Sample type Serum, Plasma, Cell Culture Supernatant, Other liquid samples
Components
Break apart microtiter test strips each coated single wells
8 x 12 (96 Total)
Lyophilized Standard
2 x vial
Biotin-labeled Antibody(Concentrated, 100X)
120 uL
HRP-Streptavidin Conjugate(Concentrated, 100X)
120 uL
Washing solution concentrate (25X)
30 mL
Sample Dilution buffer
20 mL
Antibody Dilution buffer
10 mL
Streptavidin Dilution buffer
10 mL
Stopping solution
10 mL
TMB Substrate (ready-to-use)
10 mL
Plate seals
3
Storage Store at 2-8°C.
target relevance
anti-Ulocuplumab antibody Anti-drug antibodies (ADAs) generated in subjects following administration of Ulocuplumab.
Ulocuplumab Ulocuplumab biologic drug binds Homo sapiens CXCR4 C-X-C chemokine receptor type 4
Homo sapiens CXCR4 C-X-C chemokine receptor type 4
Protein names C-X-C chemokine receptor type 4
Alternative names FB22, Fusin, HM89, LCR1, Leukocyte-derived seven transmembrane domain receptor, Lipopolysaccharide-associated protein 3, NPYRL, Stromal cell-derived factor 1 receptor
Gene names CXCR4
Protein family Belongs to the G-protein coupled receptor 1 family
Function Receptor for the C-X-C chemokine CXCL12/SDF-1 that transduces a signal by increasing intracellular calcium ion levels and enhancing MAPK1/MAPK3 activation (PubMed:10074102, PubMed:10452968, PubMed:10644702, PubMed:10825158, PubMed:18799424, PubMed:20048153, PubMed:20505072, PubMed:24912431, PubMed:28978524, PubMed:8752280, PubMed:8752281). Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of downstream effectors, such as adenylate cyclase (PubMed:16725153, PubMed:17197449, PubMed:18799424, PubMed:39093700). CXCR4 is coupled to G(i) G alpha proteins and mediates inhibition of adenylate cyclase (PubMed:17197449, PubMed:39093700). Involved in the AKT signaling cascade (PubMed:24912431). Plays a role in regulation of cell migration, e.g. during wound healing (PubMed:28978524). Also acts as a receptor for extracellular ubiquitin; leading to enhanced intracellular calcium ions and reduced cellular cAMP levels (PubMed:20228059). Binds bacterial lipopolysaccharide (LPS) et mediates LPS-induced inflammatory response, including TNF secretion by monocytes (PubMed:11276205). Involved in hematopoiesis and in cardiac ventricular septum formation (By similarity). Also plays an essential role in vascularization of the gastrointestinal tract, probably by regulating vascular branching and/or remodeling processes in endothelial cells (By similarity). Involved in cerebellar development; in the CNS, could mediate hippocampal-neuron surviva (By similarity)
Subcellular location Cell membrane, Cell junction, Early endosome, Late endosome, Lysosome
Structure (Microbial infection) Interacts with Staphylococcus aureus protein SSL10
Post-translational modification Phosphorylated on agonist stimulation (PubMed:20048153, PubMed:37209686). Phosphorylation of the P-X-P-P motif promotes association with beta-arrestin ARRB1, leading to receptor desensitization and negative regulation of G-protein coupled receptor signaling (PubMed:37209686). Phosphorylation at Ser-324 and Ser-325 leads to recruitment of ITCH, ubiquitination and protein degradation (PubMed:14602072, PubMed:19116316) Ubiquitinated after ligand binding, leading to its degradation (PubMed:28978524). Ubiquitinated by ITCH at the cell membrane on agonist stimulation (PubMed:14602072, PubMed:34927784). The ubiquitin-dependent mechanism, endosomal sorting complex required for transport (ESCRT), then targets CXCR4 for lysosomal degradation. This process is dependent also on prior Ser-/Thr-phosphorylation in the C-terminal of CXCR4. Also binding of ARRB1 to STAM negatively regulates CXCR4 sorting to lysosomes though modulating ubiquitination of SFR5S Sulfation on Tyr-21 is required for efficient binding of CXCL12/SDF-1alpha and promotes its dimerization. Tyr-7 and Tyr-12 are sulfated in a sequential manner after Tyr-21 is almost fully sulfated, with the binding affinity for CXCL12/SDF-1alpha increasing with the number of sulfotyrosines present. Sulfotyrosines Tyr-7 and Tyr-12 occupy clefts on opposing CXCL12 subunits, thus bridging the CXCL12 dimer interface and promoting CXCL12 dimerization O- and N-glycosylated. Asn-11 is the principal site of N-glycosylation. There appears to be very little or no glycosylation on Asn-176. N-glycosylation masks coreceptor function in both X4 and R5 laboratory-adapted and primary HIV-1 strains through inhibiting interaction with their Env glycoproteins. The O-glycosylation chondroitin sulfate attachment does not affect interaction with CXCL12/SDF-1alpha nor its coreceptor activity
Involvement in disease WHIM syndrome 1 An autosomal dominant immunologic disease characterized by neutropenia, hypogammaglobulinemia and extensive human papillomavirus (HPV) infection. Despite the peripheral neutropenia, bone marrow aspirates from affected individuals contain abundant mature myeloid cells, a condition termed myelokathexis.
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Published literature highly relevant to the biological target of this product and referencing this antibody or clone are retrieved from the PubMed database provided by the United States National Library of Medicine at the National Institutes of Health.
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