3T8X | pdb_00003t8x

Crystal structure of human CD1b in complex with synthetic antigenic diacylsulfoglycolipid SGL12 and endogenous spacer


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 
    0.211 (Depositor), 0.220 (DCC) 
  • R-Value Work: 
    0.165 (Depositor), 0.173 (DCC) 
  • R-Value Observed: 
    0.167 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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Ligand Structure Quality Assessment 


This is version 2.2 of the entry. See complete history

Literature

Structural reorganization of the human CD1b Antigen-binding groove for presentation of mycobacterial sulfoglycolipids

Garcia-Alles, L.F.Collmann, A.Versluis, C.Lindner, B.Guiard, J.Maveyraud, L.Huc, E.Im, J.S.Sansano, S.Brando, T.Julien, S.Prandi, J.Gilleron, M.Porcelli, S.A.de la Salle, H.Heck, A.J.R.Mori, L.Puzo, G.Mourey, L.De Libero, G.

To be published.

Macromolecule Content 

  • Total Structure Weight: 96.73 kDa 
  • Atom Count: 6,803 
  • Modeled Residue Count: 750 
  • Deposited Residue Count: 800 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
T-cell surface glycoprotein CD1b
A, C
301Homo sapiensMutation(s): 0 
Gene Names: CD1B
UniProt & NIH Common Fund Data Resources
Find proteins for P29016 (Homo sapiens)
Explore P29016 
Go to UniProtKB:  P29016
PHAROS:  P29016
GTEx:  ENSG00000158485 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP29016
Glycosylation
Glycosylation Sites: 2Go to GlyGen: P29016-1
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Beta-2-microglobulin
B, D
99Homo sapiensMutation(s): 0 
Gene Names: B2MCDABP0092HDCMA22P
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 Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP61769
Sequence Annotations
Expand
Reference Sequence

Oligosaccharides

Help  
Entity ID: 3
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose
E, G
2N-Glycosylation
Glycosylation Resources
GlyTouCan: G86851RC
GlyCosmos: G86851RC
GlyGen: G86851RC
Entity ID: 4
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
F
5N-Glycosylation
Glycosylation Resources
GlyTouCan: G00395TQ
GlyCosmos: G00395TQ
GlyGen: G00395TQ
Entity ID: 5
MoleculeChains Length2D Diagram GlycosylationD Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose
H
3N-Glycosylation
Glycosylation Resources
GlyTouCan: G21290RB
GlyCosmos: G21290RB
GlyGen: G21290RB

Small Molecules

Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
T8X

Query on T8X



Download:Ideal Coordinates CCD File
K [auth A],
Q [auth C]
2-O-sulfo-alpha-D-glucopyranosyl 2-O-hexadecanoyl-3-O-[(2E,4S,6S,8S)-2,4,6,8-tetramethyltetracos-2-enoyl]-alpha-D-glucopyranoside
C56 H104 O16 S
NEVRXHPVRYSQOZ-ZZLYBKFXSA-N
ULI

Query on ULI



Download:Ideal Coordinates CCD File
L [auth A],
R [auth C]
tetracontane
C40 H82
KUPLEGDPSCCPJI-UHFFFAOYSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
I [auth A],
O [auth C],
P [auth C],
S [auth D],
T [auth D]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL

Query on GOL



Download:Ideal Coordinates CCD File
M [auth B],
N [auth B],
U [auth D]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT

Query on ACT



Download:Ideal Coordinates CCD File
J [auth A]ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free:  0.211 (Depositor), 0.220 (DCC) 
  • R-Value Work:  0.165 (Depositor), 0.173 (DCC) 
  • R-Value Observed: 0.167 (Depositor) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 203.25α = 90
b = 67.58β = 112.26
c = 88.19γ = 90
Software Package:
Software NamePurpose
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-10-26
    Type: Initial release
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary
  • Version 2.1: 2023-09-13
    Changes: Data collection, Database references, Refinement description, Structure summary
  • Version 2.2: 2024-10-30
    Changes: Structure summary