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NPHS1

This gene encodes a member of the immunoglobulin family of cell adhesion molecules that functions in the glomerular filtration barrier in the kidney. The gene is primarily expressed in renal tissues, and the protein is a type-1 transmembrane protein found at the slit diaphragm of glomerular podocytes. The slit diaphragm is thought to function as an ultrafilter to exclude albumin and other plasma macromolecules in the formation of urine. Diseases associated with NPHS1 include Nephrotic Syndrome, Type 1 and Congenital Nephrotic Syndrome Finnish Type. Among its related pathways are Nephrin interactions and Nephrin/Neph1 signaling in the kidney podocyte.
Protein class

Disease related genes, Human disease related genes, Plasma proteins, Potential drug targets, Transporters

Predicted location

Intracellular, Membrane (different isoforms)

Single cell type specificity

Cell type enhanced (Early spermatids, Glandular and luminal cells, Late spermatids, Fibroblasts, Bipolar cells, Endometrial ciliated cells)

Immune cell specificity

Not detected in immune cells

Cell line specificity

Cell line enhanced (HMC-1, JURKAT)

Interaction

Interacts with CD2AP (via C-terminal domain). Interacts with MAGI1 (via PDZ 2 and 3 domains) forming a tripartite complex with IGSF5/JAM4. Interacts with DDN; the interaction is direct. Self-associates (via the Ig-like domains). Also interacts (via the Ig-like domains) with KIRREL1/NEPH1 and KIRREL2; the interaction with KIRREL1 is dependent on KIRREL1 glycosylation. Interacts with KIRREL3. Forms a complex with ACTN4, CASK, IQGAP1, MAGI2, SPTAN1 and SPTBN1 (By similarity). Interacts with NPHS2 (PubMed:11562357).

Molecular function

Developmental protein

More Types Infomation

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