Recombinant Human Sodium-dependent phosphate transport protein 2B (SLC34A2), partial

Code CSB-YP021581HU
Size $250
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Greater than 90% as determined by SDS-PAGE.
Target Names
Uniprot No.
Research Area
Signal Transduction
Alternative Names
SLC34A2; Sodium-dependent phosphate transport protein 2B; Sodium-phosphate transport protein 2B; Na(+)-dependent phosphate cotransporter 2B; NaPi3b; Sodium/phosphate cotransporter 2B; Na(+)/Pi cotransporter 2B; NaPi-2b; Solute carrier family 34 member 2
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
Protein Length
Tag Info
N-terminal 6xHis-tagged
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

May be involved in actively transporting phosphate into cells via Na(+) cotransport. It may be the main phosphate transport protein in the intestinal brush border membrane. May have a role in the synthesis of surfactant in lungs' alveoli.
Gene References into Functions
  1. The upstream breakpoint lies in the same region as the breakpoint of a fused gene SLC34A2-ROS1, which encodes a constitutive kinase in the lung cancer cell line HCC78 and nonsmall-cell lung cancer (NSCLC), suggesting that the deletion in this family is a hot spot for recombination, not only in cancer samples with somatic mutation, but also in PAM patients with germline genetic defects of SLC34A2. PMID: 30262706
  2. SLC34A2 plays a crucial promoting role in colorectal cancer development. PMID: 29653487
  3. Studied expression of solute carrier family 34 member 2 (SLC34A2/NaPi2b) in epithelial ovarian cancer using monoclonal antibody MX35 and immunohistochemistry. Different staining intensities were observed in different grades of epithelial ovarian cancer. PMID: 28464843
  4. Low SLC34A2 expression is associated with non-small cell lung cancer. PMID: 26910912
  5. SLC34A2 has an important role in promoting proliferation and tumorigenicity of BC. PMID: 28151475
  6. SLC34A2 was down-regulated in osteosarcoma patients.SLC34A2 interacted with PTEN, and decreased the phosphorylation of PI3K and AKT, which inactivated the PI3K/AKT signaling pathway. PMID: 28777670
  7. High expression of SLC34A2 was identified in about 2/3 patients and correlated with significantly better patient's overall survival. Epidermal growth factor receptor mutations were detected in about 53% of patients with no statistically significant difference to patient's overall survival. Anaplastic lymphoma kinase rearrangement was found in 8 out of 175 patients, harboring this abnormality leads to shorter overall survi PMID: 28720066
  8. we elucidated that miR-939 exerted its function mainly through inhibiting SLC34A2/Raf/MEK/ERK pathway, which is activated in GC. Multivariate analysis identified miR-939, SLC34A2, and their combination as independent indicators for poor prognosis and tumor recurrence in GC patients. PMID: 28114937
  9. a novel role of SLC34A2 inbreast cancer stem cells (BCSCs) state regulation and establishes a rationale for targeting the SLC34A2/PI3K/AKT/SOX2 signaling pathway for breast cancer therapy. PMID: 28381172
  10. Knockdown of SLC34A2 inhibits proliferation. PMID: 28281971
  11. Our work sheds new light on the nature of the state of lung cancer stem cell-like cells and the role of SLC34A2 in the tumorigenicity of these cells PMID: 26846105
  12. our data indicated that SLC34A2 could exert significantly suppressive effects on tumorigenesis and progression of NSCLC. SLC34A2 might provide new insights for further understanding the early pathogenesis of human non-small cell lung cancer PMID: 26156586
  13. SLC34A2 might be associated with the initiation and progression of lung adenocarcinoma PMID: 25017204
  14. Data indicate that humanized monoclonal antibody Rebmab200 and murine monoclonal antibody MX35 monoclonal antibodies had similar specificity for sodium phosphate transporter NaPi2b. PMID: 23936189
  15. investigation revealed that the c.910A > T mutation in the SCL34A2 gene was responsible for pulmonary alveolar microlithiasis (PAM) patients in China PMID: 23164546
  16. identified 2 cases of pulmonary alveolar microlithiasis(PAM) with new mutations of SLC34A2 gene; identified the NaPi-IIb in a aortic valve; hypothesize that mutations in SLC34A2 may play a role in development of aortic valve calcification and arteriosclerosis PMID: 22336687
  17. a comprehensive analysis indicates that SCL34A2 is the only gene of the several phosphate transporters genes whose expression differentiates normal from carcinoma samples, suggesting it might exert a major role in ovarian carcinomas. PMID: 22553815
  18. The performed study revealed that SLC34A2 gene exhibited the most distinct change in expression and may become a molecular marker of papillary thyroid cancer PMID: 17091453
  19. study provides the data on the pattern of NaPi2b expression and cellular localization in breast, lung and ovarian cancers PMID: 21956469
  20. Upregulation of SLC34A2 gene expression in well-differentiated tumors may reflect cell differentiation processes during ovarian cancerogenesis and could serve as potential marker for ovarian cancer diagnosis and prognosis. PMID: 21716206
  21. There was a significantly increased gene expression of SLC34A2 (normal tissues: 6.71+/-0.77; tumour tissues: 10.29+/-0.80) among breast cancer tissues compared with normal tissues. PMID: 21036732
  22. In human lung alveolar epithelial cells, the content of calcium and phosphate in cell supernatant decreased with increased amount of SLC34A2 mRNA. PMID: 19134407
  23. study describes mutations in SLC34A 2 gene in an inbred Turkish family with three siblings diagnosed with pulmonary alveolar microlithiasis(PAM); findings suggest that impaired activity of the SLC34A2 gene may be responsible for familial PAM PMID: 20046000
  24. A novel mutation in exon 8 of the SLC34A2 gene were associated with pulmonary alveolar microlithiasis in Chinese pedigree. PMID: 20017296
  25. The current study was performed to characterize the minimal promoter region and transcriptional factor(s) necessary to activate gene expression of NaPi-IIb in human intestinal cells. PMID: 15458926
  26. Study identified a pulmonary alveolar microlithiasis locus by homozygosity mapping to 4p15, then identified, by a candidate-gene approach, the gene responsible for the disease as SLC34A2, which is involved in phosphate homeostasis in several organs. PMID: 16960801
  27. Mutations in the SLC34A2 gene that abolish normal gene function cause pulmonary alveolar microlithiasis. PMID: 17095743
  28. The monoclonal antibodies were shown to recognize specifically transiently overexpressed and endogenous NaPi2b in commonly used immunoassays. PMID: 18724815
  29. SLC34A2 is associated with sodium-lithium countertransport activity and blood pressure PMID: 19119262
  30. The gene responsible for PAM, SLC34A2, has been identified. It encodes a type IIb sodium-dependent phosphate transporter, the function of which provides an insight into the pathogenesis of this disease. PMID: 19617834

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Involvement in disease
Pulmonary alveolar microlithiasis (PALM)
Subcellular Location
Membrane; Multi-pass membrane protein.
Protein Families
SLC34A transporter family
Tissue Specificity
Highly expressed in lung. Also detected in pancreas, kidney, small intestine, ovary, testis, prostate and mammary gland. In lung, it is found in alveolar type II cells but not in bronchiolar epithelium.
Database Links

HGNC: 11020

OMIM: 265100

KEGG: hsa:10568

STRING: 9606.ENSP00000371483

UniGene: Hs.479372

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