• Product name

  • Description

    Rabbit polyclonal to SLC4A4/NBC
  • Host species

  • Tested applications

    Suitable for: IHC-Pmore details
  • Species reactivity

    Reacts with: Mouse
    Predicted to work with: Rat, Human
  • Immunogen

    Synthetic peptide within Mouse SLC4A4/NBC aa 1-40 conjugated to keyhole limpet haemocyanin. The exact sequence is proprietary. from Isoform 2 (known as kNBC)


    Database link: O88343-2

  • Positive control

    • Mouse brain tissue.
  • General notes

    Protein previously labeled as SLC4A4.



Our Abpromise guarantee covers the use of ab217352 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IHC-P 1/100 - 1/500.


  • Function

    Electrogenic sodium/bicarbonate cotransporter with a Na(+):HCO3(-) stoichiometry varying from 1:2 to 1:3. May regulate bicarbonate influx/efflux at the basolateral membrane of cells and regulate intracellular pH.
  • Tissue specificity

    Isoform 1 is expressed in pancreas and to a lower extent in heart, skeletal muscle, liver, parotid salivary glands, prostate, colon, stomach, thyroid, brain and spinal chord. Corneal endothelium cells express only isoform 1 (at protein level). Isoform 2 is specifically expressed in kidney at the level of proximal tubules.
  • Involvement in disease

    Defects in SLC4A4 are the cause of proximal renal tubular acidosis with ocular abnormalities (pRTA-OA) [MIM:604278]; also known as renal tubular acidosis II. Caused by an impairment of bicarbonate absorption in the proximal tubule, proximal renal tubular acidosis (pRTA) is characterized by a decreased renal HCO3(-) threshold. pRTA-OA is an extremely rare autosomal recessive syndrome characterized by short stature, profound pRTA, mental retardation, bilateral glaucoma, cataracts and bandkeratopathy.
    Note=Loss of interaction with and stimulation by CA4 is the cause of retinitis pigmentosa type 17 (RP17).
  • Sequence similarities

    Belongs to the anion exchanger (TC 2.A.31) family.
  • Post-translational

    Phosphorylation of Ser-1026 by PKA increases the binding of CA2 and changes the Na(+):HCO3(-) stoichiometry of the transporter from 3:1 to 2:1. Phosphorylation of Thr-49 regulates isoform 1 conductance.
    N-glycosylation is not necessary for the transporter basic functions.
  • Cellular localization

    Basolateral cell membrane.
  • Information by UniProt
  • Database links

  • Alternative names

    • DKFZp781H1314 antibody
    • Electrogenic sodium bicarbonate cotransporter 1 antibody
    • hhNMC antibody
    • HNBC 1 antibody
    • HNBC1 antibody
    • kNBC 1 antibody
    • KNBC antibody
    • kNBC1 antibody
    • Na(+)/HCO3(-) cotransporter antibody
    • Na+HCO3- cotransporter 4 antibody
    • NBC 1 antibody
    • NBC 2 antibody
    • NBC1 antibody
    • NBC2 antibody
    • Nbc4 antibody
    • NBCE 1 antibody
    • NBCE1 antibody
    • OTTHUMP00000160355 antibody
    • OTTHUMP00000218884 antibody
    • OTTHUMP00000218885 antibody
    • PNBC antibody
    • S4A4_HUMAN antibody
    • SLC4A4 antibody
    • SLC4A5 antibody
    • Sodium bicarbonate cotransporter 1 (sodium bicarbonate cotransporter, kidney; sodium bicarbonate cotransporter, pancreas) antibody
    • Sodium bicarbonate cotransporter antibody
    • Sodium bicarbonate cotransporter kidney antibody
    • sodium bicarbonate cotransporter member 4 antibody
    • Sodium bicarbonate cotransporter pancreas antibody
    • Solute carrier family 4 member 4 antibody
    • Solute carrier family 4 sodium bicarbonate cotransporter member 4 antibody
    • Solute carrier family 4 sodium bicarbonate cotransporter member 5 antibody
    • Solute carrier family 4, sodium bicarbonate cotransporter, member 4, brain type antibody
    see all


  • Immunohistochemical analysis of formalin-fixed, paraffin-embedded mouse brain tissue labeling SLC4A4/NBC with ab217352 at 1/400 dilution followed by conjugation to the secondary antibody and DAB staining.


ab217352 has not yet been referenced specifically in any publications.

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