4MX7

Structure of mouse CD1d in complex with dioleoyl-phosphatidic acid

• PDB DOI: https://doi.org/10.2210/pdb4MX7/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2013-09-25 Released: 2014-10-01 
• Deposition Author(s): Zajonc, D.M., Wang, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free: 
  0.252 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.217 (Depositor) 

Starting Model: experimental

Literature

TBN

Wang, J., Zajonc, D.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.84 kDa 
• Atom Count: 3,183 
• Modelled Residue Count: 368 
• Deposited Residue Count: 384 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Antigen-presenting glycoprotein CD1d1	A	285	Mus musculus	Mutation(s): 0  Gene Names: Cd1.1, Cd1d1, mcd1d
UniProt & NIH Common Fund Data Resources
Find proteins for P11609 (Mus musculus) Explore P11609  Go to UniProtKB:  P11609
IMPC:  MGI:107674
Glycosylation
Glycosylation Sites: 3		Go to GlyGen: P11609-1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B	99	Mus musculus	Mutation(s): 0  Gene Names: B2m
UniProt & NIH Common Fund Data Resources
Find proteins for P01887 (Mus musculus) Explore P01887  Go to UniProtKB:  P01887
IMPC:  MGI:88127

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MX7	F [auth A]	(2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate C39 H73 O8 P MHUWZNTUIIFHAS-DSSVUWSHSA-N
NAG	D [auth A], E [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free:  0.252 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.217 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.2	α = 90
b = 106.3	β = 90
c = 107.48	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-01 
Deposition Author(s): Zajonc, D.M., Wang, J.

Revision History  

• Version 1.0: 2014-10-01
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Source and taxonomy, Structure summary
• Version 2.1: 2023-09-20
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 2.2: 2024-03-13
  Changes: Source and taxonomy, Structure summary
• Version 2.3: 2024-11-06
  Changes: Structure summary