SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO05301
Pre Gene Modal
BGIBMGA002400
Annotation
PREDICTED:_calcium-activated_potassium_channel_slowpoke_[Bombyx_mori]
Full name
Calcium-activated potassium channel slowpoke      
Alternative Name
BK channel
Maxi K channel
Location in the cell
PlasmaMembrane   Reliability : 3.358
 

Sequence

CDS
ATGGTCTACTTTTTTATACGATTTATAGCGGCTAGTGACAAACTATGGTTCATGCTCGAGATGTATTCGTTTGTAGATTATTTCACGATACCCCCATCATTTGTATCGATATACTTGGACAGAACGTGGATAGGTCTGAGATTTCTCAGGGCTCTGCGTTTAATGACCGTGCCTGATATTTTGCAATACCTCAATATATTAAAAACGTCAAGCTCAATCCGCTTAGCGCAATTAGTTTCTATATTTATATCAGTGTGGTTAACAGCCGCCGGTATTATTCATTTGCTGGAAAACTCAGGGGATCCGTTGGAATTCGCTAACTCACAGAAGCTCTCATACTGGACATGCGTGTATTTCCTTATAGTGACGATGTCCACAGTAGGTTACGGTGATGTGTTCTGTCACACTGTACTAGGCAGAACCTTTTTGGTATTTTTTCTCCTCGTTGGTTTGGCGATATTTGCCAGTTGTATCCCAGAGATAATTGACTTAATCGGCACTAGACCCAAGTACGGCGGCACCCTCAAGAATGAGCGGGGACGCAGGCACATTGTTGTATGTGGCCATATAACATACGAATCAGTGAGTCATTTTTTAAAAGACTTCCTACACGAAGATCGAGAGGATGTGGATGTTGAGGTGGTTTTTTTACACAGGAAACCGCCCGACCTGGAGCTCGAAGGCCTGTTCAAGAGACACTTTACCACTGTGGAATTCTTTCAAGGCACCATTATGAATCCAATCGACCTGCAAAGGGTAAAAGTCCATGAAGCAGATGCTTGTCTGGTGCTAGCCAACAAATACTGCCAGGATCCGGACGCTGAGGACGCAGCCAATATCATGAGGGTCATCTCTATCAAGAACTACTCCGACGATATCAGGGTCATCATACAGCTCATGCAGTACCATAATAAGGCCTATCTGTTAAACATTCCATCATGGGATTGGAAGCAAGGAGACGACGTGATTTGCTTGGCGGAACTTAAACTCGGCTTCATCGCCCAGAGCTGCCTTGCGCCTGGCTTCTCGACCATGATGGCTAACCTCTTCGCCATGCGGAGCTTCAAGACGTCCCAAGACATGGCTATATGGACTAATGACTACATGCGAGGTACCGGGATGGAGATGTACACAGAGACCCTTAGTCCTACGTTTATCGGGATGCCTTTCATTGAAGCAGCCGAGTTATGCTTTACGAAACTCAAGCTTCTTCTATTAGCAATAGAGATCAAGGGAGAAGAGGGAGCCGATAGCAAAATATCGATAAACCCTCGCAACGCGAAAATCCATGCCAATACCCAAGGGTTCTTCATAGCACAGTCGGCTGATGAAGTCAAAAGAGCGTGGTTTTATTGTAAGGCCTGCCACGAGGACATCAAAGACGAAACACTCATCAAGAAGTGCAAATGCAAAAACTATGTCGGAATGATGATGATGCAGACTGGGATGGTGAAACAAAGTCTTAATACGTACCGTGCTCTCGATGATGATCACCATCCTCCCCCCACCTTCACGCCGCCAGAGTTGCCCAAGAAGGTCCATGTTCGAGGCGAAATCGCCCGCGAAAGGGGGGAAGATACAAACTTAATAAATCGCAACCATCGGAACGCGCCGACGGCGATGCTGTCTCCAATGGCGAACCAGCTGGTGAACACGACGACGACTCGGCAAGTCAACAAAGTAAAGCCGAACGTCAATCGAGTACCGCCCGATACGAATCCTCAAGATCAAGACACGAATTACCAGGCCTATCACCTTGCCTACGAAGTGAAAAAGCTCATGCCTACTAGCAGAAGCAGTGGGGGTAATCAGAACAGCAATGGAGTTAGTCTGCCTGCTGGATTGGCAGACGACCAGTCGAAAGACTTCGACTTTGAAAAGACTGAAATGAAATACGACTCAACAGGCATGTTCCATTGGAGCCCTGCCAGGAATCTTGAAGATTGTATATTAGACAGAAACCAAGCGGCTATGACGGTTCTAAATGGTCACGTTGTCGTGTGTCTATTCGCGGATCCAGACTCGCCACTGATCGGCTTGAGGAATCTCGTGATGCCGCTAAGAGCCTCCAATTTCCACTACCACGAGTTGAAACACGTGGTTATCGTAGGAAGCGTCGACTACATACGAAGAGAATGGAAAATGTTGCAGAATCTTCCGAAGATATCTGTATTGAATGGTTCACCGCTAAGCCGGGCCGACTTGCGTGCAGTAAACGTGAACCTATGCGACATGTGCTGTATCCTGTCAGCGAAGGTGCCATCGAACGATGACCCTACACTGGCGGACAAGGAAGCTATCTTGGCTTCGTTGAACATCAAGGCGATGACGTTCGACGACACGATAGGAGTGCTCAGCGCCGGCGCGGGGGCCAACGGCAGCAACGCGCAGCCGCTGCCGGGCCAGCCCCCCGCGCCCGTGCTGCTACAGAGGAGGGGATCCGTATACGGTGCTAATGTACCTATGATTACAGAGCTGGTGAACGATAGCAACGTGCAGTTCTTAGACCAGGACGACGACGACGACCCCGACACGGAGCTGTACTTGACGCAACCGTTTGCCTGCGGCACTGCGTTTGCCGTCAGCGTACTCGACTCTCTCATGTCCACTACGTACTTCAACCAAAACGCGTTGACACTGATCCGTTCGCTGATAACGGGCGGCGCGACCCCCGAGCTGGAGCTGATCCTCGCCGAAGGTGCCGGGCTCCGCGGCGGGTACTCCACGCCCGAGAGTCTGGCCAACAGGTCTCCGCACTACTCACTAAACAAATACCAAACTCGATGA
Protein
MVYFFIRFIAASDKLWFMLEMYSFVDYFTIPPSFVSIYLDRTWIGLRFLRALRLMTVPDILQYLNILKTSSSIRLAQLVSIFISVWLTAAGIIHLLENSGDPLEFANSQKLSYWTCVYFLIVTMSTVGYGDVFCHTVLGRTFLVFFLLVGLAIFASCIPEIIDLIGTRPKYGGTLKNERGRRHIVVCGHITYESVSHFLKDFLHEDREDVDVEVVFLHRKPPDLELEGLFKRHFTTVEFFQGTIMNPIDLQRVKVHEADACLVLANKYCQDPDAEDAANIMRVISIKNYSDDIRVIIQLMQYHNKAYLLNIPSWDWKQGDDVICLAELKLGFIAQSCLAPGFSTMMANLFAMRSFKTSQDMAIWTNDYMRGTGMEMYTETLSPTFIGMPFIEAAELCFTKLKLLLLAIEIKGEEGADSKISINPRNAKIHANTQGFFIAQSADEVKRAWFYCKACHEDIKDETLIKKCKCKNYVGMMMMQTGMVKQSLNTYRALDDDHHPPPTFTPPELPKKVHVRGEIARERGEDTNLINRNHRNAPTAMLSPMANQLVNTTTTRQVNKVKPNVNRVPPDTNPQDQDTNYQAYHLAYEVKKLMPTSRSSGGNQNSNGVSLPAGLADDQSKDFDFEKTEMKYDSTGMFHWSPARNLEDCILDRNQAAMTVLNGHVVVCLFADPDSPLIGLRNLVMPLRASNFHYHELKHVVIVGSVDYIRREWKMLQNLPKISVLNGSPLSRADLRAVNVNLCDMCCILSAKVPSNDDPTLADKEAILASLNIKAMTFDDTIGVLSAGAGANGSNAQPLPGQPPAPVLLQRRGSVYGANVPMITELVNDSNVQFLDQDDDDDPDTELYLTQPFACGTAFAVSVLDSLMSTTYFNQNALTLIRSLITGGATPELELILAEGAGLRGGYSTPESLANRSPHYSLNKYQTR

Summary

Description
Potassium channel activated by both membrane depolarization or increase in cytosolic Ca(2+) that mediates export of K(+). Its activation dampens the excitatory events that elevate the cytosolic Ca(2+) concentration and/or depolarize the cell membrane. It therefore contributes to repolarization of the membrane potential. Kinetics are determined by alternative splicing, phosphorylation status and its combination interaction with Slob and 14-3-3-zeta. While the interaction with Slob1 alone increases its activity, its interaction with both Slob1 and 14-3-3-zeta decreases its activity.
Subunit
Homotetramer; which constitutes the calcium-activated potassium channel (By similarity). Interacts with Slip1. Interacts with Slob, and, indirectly with 14-3-3-zeta via its interaction with Slob. Interacts with Pka-C1 and Src kinases, which can bind simultaneously to it.
Similarity
Belongs to the potassium channel family. Calcium-activated (TC 1.A.1.3) subfamily. Slo sub-subfamily.
Keywords
Alternative splicing   Calcium   Complete proteome   Ion channel   Ion transport   Membrane   Phosphoprotein   Potassium   Potassium channel   Potassium transport   Reference proteome   Transmembrane   Transmembrane helix   Transport   Voltage-gated channel  
Feature
chain  Calcium-activated potassium channel slowpoke
splice variant  In isoform 6, isoform B and isoform C.
Pfam
PF00520   Ion_trans        + More
PF03493   BK_channel_a
PF07885   Ion_trans_2
Interpro
IPR036291   NAD(P)-bd_dom_sf        + More
IPR027359   Volt_channel_dom_sf       
IPR003929   K_chnl_BK_asu       
IPR005821   Ion_trans_dom       
IPR024939   Ca-act_K_channel_Slo-1       
IPR013099   K_chnl_dom       
SUPFAM
SSF51735   SSF51735       
Gene 3D
PDB
5TJI     E-value=0,     Score=1762

Ontologies

Topology

Subcellular location
Membrane  
Length:
928
Number of predicted TMHs:
4
Exp number of AAs in TMHs:
83.6358200000003
Exp number, first 60 AAs:
19.05992
Total prob of N-in:
0.16687
POSSIBLE N-term signal
sequence
outside
1  -  14
TMhelix
15  -  37
inside
38  -  77
TMhelix
78  -  96
outside
97  -  110
TMhelix
111  -  133
inside
134  -  139
TMhelix
140  -  162
outside
163  -  928
 
 

Population Genetic Test Statistics

Pi
265.52197
Theta
187.839653
Tajima's D
1.209871
CLR
0.404745
CSRT
0.72046397680116
Interpretation
Uncertain
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