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Invitrogen
Kir3.4 (KCNJ5) Polyclonal Antibody
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Product Details
PA5-53222
Product Specifications
Species Reactivity
Human
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
Recombinant protein corresponding to Human KCNJ5. Recombinant protein control fragment (Product #RP-90942).
Conjugate
Form
Liquid
Concentration
0.1 mg/mL
Purification
Antigen affinity chromatography
Storage buffer
PBS, pH 7.2, with 40% glycerol
Contains
0.02% sodium azide
Storage conditions
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Product Specific Information
Immunogen sequence: TPVLTLEKGF YEVDYNTFHD TYETNTPSCC AKELAEMKRE GRLLQYLPSP PLLGGCAEAG LDAEAEQNEE DEPKGLGG
Highest antigen sequence identity to the following orthologs: Mouse - 88%, Rat - 85%.
Target Information
G protein-coupled inwardly rectifying potassium channels (Kir3.1 through Kir3.4) are coupled to numerous neurotransmitter receptors in the brain and are abundantly expressed in the olfactory bulb, hippocampus, neocortex, dentate gyrus, cerebellar cortex and thalamus regions of the brain. Also known as GIRK, Kir3 potassium channels localize to the soma and dendrites as well as axons of neurons. Liberated Gbg subunits from G protein heterotrimers bind to and regulate Kir3 channel activity. Gb3- and Gb4-containing Gbg dimers bind directly to cytoplasmic domains of Kir3 proteins and increase the K+ current while Gb5-containing Gbg dimers inhibit Kir3 K+ current. Kir3 activity is also inhibited by tyrosine phosphorylation. Brain-derived neurotrophic factor activates receptor tyrosine kinase B, which then phosphorylates Kir3 tyrosine residues, effectively inactivating the Kir3 channels.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: cardiac ATP-sensitive potassium channel; Cardiac inward rectifier; CIR; G protein-activated inward rectifier potassium channel 4; GIRK-4; Heart KATP channel; Inward rectifier K(+) channel Kir3.4; inward rectifier K+ channel KIR3.4; IRK-4; IRK4; KATP-1; Potassium channel, inwardly rectifying subfamily J member 5; potassium channel, inwardly rectifying subfamily J, member 5; potassium inwardly-rectifying channel, subfamily J, member 5
Gene Aliases: CIR; GIRK4; KATP1; KCNJ5; KIR3.4; LQT13
UniProt ID: (Human) P48544
Entrez Gene ID: (Human) 3762
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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