Identification
BMDB Protein ID BMDBP02619
Secondary Accession Numbers None
Name Voltage-gated potassium channel subunit beta-2
Synonyms Not Available
Gene Name KCNAB2
Protein Type Enzyme
Biological Properties
General Function Energy production and conversion
Specific Function Cytoplasmic potassium channel subunit that modulates the characteristics of the channel-forming alpha-subunits (By similarity). Contributes to the regulation of nerve signaling, and prevents neuronal hyperexcitability (By similarity). Promotes expression of the pore-forming alpha subunits at the cell membrane, and thereby increases channel activity (By similarity). Promotes potassium channel closure via a mechanism that does not involve physical obstruction of the channel pore (By similarity). Promotes KCNA4 channel closure (By similarity). Modulates the functional properties of KCNA5 (By similarity). Enhances KCNB2 channel activity (By similarity). Binds NADPH and has NADPH-dependent aldoketoreductase activity (By similarity). Has broad substrate specificity and can catalyze the reduction of methylglyoxal, 9,10-phenanthrenequinone, prostaglandin J2, 4-nitrobenzaldehyde, 4-nitroacetophenone and 4-oxo-trans-2-nonenal (in vitro) (By similarity).
Pathways Not Available
Reactions Not Available
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location 16
Locus Not Available
SNPs KCNAB2
Gene Sequence
>1104 bp
ATGTATCCGGAATCAACCACAGGCTCCCCAGCTCGGCTCTCCCTGCGGCAGACGGGCTCC
CCCGGCATGATCTACAGTACTCGGTATGGGAGCCCCAAAAGACAGCTCCAGTTTTACAGG
AACCTGGGCAAGTCGGGCCTGCGGGTCTCCTGCCTGGGGCTCGGAACATGGGTGACCTTC
GGAGGCCAGATCACTGACGAGATGGCAGAGCAGCTAATGACCTTGGCCTACGACAATGGC
ATCAACCTCTTCGATACCGCAGAAGTCTACGCGGCGGGCAAAGCTGAAGTGGTGTTAGGA
AACATCATCAAGAAGAAGGGATGGAGACGATCCAGCCTCGTCATCACCACCAAGATCTTC
TGGGGAGGAAAAGCCGAGACGGAGAGGGGCCTTTCCAGGAAGCACATAATAGAAGGTCTG
AAAGCTTCCCTGGAGCGGCTGCAGTTGGAGTATGTGGATGTGGTATTTGCCAACCGCCCG
GACCCCAACACACCCATGGAAGAGACGGTGCGTGCCATGACTCACGTCATTAACCAGGGG
ATGGCCATGTACTGGGGCACATCGCGCTGGAGCTCCATGGAGATCATGGAGGCCTACTCC
GTGGCCCGGCAGTTCAACCTGATCCCACCCATCTGCGAGCAGGCGGAGTACCACATGTTC
CAGCGGGAGAAGGTAGAGGTGCAGCTGCCGGAGCTCTTCCACAAGATAGGAGTGGGCGCC
ATGACCTGGTCCCCTCTGGCCTGCGGCATCGTTTCCGGAAAGTACGACAGTGGCATCCCG
CCCTACTCTAGAGCCTCTTTGAAGGGATACCAGTGGCTGAAGGACAAGATCCTGAGTGAG
GAGGGCCGGCGCCAGCAGGCCAAGCTGAAGGAACTACAGGCCATCGCCGAGCGCCTGGGC
TGTACCCTCCCCCAGCTGGCCATCGCCTGGTGCCTGAGGAACGAGGGGGTCAGCTCCGTG
CTCCTGGGTGCTTCCAGCGCAGACCAGCTGATGGAGAACATTGGAGCAATACAGGTCCTT
CCAAAACTGTCGTCTTCCATCATCCACGAGATCGATAGTATTTTGGGCAATAAGCCCTAC
AGCAAAAAGGACTACAGATCCTAA
Protein Properties
Number of Residues 367
Molecular Weight 40985.0
Theoretical pI 9.32
Pfam Domain Function Not Available
Signals
  • None
Transmembrane Regions Not Available
Protein Sequence
>Voltage-gated potassium channel subunit beta-2
MYPESTTGSPARLSLRQTGSPGMIYSTRYGSPKRQLQFYRNLGKSGLRVSCLGLGTWVTF
GGQITDEMAEQLMTLAYDNGINLFDTAEVYAAGKAEVVLGNIIKKKGWRRSSLVITTKIF
WGGKAETERGLSRKHIIEGLKASLERLQLEYVDVVFANRPDPNTPMEETVRAMTHVINQG
MAMYWGTSRWSSMEIMEAYSVARQFNLIPPICEQAEYHMFQREKVEVQLPELFHKIGVGA
MTWSPLACGIVSGKYDSGIPPYSRASLKGYQWLKDKILSEEGRRQQAKLKELQAIAERLG
CTLPQLAIAWCLRNEGVSSVLLGASSADQLMENIGAIQVLPKLSSSIIHEIDSILGNKPY
SKKDYRS
GenBank ID Protein CAA49999.1
UniProtKB/Swiss-Prot ID Q27955
UniProtKB/Swiss-Prot Entry Name KCAB2_BOVIN
PDB IDs
GenBank Gene ID X70661
GeneCard ID KCNAB2
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available