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- EMDB-41660: TCR in nanodisc ND-II -

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Basic information

Entry
Database: EMDB / ID: EMD-41660
TitleTCR in nanodisc ND-II
Map dataunsharpened map
Sample
  • Complex: TCR hetero-octamer in lipid nanodisc
    • Protein or peptide: T-cell surface glycoprotein CD3 zeta chain, GFP fusion protein,GFP
    • Protein or peptide: TCR alpha
    • Protein or peptide: T cell receptor beta variable 6-5,T cell receptor beta chain MC.7.G5,MCHERRY
    • Protein or peptide: T-cell surface glycoprotein CD3 epsilon chain
    • Protein or peptide: T-cell surface glycoprotein CD3 delta chain
    • Protein or peptide: T-cell surface glycoprotein CD3 gamma chain
  • Ligand: CHOLESTEROL
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsT-cell receptor / TCR / 1G4 / nanodisc / CD3 / IMMUNE SYSTEM
Function / homology
Function and homology information


detection of tumor cell / regulation of lymphocyte apoptotic process / gamma-delta T cell receptor complex / Fc-gamma receptor III complex / T cell anergy / positive regulation of T cell anergy / positive regulation of cell-cell adhesion mediated by integrin / gamma-delta T cell activation / CD4-positive, alpha-beta T cell proliferation / negative thymic T cell selection ...detection of tumor cell / regulation of lymphocyte apoptotic process / gamma-delta T cell receptor complex / Fc-gamma receptor III complex / T cell anergy / positive regulation of T cell anergy / positive regulation of cell-cell adhesion mediated by integrin / gamma-delta T cell activation / CD4-positive, alpha-beta T cell proliferation / negative thymic T cell selection / Fc-gamma receptor signaling pathway / positive regulation of CD4-positive, alpha-beta T cell proliferation / alpha-beta T cell receptor complex / positive regulation of protein localization to cell surface / positive thymic T cell selection / signal complex assembly / Nef and signal transduction / positive regulation of cell-matrix adhesion / T cell mediated cytotoxicity directed against tumor cell target / T cell receptor complex / smoothened signaling pathway / establishment or maintenance of cell polarity / positive regulation of interleukin-4 production / protein complex oligomerization / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / dendrite development / alpha-beta T cell activation / Generation of second messenger molecules / immunological synapse / FCGR activation / PD-1 signaling / Role of phospholipids in phagocytosis / T cell receptor binding / negative regulation of smoothened signaling pathway / positive regulation of T cell proliferation / cell surface receptor protein tyrosine kinase signaling pathway / T cell costimulation / positive regulation of interleukin-2 production / positive regulation of calcium-mediated signaling / FCGR3A-mediated IL10 synthesis / cerebellum development / bioluminescence / protein tyrosine kinase binding / T cell activation / apoptotic signaling pathway / generation of precursor metabolites and energy / FCGR3A-mediated phagocytosis / calcium-mediated signaling / clathrin-coated endocytic vesicle membrane / Regulation of actin dynamics for phagocytic cup formation / SH3 domain binding / positive regulation of type II interferon production / positive regulation of peptidyl-tyrosine phosphorylation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / transmembrane signaling receptor activity / cell-cell junction / protein transport / Downstream TCR signaling / Cargo recognition for clathrin-mediated endocytosis / signaling receptor complex adaptor activity / Clathrin-mediated endocytosis / signaling receptor activity / T cell receptor signaling pathway / cell body / protein-containing complex assembly / regulation of apoptotic process / adaptive immune response / dendritic spine / cell surface receptor signaling pathway / protein heterodimerization activity / G protein-coupled receptor signaling pathway / external side of plasma membrane / negative regulation of gene expression / positive regulation of gene expression / protein kinase binding / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / identical protein binding / plasma membrane / cytosol / cytoplasm
Similarity search - Function
CD3 gamma/delta subunit, Ig-like domain / T-cell surface glycoprotein CD3 delta chain / T-cell surface glycoprotein CD3 zeta subunit / Ig-like domain on T-cell surface glycoprotein CD3 epsilon chain / CD3 protein, epsilon/gamma/delta subunit / T-cell surface glycoprotein CD3 zeta subunit/High affinity IgE receptor gamma subunit / T-cell surface glycoprotein CD3 zeta chain / Immunoreceptor tyrosine-based activation motif / Phosphorylated immunoreceptor signalling ITAM / ITAM motif mammalian type profile. ...CD3 gamma/delta subunit, Ig-like domain / T-cell surface glycoprotein CD3 delta chain / T-cell surface glycoprotein CD3 zeta subunit / Ig-like domain on T-cell surface glycoprotein CD3 epsilon chain / CD3 protein, epsilon/gamma/delta subunit / T-cell surface glycoprotein CD3 zeta subunit/High affinity IgE receptor gamma subunit / T-cell surface glycoprotein CD3 zeta chain / Immunoreceptor tyrosine-based activation motif / Phosphorylated immunoreceptor signalling ITAM / ITAM motif mammalian type profile. / Immunoreceptor tyrosine-based activation motif / : / Green fluorescent protein, GFP / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / Immunoglobulin subtype 2 / Immunoglobulin C-2 Type / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / Immunoglobulin subtype / Immunoglobulin / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold
Similarity search - Domain/homology
T cell receptor beta variable 6-5 / MCHERRY / GFP / T-cell surface glycoprotein CD3 delta chain / T-cell surface glycoprotein CD3 epsilon chain / T-cell surface glycoprotein CD3 gamma chain / T cell receptor beta chain MC.7.G5 / T-cell surface glycoprotein CD3 zeta chain
Similarity search - Component
Biological speciesHomo sapiens (human) / human respiratory syncytial virus / Escherichia coli str. K-12 substr. MG1655 (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsNotti RQ / Walz T
Funding support United States, 6 items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)T32CA9207 United States
National Institutes of Health/National Center for Advancing Translational Sciences (NIH/NCATS)KL2TR001865 United States
National Institutes of Health/National Center for Advancing Translational Sciences (NIH/NCATS)UL1TR001866 United States
Other privateBlack Family Metastasis Center United States
Shapiro-Silverberg Fund for the Advancement of Translational Research United States
The Mark FoundationWalz-Notti Aspire United States
CitationJournal: bioRxiv / Year: 2024
Title: The resting and ligand-bound states of the membrane-embedded human T-cell receptor-CD3 complex.
Authors: Ryan Q Notti / Fei Yi / Søren Heissel / Martin W Bush / Zaki Molvi / Pujita Das / Henrik Molina / Christopher A Klebanoff / Thomas Walz
Abstract: The T-cell receptor (TCR) initiates T-lymphocyte activation, but mechanistic questions remain( ). Here, we present cryogenic electron microscopy structures for the unliganded and human leukocyte ...The T-cell receptor (TCR) initiates T-lymphocyte activation, but mechanistic questions remain( ). Here, we present cryogenic electron microscopy structures for the unliganded and human leukocyte antigen (HLA)-bound human TCR-CD3 complex in nanodiscs that provide a native-like lipid environment. Distinct from the "open and extended" conformation seen in detergent( ), the unliganded TCR-CD3 in nanodiscs adopts two related "closed and compacted" conformations that represent its physiologic resting state . By contrast, the HLA-bound complex adopts the open and extended conformation, and conformation-locking disulfide mutants show that ectodomain opening is necessary for maximal ligand-dependent T-cell activation. Together, these results reveal allosteric conformational change during TCR activation and highlight the importance of native-like lipid environments for membrane protein structure determination.
History
DepositionAug 20, 2023-
Header (metadata) releaseOct 2, 2024-
Map releaseOct 2, 2024-
UpdateOct 2, 2024-
Current statusOct 2, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_41660.png

Downloads & links

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Map

FileDownload / File: emd_41660.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationunsharpened map
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
1.08 Å/pix.
x 300 pix.
= 324. Å		1.08 Å/pix.
x 300 pix.
= 324. Å		1.08 Å/pix.
x 300 pix.
= 324. Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.08 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.3
Minimum - Maximum-0.666269 - 1.7701254
Average (Standard dev.)-0.0024128065 (±0.036165066)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 324.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: B-factor sharpened

Fileemd_41660_additional_1.map
AnnotationB-factor sharpened
Projections & Slices
AxesZYX

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Histogram

Histogram (log scale)

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Additional map: unsharpened map

Fileemd_41660_additional_2.map
Annotationunsharpened map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Half map: unsharpened map

Fileemd_41660_half_map_1.map
Annotationunsharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: unsharpened map

Fileemd_41660_half_map_2.map
Annotationunsharpened map
Projections & Slices
AxesZYX

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Histogram

Histogram (log scale)

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Sample components

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Entire : TCR hetero-octamer in lipid nanodisc

EntireName: TCR hetero-octamer in lipid nanodisc
Components
  • Complex: TCR hetero-octamer in lipid nanodisc
    • Protein or peptide: T-cell surface glycoprotein CD3 zeta chain, GFP fusion protein,GFP
    • Protein or peptide: TCR alpha
    • Protein or peptide: T cell receptor beta variable 6-5,T cell receptor beta chain MC.7.G5,MCHERRY
    • Protein or peptide: T-cell surface glycoprotein CD3 epsilon chain
    • Protein or peptide: T-cell surface glycoprotein CD3 delta chain
    • Protein or peptide: T-cell surface glycoprotein CD3 gamma chain
  • Ligand: CHOLESTEROL
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: TCR hetero-octamer in lipid nanodisc

SupramoleculeName: TCR hetero-octamer in lipid nanodisc / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: T-cell surface glycoprotein CD3 zeta chain, GFP fusion protein,GFP

MacromoleculeName: T-cell surface glycoprotein CD3 zeta chain, GFP fusion protein,GFP
type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: human respiratory syncytial virus
Molecular weightTheoretical: 46.650879 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MKWKALFTAA ILQAQLPITE AQSFGLLDPK LCYLLDGILF IYGVILTALF LRVKFSRSAD APAYQQGQNQ LYNELNLGRR EEYDVLDKR RGRDPEMGGK PQRRKNPQEG LYNELQKDKM AEAYSEIGMK GERRRGKGHD GLYQGLSTAT KDTYDALHMQ A LPPRASLE ...String:
MKWKALFTAA ILQAQLPITE AQSFGLLDPK LCYLLDGILF IYGVILTALF LRVKFSRSAD APAYQQGQNQ LYNELNLGRR EEYDVLDKR RGRDPEMGGK PQRRKNPQEG LYNELQKDKM AEAYSEIGMK GERRRGKGHD GLYQGLSTAT KDTYDALHMQ A LPPRASLE VLFQGPVSKG EELFTGVVPI LVELDGDVNG HKFSVSGEGE GDATYGKLTL KFICTTGKLP VPWPTLVTTL TY GVQCFSR YPDHMKQHDF FKSAMPEGYV QERTIFFKDD GNYKTRAEVK FEGDTLVNRI ELKGIDFKED GNILGHKLEY NYN SHNVYI MADKQKNGIK VNFKIRHNIE DGSVQLADHY QQNTPIGDGP VLLPDNHYLS TQSKLSKDPN EKRDHMVLLE FVTA AGITL GMDELYK

UniProtKB: T-cell surface glycoprotein CD3 zeta chain, GFP

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Macromolecule #2: TCR alpha

MacromoleculeName: TCR alpha / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 30.388189 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: METLLGLLIL WLQLQWVSSK QEVTQIPAAL SVPEGENLVL NCSFTDSAIY NLQWFRQDPG KGLTSLLLIQ SSQREQTSGR LNASLDKSS GRSTLYIAAS QPGDSATYLC AVRPLYGGSY IPTFGRGTSL IVHPYIQNPD PAVYQLRDSK SSDKSVCLFT D FDSQTNVS ...String:
METLLGLLIL WLQLQWVSSK QEVTQIPAAL SVPEGENLVL NCSFTDSAIY NLQWFRQDPG KGLTSLLLIQ SSQREQTSGR LNASLDKSS GRSTLYIAAS QPGDSATYLC AVRPLYGGSY IPTFGRGTSL IVHPYIQNPD PAVYQLRDSK SSDKSVCLFT D FDSQTNVS QSKDSDVYIT DKTVLDMRSM DFKSNSAVAW SNKSDFACAN AFNNSIIPED TFFPSPESSC DVKLVEKSFE TD TNLNFQN LSVIGFRILL LKVAGFNLLM TLRLWSS

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Macromolecule #3: T cell receptor beta variable 6-5,T cell receptor beta chain MC.7...

MacromoleculeName: T cell receptor beta variable 6-5,T cell receptor beta chain MC.7.G5,MCHERRY
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli str. K-12 substr. MG1655 (bacteria)
Molecular weightTheoretical: 62.042883 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSIGLLCCAA LSLLWAGPVN AGVTQTPKFQ VLKTGQSMTL QCAQDMNHEY MSWYRQDPGM GLRLIHYSVG AGITDQGEVP NGYNVSRST TEDFPLRLLS AAPSQTSVYF CASSYVGNTG ELFFGEGSRL TVLEDLKNVF PPEVAVFEPS EAEISHTQKA T LVCLATGF ...String:
MSIGLLCCAA LSLLWAGPVN AGVTQTPKFQ VLKTGQSMTL QCAQDMNHEY MSWYRQDPGM GLRLIHYSVG AGITDQGEVP NGYNVSRST TEDFPLRLLS AAPSQTSVYF CASSYVGNTG ELFFGEGSRL TVLEDLKNVF PPEVAVFEPS EAEISHTQKA T LVCLATGF YPDHVELSWW VNGKEVHSGV STDPQPLKEQ PALNDSRYCL SSRLRVSATF WQNPRNHFRC QVQFYGLSEN DE WTQDRAK PVTQIVSAEA WGRADCGFTS ESYQQGVLSA TILYEILLGK ATLYAVLVSA LVLMAMVKRK DSRGASLEVL FQG PVSKGE EDNMAIIKEF MRFKVHMEGS VNGHEFEIEG EGEGRPYEGT QTAKLKVTKG GPLPFAWDIL SPQFMYGSKA YVKH PADIP DYLKLSFPEG FKWERVMNFE DGGVVTVTQD SSLQDGEFIY KVKLRGTNFP SDGPVMQKKT MGWEASSERM YPEDG ALKG EIKQRLKLKD GGHYDAEVKT TYKAKKPVQL PGAYNVNIKL DITSHNEDYT IVEQYERAEG RHSTGGMDEL YK

UniProtKB: T cell receptor beta variable 6-5, T cell receptor beta chain MC.7.G5, MCHERRY

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Macromolecule #4: T-cell surface glycoprotein CD3 epsilon chain

MacromoleculeName: T-cell surface glycoprotein CD3 epsilon chain / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.174227 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MQSGTHWRVL GLCLLSVGVW GQDGNEEMGG ITQTPYKVSI SGTTVILTCP QYPGSEILWQ HNDKNIGGDE DDKNIGSDED HLSLKEFSE LEQSGYYVCY PRGSKPEDAN FYLYLRARVC ENCMEMDVMS VATIVIVDIC ITGGLLLLVY YWSKNRKAKA K PVTRGAGA ...String:
MQSGTHWRVL GLCLLSVGVW GQDGNEEMGG ITQTPYKVSI SGTTVILTCP QYPGSEILWQ HNDKNIGGDE DDKNIGSDED HLSLKEFSE LEQSGYYVCY PRGSKPEDAN FYLYLRARVC ENCMEMDVMS VATIVIVDIC ITGGLLLLVY YWSKNRKAKA K PVTRGAGA GGRQRGQNKE RPPPVPNPDY EPIRKGQRDL YSGLNQRRI

UniProtKB: T-cell surface glycoprotein CD3 epsilon chain

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Macromolecule #5: T-cell surface glycoprotein CD3 delta chain

MacromoleculeName: T-cell surface glycoprotein CD3 delta chain / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 18.949537 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
MEHSTFLSGL VLATLLSQVS PFKIPIEELE DRVFVNCNTS ITWVEGTVGT LLSDITRLDL GKRILDPRGI YRCNGTDIYK DKESTVQVH YRMCQSCVEL DPATVAGIIV TDVIATLLLA LGVFCFAGHE TGRLSGAADT QALLRNDQVY QPLRDRDDAQ Y SHLGGNWA RNK

UniProtKB: T-cell surface glycoprotein CD3 delta chain

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Macromolecule #6: T-cell surface glycoprotein CD3 gamma chain

MacromoleculeName: T-cell surface glycoprotein CD3 gamma chain / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 21.598633 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
MEQGKGLAVL ILAIILLQGT LAQSIKGNHL VKVYDYQEDG SVLLTCDAEA KNITWFKDGK MIGFLTEDKK KWNLGSNAKD PRGMYQCKG SQNKSKPLQV YYRMCQNCIE LNAATISGFL FAEIVSIFVL AVGVYFIAGQ DGVRQSRASD KQTLLPNDQL Y QPLKDRED DQYSHLQGNQ LRRNHHHHHH HH

UniProtKB: T-cell surface glycoprotein CD3 gamma chain

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Macromolecule #8: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 8 / Number of copies: 2 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Macromolecule #9: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 9 / Number of copies: 1 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration0.330 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
150.0 mMNaClSodium Chloride
25.0 mMHEPES
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 57.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 0.0 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 64000
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 797000
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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