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- PDB-7f1q: Cryo-EM structure of the chemokine receptor CCR5 in complex with ... -

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Basic information

Entry
Database: PDB / ID: 7f1q
TitleCryo-EM structure of the chemokine receptor CCR5 in complex with MIP-1a and Gi
Components
  • C-C motif chemokine 3,C-C chemokine receptor type 5
  • Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
  • Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
  • Guanine nucleotide-binding protein G(i) subunit alpha-1
KeywordsSIGNALING PROTEIN / G Protein-coupled receptor / Chemokine Receptor CCR5 / MIP-1a
Function / homology
Function and homology information


chemokine (C-C motif) ligand 5 binding / lymphocyte chemotaxis / granulocyte chemotaxis / CCR1 chemokine receptor binding / positive regulation of microglial cell migration / positive regulation of natural killer cell chemotaxis / negative regulation of macrophage apoptotic process / astrocyte cell migration / regulation of behavior / chemokine receptor activity ...chemokine (C-C motif) ligand 5 binding / lymphocyte chemotaxis / granulocyte chemotaxis / CCR1 chemokine receptor binding / positive regulation of microglial cell migration / positive regulation of natural killer cell chemotaxis / negative regulation of macrophage apoptotic process / astrocyte cell migration / regulation of behavior / chemokine receptor activity / CCR5 chemokine receptor binding / eosinophil degranulation / CCR chemokine receptor binding / regulation of sensory perception of pain / signaling / negative regulation of bone mineralization / positive regulation of microglial cell activation / cell activation / phosphatidylinositol-4,5-bisphosphate phospholipase C activity / C-C chemokine receptor activity / T cell chemotaxis / chemokine-mediated signaling pathway / eosinophil chemotaxis / C-C chemokine binding / response to cholesterol / positive regulation of calcium ion transport / chemokine activity / Chemokine receptors bind chemokines / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / dendritic cell chemotaxis / phospholipase activator activity / positive regulation of calcium ion import / chemoattractant activity / macrophage chemotaxis / negative regulation of osteoclast differentiation / Interleukin-10 signaling / monocyte chemotaxis / exocytosis / cellular response to interleukin-1 / host-mediated suppression of viral transcription / Binding and entry of HIV virion / cellular defense response / adenylate cyclase inhibitor activity / coreceptor activity / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / neutrophil chemotaxis / cytoskeleton organization / cellular response to forskolin / positive regulation of calcium-mediated signaling / regulation of mitotic spindle organization / positive regulation of interleukin-1 beta production / cell chemotaxis / Regulation of insulin secretion / calcium-mediated signaling / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / cellular response to type II interferon / response to toxic substance / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / intracellular calcium ion homeostasis / G-protein activation / chemotaxis / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / positive regulation of inflammatory response / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / positive regulation of tumor necrosis factor production / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / antimicrobial humoral immune response mediated by antimicrobial peptide / osteoblast differentiation / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / cellular response to tumor necrosis factor / Vasopressin regulates renal water homeostasis via Aquaporins / GDP binding / calcium ion transport
Similarity search - Function
CC chemokine receptor 5 / CC chemokine, conserved site / Small cytokines (intercrine/chemokine) C-C subfamily signature. / Chemokine receptor family / : / 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 5 / CC chemokine, conserved site / Small cytokines (intercrine/chemokine) C-C subfamily signature. / Chemokine receptor family / : / 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 / OB fold (Dihydrolipoamide Acetyltransferase, E2P) - #40 / G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / 7 Propeller / Methylamine Dehydrogenase; Chain H / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / 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. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / Beta Barrel / P-loop containing nucleoside triphosphate hydrolase / Mainly Beta
Similarity search - Domain/homology
C-C motif chemokine 3 / C-C chemokine receptor type 5 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsZhang, H. / Chen, K. / Tan, Q. / Han, S. / Zhu, Y. / Zhao, Q. / Wu, B.
Funding support China, 2items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31730027 China
National Natural Science Foundation of China (NSFC)31825010 China
CitationJournal: Nat Commun / Year: 2021
Title: Structural basis for chemokine recognition and receptor activation of chemokine receptor CCR5.
Authors: Hui Zhang / Kun Chen / Qiuxiang Tan / Qiang Shao / Shuo Han / Chenhui Zhang / Cuiying Yi / Xiaojing Chu / Ya Zhu / Yechun Xu / Qiang Zhao / Beili Wu /
Abstract: The chemokine receptor CCR5 plays a vital role in immune surveillance and inflammation. However, molecular details that govern its endogenous chemokine recognition and receptor activation remain ...The chemokine receptor CCR5 plays a vital role in immune surveillance and inflammation. However, molecular details that govern its endogenous chemokine recognition and receptor activation remain elusive. Here we report three cryo-electron microscopy structures of G protein-coupled CCR5 in a ligand-free state and in complex with the chemokine MIP-1α or RANTES, as well as the crystal structure of MIP-1α-bound CCR5. These structures reveal distinct binding modes of the two chemokines and a specific accommodate pattern of the chemokine for the distal N terminus of CCR5. Together with functional data, the structures demonstrate that chemokine-induced rearrangement of toggle switch and plasticity of the receptor extracellular region are critical for receptor activation, while a conserved tryptophan residue in helix II acts as a trigger of receptor constitutive activation.
History
DepositionJun 9, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 14, 2021Provider: repository / Type: Initial release
Revision 1.1Jul 28, 2021Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Oct 30, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update

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Structure visualization

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Assembly

Deposited unit
R: C-C motif chemokine 3,C-C chemokine receptor type 5
A: Guanine nucleotide-binding protein G(i) subunit alpha-1
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
C: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2


Theoretical massNumber of molelcules
Total (without water)136,9664
Polymers136,9664
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein C-C motif chemokine 3,C-C chemokine receptor type 5 / G0/G1 switch regulatory protein 19-1 / Macrophage inflammatory protein 1-alpha / MIP-1-alpha / PAT ...G0/G1 switch regulatory protein 19-1 / Macrophage inflammatory protein 1-alpha / MIP-1-alpha / PAT 464.1 / SIS-beta / Small-inducible cytokine A3 / Tonsillar lymphocyte LD78 alpha protein / C-C CKR-5 / CC-CKR-5 / CCR-5 / CCR5 / CHEMR13 / HIV-1 fusion coreceptor


Mass: 51241.047 Da / Num. of mol.: 1 / Mutation: T15R,T112C,G259N
Source method: isolated from a genetically manipulated source
Details: Fusion protein of MIP-1a and CCR5 / Source: (gene. exp.) Homo sapiens (human) / Gene: CCL3, G0S19-1, MIP1A, SCYA3, CCR5, CMKBR5 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P10147, UniProt: P51681
#2: Protein Guanine nucleotide-binding protein G(i) subunit alpha-1 / Adenylate cyclase-inhibiting G alpha protein


Mass: 40447.141 Da / Num. of mol.: 1 / Mutation: S47C,G202T,G203A,E245A,A326S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAI1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P63096
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 37416.930 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873
#4: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7861.143 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Chemokine receptor CCR5 in complex with MIP-1a and Gi / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 2.1875 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: NONE
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 7095732 / Symmetry type: POINT
RefinementStereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 55.63 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00217279
ELECTRON MICROSCOPYf_angle_d0.54019903
ELECTRON MICROSCOPYf_chiral_restr0.03931166
ELECTRON MICROSCOPYf_plane_restr0.00281241
ELECTRON MICROSCOPYf_dihedral_angle_d17.71242478

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