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8U4S

Structure of trimeric CXCR4 in complex with REGN7663 Fab

Functional Information from GO Data
ChainGOidnamespacecontents
C0001618molecular_functionvirus receptor activity
C0001666biological_processresponse to hypoxia
C0002407biological_processdendritic cell chemotaxis
C0003779molecular_functionactin binding
C0004930molecular_functionG protein-coupled receptor activity
C0005515molecular_functionprotein binding
C0005737cellular_componentcytoplasm
C0005764cellular_componentlysosome
C0005769cellular_componentearly endosome
C0005770cellular_componentlate endosome
C0005886cellular_componentplasma membrane
C0006091biological_processgeneration of precursor metabolites and energy
C0006915biological_processapoptotic process
C0006954biological_processinflammatory response
C0006955biological_processimmune response
C0007165biological_processsignal transduction
C0007186biological_processG protein-coupled receptor signaling pathway
C0007193biological_processadenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
C0007204biological_processpositive regulation of cytosolic calcium ion concentration
C0007420biological_processbrain development
C0008218biological_processbioluminescence
C0009615biological_processresponse to virus
C0009897cellular_componentexternal side of plasma membrane
C0009986cellular_componentcell surface
C0015026molecular_functioncoreceptor activity
C0016020cellular_componentmembrane
C0016477biological_processcell migration
C0016493molecular_functionC-C chemokine receptor activity
C0016494molecular_functionC-X-C chemokine receptor activity
C0019722biological_processcalcium-mediated signaling
C0019955molecular_functioncytokine binding
C0019957molecular_functionC-C chemokine binding
C0022008biological_processneurogenesis
C0030155biological_processregulation of cell adhesion
C0030334biological_processregulation of cell migration
C0030335biological_processpositive regulation of cell migration
C0031252cellular_componentcell leading edge
C0031410cellular_componentcytoplasmic vesicle
C0031625molecular_functionubiquitin protein ligase binding
C0032027molecular_functionmyosin light chain binding
C0032991cellular_componentprotein-containing complex
C0038147molecular_functionC-X-C motif chemokine 12 receptor activity
C0038160biological_processCXCL12-activated CXCR4 signaling pathway
C0043130molecular_functionubiquitin binding
C0043217biological_processmyelin maintenance
C0046718biological_processsymbiont entry into host cell
C0048714biological_processpositive regulation of oligodendrocyte differentiation
C0060326biological_processcell chemotaxis
C0070062cellular_componentextracellular exosome
C0070098biological_processchemokine-mediated signaling pathway
C0070161cellular_componentanchoring junction
C0071345biological_processcellular response to cytokine stimulus
C0120162biological_processpositive regulation of cold-induced thermogenesis
C1904018biological_processpositive regulation of vasculature development
C2000448biological_processpositive regulation of macrophage migration inhibitory factor signaling pathway
G0001618molecular_functionvirus receptor activity
G0001666biological_processresponse to hypoxia
G0002407biological_processdendritic cell chemotaxis
G0003779molecular_functionactin binding
G0004930molecular_functionG protein-coupled receptor activity
G0005515molecular_functionprotein binding
G0005737cellular_componentcytoplasm
G0005764cellular_componentlysosome
G0005769cellular_componentearly endosome
G0005770cellular_componentlate endosome
G0005886cellular_componentplasma membrane
G0006091biological_processgeneration of precursor metabolites and energy
G0006915biological_processapoptotic process
G0006954biological_processinflammatory response
G0006955biological_processimmune response
G0007165biological_processsignal transduction
G0007186biological_processG protein-coupled receptor signaling pathway
G0007193biological_processadenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
G0007204biological_processpositive regulation of cytosolic calcium ion concentration
G0007420biological_processbrain development
G0008218biological_processbioluminescence
G0009615biological_processresponse to virus
G0009897cellular_componentexternal side of plasma membrane
G0009986cellular_componentcell surface
G0015026molecular_functioncoreceptor activity
G0016020cellular_componentmembrane
G0016477biological_processcell migration
G0016493molecular_functionC-C chemokine receptor activity
G0016494molecular_functionC-X-C chemokine receptor activity
G0019722biological_processcalcium-mediated signaling
G0019955molecular_functioncytokine binding
G0019957molecular_functionC-C chemokine binding
G0022008biological_processneurogenesis
G0030155biological_processregulation of cell adhesion
G0030334biological_processregulation of cell migration
G0030335biological_processpositive regulation of cell migration
G0031252cellular_componentcell leading edge
G0031410cellular_componentcytoplasmic vesicle
G0031625molecular_functionubiquitin protein ligase binding
G0032027molecular_functionmyosin light chain binding
G0032991cellular_componentprotein-containing complex
G0038147molecular_functionC-X-C motif chemokine 12 receptor activity
G0038160biological_processCXCL12-activated CXCR4 signaling pathway
G0043130molecular_functionubiquitin binding
G0043217biological_processmyelin maintenance
G0046718biological_processsymbiont entry into host cell
G0048714biological_processpositive regulation of oligodendrocyte differentiation
G0060326biological_processcell chemotaxis
G0070062cellular_componentextracellular exosome
G0070098biological_processchemokine-mediated signaling pathway
G0070161cellular_componentanchoring junction
G0071345biological_processcellular response to cytokine stimulus
G0120162biological_processpositive regulation of cold-induced thermogenesis
G1904018biological_processpositive regulation of vasculature development
G2000448biological_processpositive regulation of macrophage migration inhibitory factor signaling pathway
R0001618molecular_functionvirus receptor activity
R0001666biological_processresponse to hypoxia
R0002407biological_processdendritic cell chemotaxis
R0003779molecular_functionactin binding
R0004930molecular_functionG protein-coupled receptor activity
R0005515molecular_functionprotein binding
R0005737cellular_componentcytoplasm
R0005764cellular_componentlysosome
R0005769cellular_componentearly endosome
R0005770cellular_componentlate endosome
R0005886cellular_componentplasma membrane
R0006091biological_processgeneration of precursor metabolites and energy
R0006915biological_processapoptotic process
R0006954biological_processinflammatory response
R0006955biological_processimmune response
R0007165biological_processsignal transduction
R0007186biological_processG protein-coupled receptor signaling pathway
R0007193biological_processadenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
R0007204biological_processpositive regulation of cytosolic calcium ion concentration
R0007420biological_processbrain development
R0008218biological_processbioluminescence
R0009615biological_processresponse to virus
R0009897cellular_componentexternal side of plasma membrane
R0009986cellular_componentcell surface
R0015026molecular_functioncoreceptor activity
R0016020cellular_componentmembrane
R0016477biological_processcell migration
R0016493molecular_functionC-C chemokine receptor activity
R0016494molecular_functionC-X-C chemokine receptor activity
R0019722biological_processcalcium-mediated signaling
R0019955molecular_functioncytokine binding
R0019957molecular_functionC-C chemokine binding
R0022008biological_processneurogenesis
R0030155biological_processregulation of cell adhesion
R0030334biological_processregulation of cell migration
R0030335biological_processpositive regulation of cell migration
R0031252cellular_componentcell leading edge
R0031410cellular_componentcytoplasmic vesicle
R0031625molecular_functionubiquitin protein ligase binding
R0032027molecular_functionmyosin light chain binding
R0032991cellular_componentprotein-containing complex
R0038147molecular_functionC-X-C motif chemokine 12 receptor activity
R0038160biological_processCXCL12-activated CXCR4 signaling pathway
R0043130molecular_functionubiquitin binding
R0043217biological_processmyelin maintenance
R0046718biological_processsymbiont entry into host cell
R0048714biological_processpositive regulation of oligodendrocyte differentiation
R0060326biological_processcell chemotaxis
R0070062cellular_componentextracellular exosome
R0070098biological_processchemokine-mediated signaling pathway
R0070161cellular_componentanchoring junction
R0071345biological_processcellular response to cytokine stimulus
R0120162biological_processpositive regulation of cold-induced thermogenesis
R1904018biological_processpositive regulation of vasculature development
R2000448biological_processpositive regulation of macrophage migration inhibitory factor signaling pathway
Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. SSVlILAFISLDRYLaI
ChainResidueDetails
RSER122-ILE138

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH
ChainResidueDetails
LTYR197-HIS203
HTYR207-HIS213

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues72
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues180
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues63
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues150
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues57
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues57
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues60
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues57
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues57
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues9
DetailsRegion: {"description":"Chemokine binding","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10825158","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues12
DetailsRegion: {"description":"Chemokine binding"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues36
DetailsRegion: {"description":"Involved in dimerization; when bound to chemokine"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues12
DetailsRegion: {"description":"Chemokine binding, important for signaling and HIV-1 coreceptor activity"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues63
DetailsRegion: {"description":"Involved in dimerization"}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues6
DetailsMotif: {"description":"Important for signaling"}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues3
DetailsSite: {"description":"Chemokine binding"}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues3
DetailsSite: {"description":"Chemokine binding","evidences":[{"source":"PubMed","id":"20929726","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"10825158","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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