Q12791 (KCMA1_HUMAN) Homo sapiens (Human)

Calcium-activated potassium channel subunit alpha-1 UniProtKBInterProSTRINGInteractive Modelling

1236 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; Isoform 5; Isoform 6; Isoform 7)

Available Structures

25 Experimental Structures

DescriptionPDB IDOligo-stateRangeSeq id (%)Ligands
Cryo-EM structure of human Slo1-LRRC26 complex with C4 symmetry Heteromer
Q2I0M4;
78-1179
100.0MG;CA;
Cryo-EM structure of human Slo1-LRRC26 complex with C1 symmetry Heteromer
Q2I0M4;
78-1179
100.0MG;CA;
Cryo-EM structure of RCK1 mutated human Slo1-LRRC26 complex Heteromer
Q2I0M4;
78-1179
99.63MG;CA;
Cryo-EM structure of human Slo1-LRRC26 complex with Symmetry Expansion Heteromer
Q2I0M4;
78-1179
100.0PGW;MG;CA;
Cryo-EM structure of Ca2+-bound hsSlo1-beta4 channel complex Heteromer
Q86W47;
81-1179
100.0MG;CA; 60×POV; 16×CLR;K;NAG;
Cryo-EM structure of Ca2+-free hsSlo1-beta4 channel complex Heteromer
Q86W47;
84-1179
100.040×PGW;CLR;NAG;
Cryo-EM structure of RCK1-RCK2 mutated human Slo1-LRRC26 complex Heteromer
Q2I0M4;
85-1179
99.64
Structure of human Slo1 and human LRRC26 in EDTA - LRRD masked Heteromer
Q2I0M4;
85-1179
100.0K;
Human Slo1 - human LRRC26 in presence of EDTA - GR masked Heteromer
Q2I0M4;
77-393
100.020×POV;K; 32×AJP;CLR;NAG;
Activation mechanism and novel binding site of the BKCa channel activator CTIBDhomo-4-mer83-1179
100.0A1L04;Y01;MG;CA;
cryo-EM structure of hSlo1 in plasma membrane vesicleshomo-4-mer84-1179
100.0MG;CA; 88×POV; 24×CLR;NA;
Cryo-EM structure of hSlo1 in digitonin, Ca2+-free and EDTA-freehomo-4-mer84-1179
100.0
Cryo-EM structure of hSlo1 in total membrane vesicleshomo-4-mer84-1179
100.0
Cryo-EM structure of Ca2+-bound hsSlo1 channelhomo-4-mer84-1179
100.0MG;CA; 32×POV; 12×CLR;
Cryo-EM structure of RCK1 mutated human Slo1 apohomo-4-mer84-1179
99.63CA;
F315A mutant of human Slo1 in presence of EDTA - resting VSDhomo-4-mer84-1179
99.82K; 28×POV;CLR; 36×AJP;
RCK1-RCK2 double mutant of human Slo1 in presence of EDTA - resting VSDhomo-4-mer84-1179
99.65K; 24×POV;CLR; 36×AJP;
R207A mutant of human Slo1 in presence of EDTA - activated VSDhomo-4-mer84-1179
99.82K; 28×POV;CLR; 40×AJP;
Cryo-EM structure of Ca2+-free hsSlo1 channelhomo-4-mer85-1179
100.0
Cryo-EM structure of RCK1-RCK2 mutated human Slo1 apohomo-4-mer85-1179
99.63
human BK channel reconstituted into liposomeshomo-4-mer292-1175
100.0
Structure of the Intracellular Gating Ring from the Human High-conductance Ca2+ gated K+ Channel (B…homo-4-mer396-1182
96.3
Crystal structure of the human BK channel gating ring L390P mutantmonomer408-1179
99.62CA;SO4;
Crystal Structure of the Human BK Gating Apparatusmonomer408-1179
100.0CA;SO4;
Solution structure of a K+-channel voltage-sensor paddle domainmonomer257-284
100

1 SWISS-MODEL model

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
8ghf.1.Ahomo-4-mer0.7084-1185
CA;POV;CLR;96.98

12 SWISS-MODEL models built on isoform sequence

IsoformTemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 28s3e.1.Amonomer0.6984-1166
CLR;CA;6PL;99.64
Isoform 26v38.1.Ahomo-4-mer0.6684-1162
CA; 20×POV;CLR;100.00
Isoform 26v3g.1.Ahomo-4-mer0.6685-1162
100.00
Isoform 28hk6.1.Ahomo-4-mer0.54174-1125
K;22.56
Isoform 38s3e.1.Amonomer0.6984-1187
CLR;CA;6PL;99.46
Isoform 37yo5.1.Ahomo-4-mer0.6684-1183
CA;97.26
Isoform 46v3g.1.Ahomo-4-mer0.6785-1150
100.00
Isoform 46v38.1.Ahomo-4-mer0.6784-1150
CA; 20×POV;CLR;100.00
Isoform 58ghf.1.Ahomo-4-mer0.7384-1128
MG;POV;99.34
Isoform 67yo1.1.Cmonomer0.6378-116
96.83
Isoform 76v38.1.Ahomo-4-mer0.6684-1182
CA; 20×POV;CLR;98.30
Isoform 76v3g.1.Ahomo-4-mer0.6685-1182
98.30