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- PDB-9mej: Global structure of hCXCR4 and HIV-2 gp120 -

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Basic information

Entry
Database: PDB / ID: 9mej
TitleGlobal structure of hCXCR4 and HIV-2 gp120
Components
  • C-X-C chemokine receptor type 4
  • gp120
KeywordsSIGNALING PROTEIN / HIV-2 / gp120 / CXCR4 / receptor
Function / homology
Function and homology information


C-X-C motif chemokine 12 receptor activity / positive regulation of macrophage migration inhibitory factor signaling pathway / Specification of primordial germ cells / CXCL12-activated CXCR4 signaling pathway / myosin light chain binding / myelin maintenance / C-X-C chemokine receptor activity / positive regulation of vasculature development / Signaling by ROBO receptors / regulation of chemotaxis ...C-X-C motif chemokine 12 receptor activity / positive regulation of macrophage migration inhibitory factor signaling pathway / Specification of primordial germ cells / CXCL12-activated CXCR4 signaling pathway / myosin light chain binding / myelin maintenance / C-X-C chemokine receptor activity / positive regulation of vasculature development / Signaling by ROBO receptors / regulation of chemotaxis / Formation of definitive endoderm / C-C chemokine receptor activity / membrane fusion involved in viral entry into host cell / C-C chemokine binding / Developmental Lineage of Pancreatic Acinar Cells / Chemokine receptors bind chemokines / anchoring junction / dendritic cell chemotaxis / cellular response to cytokine stimulus / cell leading edge / positive regulation of oligodendrocyte differentiation / Binding and entry of HIV virion / regulation of cell adhesion / coreceptor activity / neurogenesis / host cell endosome membrane / ubiquitin binding / cell chemotaxis / calcium-mediated signaling / G protein-coupled receptor activity / brain development / response to virus / late endosome / positive regulation of cold-induced thermogenesis / actin binding / virus receptor activity / positive regulation of cytosolic calcium ion concentration / cytoplasmic vesicle / G alpha (i) signalling events / early endosome / response to hypoxia / lysosome / immune response / positive regulation of cell migration / G protein-coupled receptor signaling pathway / inflammatory response / external side of plasma membrane / ubiquitin protein ligase binding / apoptotic process / viral envelope / symbiont entry into host cell / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / cell surface / protein-containing complex / extracellular exosome / membrane / plasma membrane / cytoplasm
Similarity search - Function
CXC chemokine receptor 4 N-terminal domain / CXCR4 Chemokine receptor N terminal / CXC chemokine receptor 4/atypical chemokine receptor 2 / Chemokine receptor family / : / Retroviral envelope protein / Retroviral envelope protein GP41-like / Gp120 core superfamily / Envelope glycoprotein GP120 / Human immunodeficiency virus 1, envelope glycoprotein Gp120 ...CXC chemokine receptor 4 N-terminal domain / CXCR4 Chemokine receptor N terminal / CXC chemokine receptor 4/atypical chemokine receptor 2 / Chemokine receptor family / : / Retroviral envelope protein / Retroviral envelope protein GP41-like / Gp120 core superfamily / Envelope glycoprotein GP120 / Human immunodeficiency virus 1, envelope glycoprotein Gp120 / 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)
Similarity search - Domain/homology
Envelope glycoprotein gp160 / C-X-C chemokine receptor type 4
Similarity search - Component
Biological speciesHomo sapiens (human)
Human immunodeficiency virus 2
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.99 Å
AuthorsZhang, Z. / Patel, D.J.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)P30CA008748 United States
CitationJournal: To Be Published
Title: Global structure of hCXCR4 and HIV-2 gp120
Authors: Zhang, Z. / Patel, D.J.
History
DepositionDec 6, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 10, 2025Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: C-X-C chemokine receptor type 4
B: C-X-C chemokine receptor type 4
C: C-X-C chemokine receptor type 4
D: C-X-C chemokine receptor type 4
E: gp120


Theoretical massNumber of molelcules
Total (without water)218,4275
Polymers218,4275
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
C-X-C chemokine receptor type 4 / CXC-R4 / CXCR-4 / FB22 / Fusin / HM89 / LCR1 / Leukocyte-derived seven transmembrane domain ...CXC-R4 / CXCR-4 / FB22 / Fusin / HM89 / LCR1 / Leukocyte-derived seven transmembrane domain receptor / LESTR / Lipopolysaccharide-associated protein 3 / LAP-3 / LPS-associated protein 3 / NPYRL / Stromal cell-derived factor 1 receptor / SDF-1 receptor


Mass: 40784.359 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CXCR4 / Production host: Homo sapiens (human) / References: UniProt: P61073
#2: Protein gp120


Mass: 55289.422 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 2 / Gene: env / Production host: Homo sapiens (human) / References: UniProt: B2LT42
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: Global structure of hCXCR4-HIV2_gp120 complex / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
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: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: DIFFRACTION / Nominal defocus max: 2200 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 60.21 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.20.1_4487 / Category: model refinement
CTF correctionType: NONE
3D reconstructionResolution: 3.99 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 38914 / Symmetry type: POINT
RefinementHighest resolution: 3.99 Å
Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS)
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00512474
ELECTRON MICROSCOPYf_angle_d1.24616978
ELECTRON MICROSCOPYf_dihedral_angle_d5.8481617
ELECTRON MICROSCOPYf_chiral_restr0.0661939
ELECTRON MICROSCOPYf_plane_restr0.0082082

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