtosis-0.479
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4167000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.960

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4mx7a1
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_idd4mx7a2
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_idd4mx7b_
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 (3 domains)

Domain ID domain_id4mx7A01
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_id4mx7A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id4mx7B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)