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- EMDB-49216: Local map of the CD163/Hp(1-1)Hb complex (Map I) -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-49216
TitleLocal map of the CD163/Hp(1-1)Hb complex (Map I)
Map data
Sample
  • Complex: CD163/Hp(1-1)Hb complex
KeywordsCD163 / M130 / Scavenger receptor / Haptoglobin / Hemoglobin / Hb / Hp / HpHb / Hp(1-1)Hb / hemolysis / ENDOCYTOSIS
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsHuang C-S / White JBR / Degtjarik O
Funding support United Kingdom, 2 items
OrganizationGrant numberCountry
Wellcome Trust108466/Z/15/Z United Kingdom
Wellcome Trust221524/Z/20/Z United Kingdom
CitationJournal: To Be Published
Title: Structural elucidation of the haptoglobin-hemoglobin clearance mechanism by macrophage scavenger receptor CD163
Authors: Huang C-S / Wang H / White JBR / Degtjarik O / Huynh C / Brannstrom K / Horn MT / Muench SP / Somers WS / Chaparro-Riggers J / Lin L / Mosyak L
History
DepositionFeb 13, 2025-
Header (metadata) releaseJun 18, 2025-
Map releaseJun 18, 2025-
UpdateJun 18, 2025-
Current statusJun 18, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_49216.png

Downloads & links

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Map

FileDownload / File: emd_49216.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.11 Å/pix.
x 400 pix.
= 444. Å		1.11 Å/pix.
x 400 pix.
= 444. Å		1.11 Å/pix.
x 400 pix.
= 444. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.11 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.8
Minimum - Maximum-3.5586758 - 5.532589
Average (Standard dev.)-0.0016938912 (±0.03803021)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 444.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_49216_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_49216_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_49216_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : CD163/Hp(1-1)Hb complex

EntireName: CD163/Hp(1-1)Hb complex
Components
  • Complex: CD163/Hp(1-1)Hb complex

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Supramolecule #1: CD163/Hp(1-1)Hb complex

SupramoleculeName: CD163/Hp(1-1)Hb complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#9
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 530 KDa

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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

Concentration0.1 mg/mL
BufferpH: 7.5
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Name: TFS Selectris / Energy filter - Slit width: 10 eV
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 40.6 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.4 µm / Nominal defocus min: 0.9 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 2709108
CTF correctionSoftware - Name: cryoSPARC (ver. 4.4.1) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.4.1) / Number images used: 245961
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.4.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.4.1)
FSC plot (resolution estimation)

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