Q9H2S1 (KCNN2_HUMAN) Homo sapiens (Human)

Small conductance calcium-activated potassium channel protein 2 UniProtKBInterProSTRINGInteractive Modelling

579 aa; Sequence (Fasta) ; (Isoform 2; )

Sequence Features

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 138-158Helical; Name=Segment S1
 168-188Helical; Name=Segment S2
 214-234Helical; Name=Segment S3
 256-276Helical; Name=Segment S4
 305-325Helical; Name=Segment S5
 345-365Pore-forming; Name=Segment H5
 374-394Helical; Name=Segment S6
 120-232Potassium channel, calcium-activated, SK
IPR015449PF03530
 319-397Potassium channel domain
IPR013099PF07885
 412-486Calmodulin-binding domain
IPR004178PF02888

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRange
A V-to-F substitution in SK2 channels causes Ca2+ hypersensitivity and improves locomotion in a C. … Heteromer
P0DP30;
SO4;1KP;GOL;CA;6ale394-486
Assess
A positive allosteric modulator binding pocket in SK2 ion channels is shared by Riluzole and CyPPA Heteromer
P0DP23;
SO4;658;CA;5v03395-486
Assess
A positive allosteric modulator binding pocket in SK2 ion channels is shared by Riluzole and CyPPA Heteromer
P0DP23;
SO4;657;GOL;CA;5v02395-486
Assess
Structural insights into the potency of SK/IK channel positive modulators Heteromer
P0DP23;
SO4;GOL;CA;AJY;5wbx395-486
Assess
Structural insights into the potency of SK/IK channel positive modulators Heteromer
P0DP23;
SO4;GOL;CA;AJV;5wc5395-486
Assess

Homology models

Oligo-stateQMEANTemplateRangeSeq id (%)Ligands
monomer -3.78 6cno.1.A118-497
44.28
Assess
monomer -4.10 6v01.1.I312-437
22.50
Assess
monomer -3.77 6v00.1.A312-437
22.50
Assess

Homology models built on isoform sequence

IsoformOligo-stateLigandsQMEANTemplateRangeSeq id (%)
Isoform 2monomer-1.135wbx.1.A47-138
98.91
Assess
Isoform 2monomer-2.126cnn.1.A1-149
53.49
Assess
Isoform 2monomer-13.901kkd.1.A47-138
100.00
Assess