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- EMDB-70156: 1C5H TCR bound to R-phycoerythrin -

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Basic information

Entry
Database: EMDB / ID: EMD-70156
Title1C5H TCR bound to R-phycoerythrin
Map dataR-Phycoerythrin
Sample
  • Complex: R-phycoerythrin
    • Protein or peptide: R-phycoerythrin class I alpha subunit
    • Protein or peptide: R-phycoerythrin class I beta subunit
  • Ligand: PHYCOERYTHROBILIN
  • Ligand: PHYCOUROBILIN
KeywordsT-cell / gamma delta TCR / phycoerythrin / direct / IMMUNE SYSTEM
Function / homologyPhycobilisome, alpha/beta subunit / Phycobilisome, alpha/beta subunit superfamily / Phycobilisome protein / phycobilisome / chloroplast thylakoid membrane / photosynthesis / Globin-like superfamily / R-phycoerythrin class I beta subunit / R-phycoerythrin class I alpha subunit
Function and homology information
Biological speciesHomo sapiens (human) / Pyropia tenera (asakusa nori)
Methodsingle particle reconstruction / cryo EM / Resolution: 1.68 Å
AuthorsRashleigh L / Venugopal H / Rossjohn J / Gully BS
Funding support Australia, 1 items
OrganizationGrant numberCountry
Australian Research Council (ARC)DP230102073 Australia
CitationJournal: Structure / Year: 2025
Title: Antibody-like recognition of a gamma delta T cell receptor toward a foreign antigen
Authors: Rashleigh L / Venugopal H / Rice MT / Gunasinghe SD / Sok CL / Gherardin NA / Almeida CF / Van Rhijn I / Moody DB / Godfrey DI / Rossjohn J / Gully BS
History
DepositionApr 10, 2025-
Header (metadata) releaseAug 6, 2025-
Map releaseAug 6, 2025-
UpdateAug 6, 2025-
Current statusAug 6, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_70156.png

Downloads & links

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Map

FileDownload / File: emd_70156.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationR-Phycoerythrin
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.82 Å/pix.
x 360 pix.
= 295.2 Å		0.82 Å/pix.
x 360 pix.
= 295.2 Å		0.82 Å/pix.
x 360 pix.
= 295.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.82 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.122
Minimum - Maximum-0.39941567 - 1.6150893
Average (Standard dev.)0.00026216518 (±0.038350385)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 295.2 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_70156_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: sharpened map

Fileemd_70156_additional_1.map
Annotationsharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map A

Fileemd_70156_half_map_1.map
AnnotationHalf Map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map B

Fileemd_70156_half_map_2.map
AnnotationHalf Map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : R-phycoerythrin

EntireName: R-phycoerythrin
Components
  • Complex: R-phycoerythrin
    • Protein or peptide: R-phycoerythrin class I alpha subunit
    • Protein or peptide: R-phycoerythrin class I beta subunit
  • Ligand: PHYCOERYTHROBILIN
  • Ligand: PHYCOUROBILIN

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Supramolecule #1: R-phycoerythrin

SupramoleculeName: R-phycoerythrin / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: R-phycoerythrin class I alpha subunit

MacromoleculeName: R-phycoerythrin class I alpha subunit / type: protein_or_peptide / ID: 1 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Pyropia tenera (asakusa nori)
Molecular weightTheoretical: 17.707906 KDa
SequenceString:
MKSVITTTIS AADAAGRFPS SSDLESVQGN IQRAASRLEA AEKLAGNHEA VVKEAGDACF AKYPYLKNPG EAGDSQEKIN KCYRDIDHY MRLINYSLVV GGTGPLDEWG IAGAREVYRA LNLPGSSYIA AFVFTRDRLC VPRDMSAQAA VEFSGALDYV I NSLC

UniProtKB: R-phycoerythrin class I alpha subunit

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Macromolecule #2: R-phycoerythrin class I beta subunit

MacromoleculeName: R-phycoerythrin class I beta subunit / type: protein_or_peptide / ID: 2 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Pyropia tenera (asakusa nori)
Molecular weightTheoretical: 18.33685 KDa
SequenceString:
MLDAFSRVVV NSDSKAAYVS GSDLQALKTF IADGNKRLDA VNSIVSNASC IVSDAVSGMI CENPGLIAPG GNCYTNRRMA ACLRDGEII LRYTSYALLA GDSSVLEDRC LNGLKETYIA LGVPTNSTAR AVSIMKSSAV AFISNTAPQR KMATAAGDCS A LSSEVASY CDKVSAAI

UniProtKB: R-phycoerythrin class I beta subunit

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Macromolecule #3: PHYCOERYTHROBILIN

MacromoleculeName: PHYCOERYTHROBILIN / type: ligand / ID: 3 / Number of copies: 24 / Formula: PEB
Molecular weightTheoretical: 588.694 Da
Chemical component information

ChemComp-PEB:
PHYCOERYTHROBILIN

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Macromolecule #4: PHYCOUROBILIN

MacromoleculeName: PHYCOUROBILIN / type: ligand / ID: 4 / Number of copies: 6 / Formula: PUB
Molecular weightTheoretical: 590.71 Da
Chemical component information

ChemComp-CYB:
PHYCOUROBILIN

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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

BufferpH: 8.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.4 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 1.68 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 211282
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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