8SGM

Crystal Structure of CD1d-lipid complexed with Beta-2-Microglobulin, TCR Alpha-Chain and TCR Beta-Chain

PDB DOI: https://doi.org/10.2210/pdb8SGM/pdb

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2023-04-12 Released: 2024-04-24
Deposition Author(s): Chan Yew Poa, K.T.O., Le Nours, J., Rossjohn, J.
Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free: 0.234
R-Value Work: 0.184
R-Value Observed: 0.187

Starting Models: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Semi-invariant human type II Natural Killer T cells recognise CD1d independently of bound lipids.

Chan Yew Poa, K.T.O., Le Nours, J., Rossjohn, J., Godfrey, D.G., Almeida, C.D.S., Pellicci, D.G., Moody, B.

To be published.

Macromolecule Content

Total Structure Weight: 96.17 kDa
Atom Count: 6,803
Modelled Residue Count: 808
Deposited Residue Count: 824
Unique protein chains: 4

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Antigen-presenting glycoprotein CD1d	A	274	Homo sapiens	Mutation(s): 0 Gene Names: CD1D
UniProt & NIH Common Fund Data Resources
Find proteins for P15813 (Homo sapiens) Explore P15813 Go to UniProtKB: P15813
PHAROS: P15813 GTEx: ENSG00000158473
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P15813
Glycosylation
Glycosylation Sites: 3	Glycosylation Focus chain A	Go to GlyGen: P15813-1
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B	100	Homo sapiens	Mutation(s): 0 Gene Names: B2M, CDABP0092, HDCMA22P
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Explore P61769 Go to UniProtKB: P61769
PHAROS: P61769 GTEx: ENSG00000166710
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P61769
Sequence Annotations Expand
Reference Sequence

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Natural killer T cell receptor TRAV26-2	C	207	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Natural killer T cell receptor TRBV19 beta chain	D	243	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

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Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	E	2		N-Glycosylation	Interactions Focus chain E Interactions & Density Focus chain E
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Entity ID: 6
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F	3		N-Glycosylation	Interactions Focus chain F Interactions & Density Focus chain F
Glycosylation Resources
GlyTouCan: G15407YE GlyCosmos: G15407YE GlyGen: G15407YE

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1AHF (Subject of Investigation/LOI) Query on A1AHF Download Ideal Coordinates CCD File SDF format, chain I [auth A] MOL2 format, chain I [auth A] mmCIF format, chain I [auth A]	I [auth A]	N-[(2S)-3-oxo-1-(beta-L-talopyranosyloxy)octadecan-2-yl]docosanamide C₄₆ H₈₉ N O₈ HKCYWBHIRZDQLD-HMGLXMNBSA-N		Interactions Focus chain I [auth A] Interactions & Density Focus chain I [auth A]
NAG Query on NAG Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth B] MOL2 format, chain J [auth A] MOL2 format, chain K [auth B] mmCIF format, chain J [auth A] mmCIF format, chain K [auth B]	J [auth A], K [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain J [auth A] Focus chain K [auth B] Interactions & Density Focus chain J [auth A] Focus chain K [auth B]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A] mmCIF format, chain H [auth A]	H [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]