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- EMDB-21950: Cryo-EM structure of the human chemokine receptor CCR6 in complex... -

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Basic information

Entry
Database: EMDB / ID: EMD-21950
TitleCryo-EM structure of the human chemokine receptor CCR6 in complex with CCL20 and a Go protein
Map dataChemokine receptor CCR6 in complex with CCL20 and a Go protein
Sample
  • Complex: CCR6-CCL20-Go complex
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: C-C motif chemokine 20, Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha, C-C chemokine receptor type 6,C-C chemokine receptor type 6
      • Protein or peptide: C-C motif chemokine 20
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: C-C chemokine receptor type 6,C-C chemokine receptor type 6
    • Complex: scFv16
      • Protein or peptide: scFv16
Function / homology
Function and homology information


isotype switching to IgA isotypes / DN3 thymocyte differentiation / thymocyte migration / positive regulation of flagellated sperm motility involved in capacitation / CCR6 chemokine receptor binding / Beta defensins / sperm principal piece / positive regulation of dendritic cell chemotaxis / regulation of T cell migration / T cell migration ...isotype switching to IgA isotypes / DN3 thymocyte differentiation / thymocyte migration / positive regulation of flagellated sperm motility involved in capacitation / CCR6 chemokine receptor binding / Beta defensins / sperm principal piece / positive regulation of dendritic cell chemotaxis / regulation of T cell migration / T cell migration / DN2 thymocyte differentiation / lymphocyte migration / chemokine receptor activity / CCR chemokine receptor binding / lymphocyte chemotaxis / leukocyte migration involved in inflammatory response / C-C chemokine receptor activity / C-C chemokine binding / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G alpha (z) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / vesicle docking involved in exocytosis / chemokine-mediated signaling pathway / G alpha (q) signalling events / G alpha (i) signalling events / Chemokine receptors bind chemokines / Thrombin signalling through proteinase activated receptors (PARs) / chemokine activity / alkylglycerophosphoethanolamine phosphodiesterase activity / dendritic cell chemotaxis / sperm plasma membrane / G protein-coupled dopamine receptor signaling pathway / photoreceptor outer segment membrane / regulation of heart contraction / spectrin binding / positive regulation of epithelial cell migration / plasma membrane => GO:0005886 / Interleukin-10 signaling / monocyte chemotaxis / humoral immune response / : / mu-type opioid receptor binding / photoreceptor outer segment / corticotropin-releasing hormone receptor 1 binding / sperm flagellum / positive regulation of T cell migration / cellular response to interleukin-1 / negative regulation of insulin secretion / cellular defense response / G protein-coupled serotonin receptor binding / sperm midpiece / cardiac muscle cell apoptotic process / photoreceptor inner segment / neutrophil chemotaxis / cell chemotaxis / locomotory behavior / muscle contraction / calcium-mediated signaling / electron transport chain / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / cellular response to type II interferon / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling
Similarity search - Function
CC chemokine receptor 6 / Chemokine CC, DCCL motif-cointaining domain / Chemokine receptor family / CC chemokine, conserved site / Small cytokines (intercrine/chemokine) C-C subfamily signature. / Chemokine beta/gamma/delta / Intercrine alpha family (small cytokine C-X-C) (chemokine CXC). / Chemokine interleukin-8-like domain / Chemokine interleukin-8-like superfamily / Small cytokines (intecrine/chemokine), interleukin-8 like ...CC chemokine receptor 6 / Chemokine CC, DCCL motif-cointaining domain / Chemokine receptor family / CC chemokine, conserved site / Small cytokines (intercrine/chemokine) C-C subfamily signature. / Chemokine beta/gamma/delta / Intercrine alpha family (small cytokine C-X-C) (chemokine CXC). / Chemokine interleukin-8-like domain / Chemokine interleukin-8-like superfamily / Small cytokines (intecrine/chemokine), interleukin-8 like / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / G-protein alpha subunit, group I / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(o) subunit alpha / Soluble cytochrome b562 / C-C chemokine receptor type 6 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / C-C motif chemokine 20
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat) / Homo sapiens (human) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.34 Å
AuthorsWasilko DJ / Johnson ZL / Ammirati M / Han S / Wu H
CitationJournal: Nat Commun / Year: 2020
Title: Structural basis for chemokine receptor CCR6 activation by the endogenous protein ligand CCL20.
Authors: David Jonathan Wasilko / Zachary Lee Johnson / Mark Ammirati / Ye Che / Matthew C Griffor / Seungil Han / Huixian Wu /
Abstract: Chemokines are important protein-signaling molecules that regulate various immune responses by activating chemokine receptors which belong to the G protein-coupled receptor (GPCR) superfamily. ...Chemokines are important protein-signaling molecules that regulate various immune responses by activating chemokine receptors which belong to the G protein-coupled receptor (GPCR) superfamily. Despite the substantial progression of our structural understanding of GPCR activation by small molecule and peptide agonists, the molecular mechanism of GPCR activation by protein agonists remains unclear. Here, we present a 3.3-Å cryo-electron microscopy structure of the human chemokine receptor CCR6 bound to its endogenous ligand CCL20 and an engineered Go. CCL20 binds in a shallow extracellular pocket, making limited contact with the core 7-transmembrane (TM) bundle. The structure suggests that this mode of binding induces allosterically a rearrangement of a noncanonical toggle switch and the opening of the intracellular crevice for G protein coupling. Our results demonstrate that GPCR activation by a protein agonist does not always require substantial interactions between ligand and the 7TM core region.
History
DepositionMay 9, 2020-
Header (metadata) releaseJun 24, 2020-
Map releaseJun 24, 2020-
UpdateJul 1, 2020-
Current statusJul 1, 2020Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.02
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  • Surface view with fitted model
  • Atomic models: PDB-6wwz
  • Surface level: 0.02
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_21950.png

Downloads & links

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Map

FileDownload / File: emd_21950.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationChemokine receptor CCR6 in complex with CCL20 and a Go protein
Voxel sizeX=Y=Z: 0.87 Å
Density
Contour LevelBy AUTHOR: 0.015 / Movie #1: 0.02
Minimum - Maximum-0.09133356 - 0.15065992
Average (Standard dev.)-0.00000121685 (±0.0026610754)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 334.08002 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.870.870.87
M x/y/z384384384
origin x/y/z0.0000.0000.000
length x/y/z334.080334.080334.080
α/β/γ90.00090.00090.000
start NX/NY/NZ-200-200-200
NX/NY/NZ400400400
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS384384384
D min/max/mean-0.0910.151-0.000

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Supplemental data

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Sample components

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Entire : CCR6-CCL20-Go complex

EntireName: CCR6-CCL20-Go complex
Components
  • Complex: CCR6-CCL20-Go complex
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: C-C motif chemokine 20, Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha, C-C chemokine receptor type 6,C-C chemokine receptor type 6
      • Protein or peptide: C-C motif chemokine 20
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: C-C chemokine receptor type 6,C-C chemokine receptor type 6
    • Complex: scFv16
      • Protein or peptide: scFv16

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Supramolecule #1: CCR6-CCL20-Go complex

SupramoleculeName: CCR6-CCL20-Go complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1,...

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1, #3
Source (natural)Organism: Rattus norvegicus (Norway rat)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Supramolecule #3: C-C motif chemokine 20, Guanine nucleotide-binding protein G(o) s...

SupramoleculeName: C-C motif chemokine 20, Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha, C-C chemokine receptor type 6,C-C chemokine receptor type 6
type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2, #4, #6
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Supramolecule #4: scFv16

SupramoleculeName: scFv16 / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #5
Source (natural)Organism: Mus musculus (house mouse)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Macromolecule #1: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 38.744371 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHGSL LQSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSRL LVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE LAGHTGYLSC C RFLDDNQI ...String:
MHHHHHHGSL LQSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSRL LVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE LAGHTGYLSC C RFLDDNQI VTSSGDTTCA LWDIETGQQT TTFTGHTGDV MSLSLAPDTR LFVSGACDAS AKLWDVREGM CRQTFTGHES DI NAICFFP NGNAFATGSD DATCRLFDLR ADQELMTYSH DNIICGITSV SFSKSGRLLL AGYDDFNCNV WDALKADRAG VLA GHDNRV SCLGVTDDGM AVATGSWDSF LKIWN

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Macromolecule #2: C-C motif chemokine 20

MacromoleculeName: C-C motif chemokine 20 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.043568 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
ASNFDCCLGY TDRILHPKFI VGFTRQLANE GCDINAIIFH TKKKLSVCAN PKQTWVKYIV RLLSKKVKNM

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Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 7.56375 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFC

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Macromolecule #4: Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nuc...

MacromoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha,Guanine nucleotide-binding protein G(o) subunit alpha
type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.195869 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGHHHHHHEN LYFQGTLSAE ERAALERSKA IEKNLKEDGI SAAKDVKLLL LGADNSGKST IVKQMKIIHG GSGGSGGTTG IVETHFTFK NLHFRLFDVG GQRSERKKWI HCFEDVTAII FCVDLSDYDQ VLHEDETTNR MHESLMDFDS ICNNKFFIDT S IILFLNKK ...String:
MGHHHHHHEN LYFQGTLSAE ERAALERSKA IEKNLKEDGI SAAKDVKLLL LGADNSGKST IVKQMKIIHG GSGGSGGTTG IVETHFTFK NLHFRLFDVG GQRSERKKWI HCFEDVTAII FCVDLSDYDQ VLHEDETTNR MHESLMDFDS ICNNKFFIDT S IILFLNKK DLFGEKIKKS PLTICFPEYT GPNTYEDAAA YIQAQFESKN RSPNKEIYCH MTCATDTNNA QVIFDAVTDI II ANNLRGC GLY

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Macromolecule #5: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 30.895527 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: METDTLLLWV LLLWVPGSTG DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFT ISRDDPKNTL FLQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV M TQATSSVP ...String:
METDTLLLWV LLLWVPGSTG DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFT ISRDDPKNTL FLQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV M TQATSSVP VTPGESVSIS CRSSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LE AEDVGVY YCMQHLEYPL TFGAGTKLEL KAAALEVLFQ GPHHHHHHHH

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Macromolecule #6: C-C chemokine receptor type 6,C-C chemokine receptor type 6

MacromoleculeName: C-C chemokine receptor type 6,C-C chemokine receptor type 6
type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 60.064574 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MKTIIALSYI FCLVFADYKD DDDAKLQTMG TADLEDNWET LNDNLKVIEK ADNAAQVKDA LTKMRAAALD AQKATPPKLE DKSPDSPEM KDFRHGFDIL VGQIDDALKL ANEGKVKEAQ AAAEQLKTTR NAYIQKYLGS ENLYFQGSGE SMNFSDVFDS S EDYFVSVN ...String:
MKTIIALSYI FCLVFADYKD DDDAKLQTMG TADLEDNWET LNDNLKVIEK ADNAAQVKDA LTKMRAAALD AQKATPPKLE DKSPDSPEM KDFRHGFDIL VGQIDDALKL ANEGKVKEAQ AAAEQLKTTR NAYIQKYLGS ENLYFQGSGE SMNFSDVFDS S EDYFVSVN TSYYSVDSEM LLCSLQEVRQ FSRLFVPIAY SLICVFGLLG NILVVITFAF YKKARSMTDV YLLNMAIADI LF VLTLPFW AVSHATGAWV FSNATCKLLK GIYAINFNCG MLLLTCISMD RYIAIVQATK SFRLRSRTLP RSKIICLVVW GLS VIISSS TFVFNQKYNT QGSDVCEPKY QTVSEPIRWK LLMLGLELLF GFFIPLMFMI FCYTFIVKTL VQAQNSKRHK AIRV IIAVV LVFLACQIPH NMVLLVTAAN LGKMNRSCQS EKLIGYTKTV TEVLAFLHCC LNPVLYAFIG QKFRNYFLKI LKDLW CVRR KYKSSGFSCA GRYSENISRQ TSETADNDNA SSFTMHHHHH HHHHH

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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

Concentration6.8 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
20.0 mMHEPESHEPES
100.0 mMNaClSodium Chloride
0.001 %LMNGLauryl Maltose Neopentyl Glycol
0.0002 %CHSCholesteryl Hemisuccinate
0.2 mg/mlFLAG Peptide
3.0 mMFluorinated Fos-Choline-8
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: PLASMA CLEANING
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.0 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
TemperatureMin: 80.0 K / Max: 100.0 K
Specialist opticsEnergy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Digitization - Dimensions - Width: 3838 pixel / Digitization - Dimensions - Height: 3710 pixel / Digitization - Frames/image: 1-50 / Number grids imaged: 1 / Number real images: 5303 / Average exposure time: 8.0 sec. / Average electron dose: 81.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 165000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1000382
CTF correctionSoftware - Name: CTFFIND (ver. 4.1)
Startup modelType of model: INSILICO MODEL
In silico model: Model generated in Relion 3.0.5 from subset of data
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.34 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0.5) / Number images used: 230450
Initial angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 3.0.5)
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 3.0.5)
Final 3D classificationNumber classes: 6 / Avg.num./class: 900 / Software - Name: RELION (ver. 3.0.5)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChain

6g79


6dde

chain_id: E

1m8a

chain_id: A
RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-6wwz:
Cryo-EM structure of the human chemokine receptor CCR6 in complex with CCL20 and a Go protein

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Atomic model buiding 2

Initial model
PDB IDChain

6g79


6dde

chain_id: E

1m8a

chain_id: A
RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 123.52 / Target criteria: Correlation coefficient
Output model

PDB-6wwz:
Cryo-EM structure of the human chemokine receptor CCR6 in complex with CCL20 and a Go protein

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