Product: MaxiK beta Antibody
Catalog: DF8571
Description: Rabbit polyclonal antibody to MaxiK beta
Application: WB IHC IF/ICC
Reactivity: Human, Mouse, Rat, Monkey
Prediction: Pig, Bovine, Sheep, Rabbit, Xenopus
Mol.Wt.: 23 kDa; 24kD(Calculated).
Uniprot: Q86W47
RRID: AB_2841775

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 100ul $280 In stock
 200ul $350 In stock

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Product Info

Source:
Rabbit
Application:
WB 1:1000-3000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat,Monkey
Prediction:
Pig(100%), Bovine(100%), Sheep(100%), Rabbit(100%), Xenopus(82%)
Clonality:
Polyclonal
Specificity:
MaxiK beta Antibody detects endogenous levels of total MaxiK beta.
RRID:
AB_2841775
Cite Format: Affinity Biosciences Cat# DF8571, RRID:AB_2841775.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

BK channel subunit beta 4; BK channel subunit beta-4; BKbeta4; Calcium activated potassium channel beta 4 subunit; Calcium activated potassium channel subfamily M subunit beta 4; Calcium activated potassium channel subunit beta 4; Calcium-activated potassium channel; Calcium-activated potassium channel subunit beta-4; Charybdotoxin receptor subunit beta 4; Charybdotoxin receptor subunit beta-4; Hbeta4; K(VCA)beta 4; K(VCA)beta-4; KCMB4_HUMAN; KCNMB 4; Kcnmb4; Large conductance calcium dependent potassium ion channel beta 4 subunit; Maxi K channel subunit beta 4; Maxi K channel subunit beta-4; Potassium large conductance calcium activated channel subfamily M beta member 4; Slo beta 4; Slo-beta-4; subfamily M subunit beta-4;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Expression:
Q86W47 KCMB4_HUMAN:

Predominantly expressed in brain. In brain, it is expressed in the cerebellum, cerebral cortex, medulla, spinal cord, occipital pole, frontal lobe, temporal lobe, putamen, amygdala, caudate nucleus, corpus callosum, hippocampus, substantia nigra and thalamus. Weakly or not expressed in other tissues.

Sequence:
MAKLRVAYEYTEAEDKSIRLGLFLIISGVVSLFIFGFCWLSPALQDLQATEANCTVLSVQQIGEVFECTFTCGADCRGTSQYPCVQVYVNNSESNSRALLHSDEHQLLTNPKCSYIPPCKRENQKNLESVMNWQQYWKDEIGSQPFTCYFNQHQRPDDVLLHRTHDEIVLLHCFLWPLVTFVVGVLIVVLTICAKSLAVKAEAMKKRKFS

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Bovine
100
Sheep
100
Rabbit
100
Xenopus
82
Chicken
55
Horse
0
Dog
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q86W47 As Substrate

Site PTM Type Enzyme
T11 Phosphorylation
S17 Phosphorylation
S210 Phosphorylation

Research Backgrounds

Function:

Regulatory subunit of the calcium activated potassium KCNMA1 (maxiK) channel. Modulates the calcium sensitivity and gating kinetics of KCNMA1, thereby contributing to KCNMA1 channel diversity. Decreases the gating kinetics and calcium sensitivity of the KCNMA1 channel, but with fast deactivation kinetics. May decrease KCNMA1 channel openings at low calcium concentrations but increases channel openings at high calcium concentrations. Makes KCNMA1 channel resistant to 100 nM charybdotoxin (CTX) toxin concentrations.

PTMs:

Phosphorylated. Phosphorylation modulates its effect on KCNMA1 activation kinetics.

N-glycosylated. A highly glycosylated form is promoted by KCNMA1. Glycosylation, which is not required for the interaction with KCNMA1 and subcellular location, increases protection against charybdotoxin.

Subcellular Location:

Membrane>Multi-pass membrane protein.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Predominantly expressed in brain. In brain, it is expressed in the cerebellum, cerebral cortex, medulla, spinal cord, occipital pole, frontal lobe, temporal lobe, putamen, amygdala, caudate nucleus, corpus callosum, hippocampus, substantia nigra and thalamus. Weakly or not expressed in other tissues.

Subunit Structure:

Interacts with KCNMA1 tetramer. There are probably 4 molecules of KCMNB4 per KCNMA1 tetramer. Interacts with FMR1 (via N-terminus).

Family&Domains:

Resistance to charybdotoxin (CTX) toxin is mediated by the extracellular domain.

Belongs to the KCNMB (TC 8.A.14.1) family. KCNMB4 subfamily.

Research Fields

· Environmental Information Processing > Signal transduction > cGMP-PKG signaling pathway.   (View pathway)

· Organismal Systems > Circulatory system > Vascular smooth muscle contraction.   (View pathway)

· Organismal Systems > Endocrine system > Insulin secretion.   (View pathway)

References

1). Thyrotropin induces atherosclerosis by upregulating large conductance Ca2+-activated K+ channel subunits. Molecular and cellular endocrinology, 2024 (PubMed: 38184154) [IF=4.1]

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