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Center for Computational Systems Medicine
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Gene summary

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Gene structures and expression levels

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Exon skipping events with PSIs in TCGA

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Exon skipping events with PSIs in GTEx

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Open reading frame (ORF) annotation in the exon skipping event

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Exon skipping events in the canonical protein sequence

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SNVs in the skipped exons with depth of coverage

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Splicing Quantitative Trait Loci (sQTLs) in the skipped exons

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Splicing Quantitative Trait Methylation (sQTM) in the skipped exon

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Related drugs with this gene

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Related diseases with this gene

Gene summary for KCNMA1

check button Gene summary
Gene informationGene symbol

KCNMA1

Gene ID

3778

Gene namepotassium calcium-activated channel subfamily M alpha 1
SynonymsBKTM|CADEDS|KCa1.1|MaxiK|PNKD3|SAKCA|SLO|SLO-ALPHA|SLO1|bA205K10.1|hSlo|mSLO1
Cytomap

10q22.3

Type of geneprotein-coding
Descriptioncalcium-activated potassium channel subunit alpha-1uncharacterized proteinBK channel alpha subunitBKCA alpha subunitbig potassium channel alpha subunitcalcium-activated potassium channel, subfamily M subunit alpha-1k(VCA)alphamaxi-K channel HSLOpo
Modification date20180523
UniProtAcc

Q12791

ContextPubMed: KCNMA1 [Title/Abstract] AND exon [Title/Abstract] AND skip [Title/Abstract]
- Title (PMID)

check button Gene ontology of each this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
GeneGO IDGO termPubMed ID
KCNMA1

GO:0001666

response to hypoxia

15528406

KCNMA1

GO:0006813

potassium ion transport

7573516|7877450|11245614|12388065|17706472|18458941

KCNMA1

GO:0006970

response to osmotic stress

10840032|12388065

KCNMA1

GO:0030007

cellular potassium ion homeostasis

11245614

KCNMA1

GO:0034465

response to carbon monoxide

15528406

KCNMA1

GO:0042391

regulation of membrane potential

7877450|7993625

KCNMA1

GO:0045794

negative regulation of cell volume

12388065

KCNMA1

GO:0051592

response to calcium ion

12388065|18458941

KCNMA1

GO:0060073

micturition

11641143

KCNMA1

GO:0060083

smooth muscle contraction involved in micturition

11641143


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Exon skipping events across known transcript of Ensembl for KCNMA1 from UCSC genome browser

check buttonSkipped exons in TCGA and GTEx based on Ensembl gene isoform structure.
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
all structure

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Gene isoform structures and expression levels for KCNMA1

check button Expression levels of gene isoforms across TCGA.
gencode gene structure

check button Expression levels of gene isoforms across GTEx.
gencode gene structure


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Exon skipping events with PSIs in TCGA for KCNMA1

check button Information of exkip skipping event in TCGA.
Exon skip IDchrExons involved in exon skippingSkipped exonENSGENSTs
exon_skip_513281078637354:78637648:78644746:78644775:78647048:7864727378644746:78644775ENSG00000156113.16ENST00000372408.2,ENST00000404771.3
exon_skip_513291078637496:78637651:78644746:78644775:78647048:7864727378644746:78644775ENSG00000156113.16ENST00000372403.4
exon_skip_513301078647222:78647273:78649208:78649327:78651282:7865147778649208:78649327ENSG00000156113.16ENST00000406533.3,ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000372437.1,ENST00000372403.4,ENST00000434208.1,ENST00000404771.3,ENST00000604624.1,ENS
exon_skip_513311078649208:78649327:78651282:78651477:78669723:7866985478651282:78651477ENSG00000156113.16ENST00000406533.3,ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000372437.1,ENST00000372403.4,ENST00000434208.1,ENST00000404771.3,ENST00000604624.1,ENS
exon_skip_513321078669723:78669854:78673814:78673895:78674693:7867480778673814:78673895ENSG00000156113.16ENST00000372443.1
exon_skip_513341078674693:78674807:78704530:78704723:78708899:7870912478704530:78704723ENSG00000156113.16ENST00000406533.3,ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000372437.1,ENST00000372403.4,ENST00000434208.1,ENST00000404771.3,ENST00000604624.1,ENS
exon_skip_513351078708899:78709124:78711794:78711917:78713558:7871368278711794:78711917ENSG00000156113.16ENST00000404857.1
exon_skip_513361078713558:78713682:78729731:78729825:78771724:7877180178729731:78729825ENSG00000156113.16ENST00000372408.2,ENST00000372421.5,ENST00000372443.1,ENST00000286627.5,ENST00000372440.1,ENST00000372403.4,ENST00000604624.1,ENST00000404857.1
exon_skip_513381078729731:78729825:78734244:78734331:78771724:7877180178734244:78734331ENSG00000156113.16ENST00000434208.1
exon_skip_513391078729731:78729825:78761164:78761338:78771724:7877180178761164:78761338ENSG00000156113.16ENST00000406533.3,ENST00000286628.8,ENST00000457953.1,ENST00000372437.1,ENST00000404771.3
exon_skip_513401078734244:78734331:78737300:78737396:78771724:7877180178737300:78737396ENSG00000156113.16ENST00000354353.5
exon_skip_513421078778770:78778857:78785203:78785215:78787580:7878764978785203:78785215ENSG00000156113.16ENST00000604624.1
exon_skip_513441078778770:78778857:78787580:78787649:78799285:7879939578787580:78787649ENSG00000156113.16ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000450795.1,ENST00000372437.1,ENST00000372403.4,ENST00000434208.1,ENST00000404771.3,ENST00000428546.1,ENS
exon_skip_513481078850157:78850268:78868238:78868330:78869930:7887009678868238:78868330ENSG00000156113.16ENST00000406533.3,ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000372437.1,ENST00000372403.4,ENST00000434208.1,ENST00000404771.3,ENST00000604624.1,ENS
exon_skip_513501079010952:79011014:79163619:79163781:79397022:7939720579163619:79163781ENSG00000156113.16ENST00000406533.3,ENST00000372408.2,ENST00000372421.5,ENST00000354353.5,ENST00000372443.1,ENST00000286627.5,ENST00000286628.8,ENST00000372440.1,ENST00000457953.1,ENST00000372437.1,ENST00000372403.4,ENST00000404771.3,ENST00000404857.1

check button PSI values of skipped exons in TCGA.
psi tcga

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Exon skipping events with PSIs in GTEx for KCNMA1

check button Information of exkip skipping event in GTEx
Exon skip IDchrExons involved in exon skippingSkipped exonENSGENSTs
exon_skip_513281078637354:78637648:78644746:78644775:78647048:7864727378644746:78644775ENSG00000156113.16ENST00000372408.2,ENST00000404771.3
exon_skip_513291078637496:78637651:78644746:78644775:78647048:7864727378644746:78644775ENSG00000156113.16ENST00000372403.4
exon_skip_513301078647222:78647273:78649208:78649327:78651282:7865147778649208:78649327ENSG00000156113.16ENST00000604624.1,ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000434208.1,ENST00000286628.8,ENST00000286627.5,ENST00000406533.3,ENST00000354353.5,ENS
exon_skip_513311078649208:78649327:78651282:78651477:78669723:7866985478651282:78651477ENSG00000156113.16ENST00000604624.1,ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000434208.1,ENST00000286628.8,ENST00000286627.5,ENST00000406533.3,ENST00000354353.5,ENS
exon_skip_513321078669723:78669854:78673814:78673895:78674693:7867480778673814:78673895ENSG00000156113.16ENST00000372443.1
exon_skip_513341078674693:78674807:78704530:78704723:78708899:7870912478704530:78704723ENSG00000156113.16ENST00000604624.1,ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000434208.1,ENST00000286628.8,ENST00000286627.5,ENST00000406533.3,ENST00000354353.5,ENS
exon_skip_513351078708899:78709124:78711794:78711917:78713558:7871368278711794:78711917ENSG00000156113.16ENST00000404857.1
exon_skip_513361078713558:78713682:78729731:78729825:78771724:7877180178729731:78729825ENSG00000156113.16ENST00000604624.1,ENST00000372408.2,ENST00000372421.5,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000286627.5,ENST00000404857.1
exon_skip_513381078729731:78729825:78734244:78734331:78771724:7877180178734244:78734331ENSG00000156113.16ENST00000434208.1
exon_skip_513391078729731:78729825:78761164:78761338:78771724:7877180178761164:78761338ENSG00000156113.16ENST00000372437.1,ENST00000457953.1,ENST00000404771.3,ENST00000286628.8,ENST00000406533.3
exon_skip_513401078734244:78734331:78737300:78737396:78771724:7877180178737300:78737396ENSG00000156113.16ENST00000354353.5
exon_skip_513421078778770:78778857:78785203:78785215:78787580:7878764978785203:78785215ENSG00000156113.16ENST00000604624.1
exon_skip_513441078778770:78778857:78787580:78787649:78799285:7879939578787580:78787649ENSG00000156113.16ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000434208.1,ENST00000286628.8,ENST00000286627.5,ENST00000354353.5,ENST00000404857.1,ENST00000450795.1,ENS
exon_skip_513481078850157:78850268:78868238:78868330:78869930:7887009678868238:78868330ENSG00000156113.16ENST00000604624.1,ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000434208.1,ENST00000286628.8,ENST00000286627.5,ENST00000406533.3,ENST00000354353.5,ENS
exon_skip_513501079010952:79011014:79163619:79163781:79397022:7939720579163619:79163781ENSG00000156113.16ENST00000372437.1,ENST00000372408.2,ENST00000372421.5,ENST00000457953.1,ENST00000404771.3,ENST00000372440.1,ENST00000372443.1,ENST00000372403.4,ENST00000286628.8,ENST00000286627.5,ENST00000406533.3,ENST00000354353.5,ENST00000404857.1

check button PSI values of skipped exons in GTEx.
psi gtex

* Skipped exon sequences.

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Open reading frame (ORF) annotation in the exon skipping event for KCNMA1

check button Open reading frame (ORF) of individual exon skipping events in TCGA based on the Ensembl gene structure combined from isoforms.
ENSTStart of skipped exonEnd of skipped exonORF
ENST000002866287864920878649327Frame-shift
ENST000002866287870453078704723Frame-shift
ENST000002866287886823878868330Frame-shift
ENST000002866287865128278651477In-frame
ENST000002866287876116478761338In-frame
ENST000002866287878758078787649In-frame
ENST000002866287916361979163781In-frame

check button Open reading frame (ORF) of individual exon skipping events in GTEx based on the Ensembl gene structure combined from isoforms.
ENSTStart of skipped exonEnd of skipped exonORF
ENST000002866287864920878649327Frame-shift
ENST000002866287870453078704723Frame-shift
ENST000002866287886823878868330Frame-shift
ENST000002866287865128278651477In-frame
ENST000002866287876116478761338In-frame
ENST000002866287878758078787649In-frame
ENST000002866287916361979163781In-frame

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Infer the effects of exon skipping event on protein functional features for KCNMA1

check button Exon skipping at the protein sequence level and followed lost functional features.
* Click on the image to enlarge it in a new window.
prot feature distribution

check button Loci of skipped exons in TCGA across genomic, transcript, and protein sequence levels of In-frame cases.
ENSTLength of mRNALength of AA seq.Genomic startGenomic endmRNA startmRNA endAA startAA end
ENST00000286628611312367916361979163781379540126180
ENST0000028662861131236787875807878764918601928620642
ENST0000028662861131236787611647876133820932266697755
ENST000002866286113123678651282786514773148334210491114

check button Loci of skipped exons in GTEx across genomic, transcript, and protein sequence levels of In-frame cases.
ENSTLength of mRNALength of AA seq.Genomic startGenomic endmRNA startmRNA endAA startAA end
ENST00000286628611312367916361979163781379540126180
ENST0000028662861131236787875807878764918601928620642
ENST0000028662861131236787611647876133820932266697755
ENST000002866286113123678651282786514773148334210491114

check button Lost protein functional features of individual exon skipping events in TCGA.
UniProt acc.Start of exon skipping (AA)End of exon skipping (AA)Protein feature start (AA)Protein feature end (AA)Category of protein featureDescription of feature


check button Lost protein functional features of individual exon skipping events in GTEx.
UniProt acc.Start of exon skipping (AA)End of exon skipping (AA)Protein feature start (AA)Protein feature end (AA)Category of protein featureDescription of feature


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SNVs in the skipped exons for KCNMA1

check button - Lollipop plot for presenting exon skipping associated SNVs.
* Click on the image to enlarge it in a new window.
lollipop

check button - Differential PSIs between mutated versus non-mutated samples.

check button - Non-synonymous mutations located in the skipped exons in TCGA.
Cancer typeSampleESIDSkipped exon startSkipped exon endMutation startMutation endMutation typeReference seqMutation seqAAchange
LIHCTCGA-G3-A3CJ-01exon_skip_51332
78673815786738957867385078673850Frame_Shift_DelT-p.N963fs
LIHCTCGA-DD-A39Y-01exon_skip_51334
78704531787047237870469378704693Frame_Shift_DelC-p.A856fs
ACCTCGA-OR-A5JS-01exon_skip_51336
78729732787298257872978678729786Frame_Shift_DelT-p.K769fs
LIHCTCGA-DD-A4NE-01exon_skip_51336
78729732787298257872978678729786Frame_Shift_DelT-p.K711fs
PCPGTCGA-QT-A5XN-01exon_skip_51336
78729732787298257872978678729786Frame_Shift_DelT-p.K711fs
PRADTCGA-EJ-7783-01exon_skip_51336
78729732787298257872978678729786Frame_Shift_DelT-p.K711fs
STADTCGA-BR-6452-01exon_skip_51336
78729732787298257872978678729787Frame_Shift_DelTT-p.769_769del
LGGTCGA-S9-A6WQ-01exon_skip_51336
78729732787298257872978578729786Frame_Shift_Ins-Tp.T711fs
UCECTCGA-AX-A0J1-01exon_skip_51331
78651283786514777865132478651324Nonsense_MutationCTp.W993*
CHOLTCGA-YR-A95A-01exon_skip_51334
78704531787047237870465378704653Nonsense_MutationGTp.S927X
HNSCTCGA-CR-7402-01exon_skip_51336
78729732787298257872980778729807Nonsense_MutationGCp.S704*
HNSCTCGA-CR-7402-01exon_skip_51336
78729732787298257872980778729807Nonsense_MutationGCp.S762*
ACCTCGA-OR-A5JA-01exon_skip_51339
78761165787613387876118478761184Nonsense_MutationGTp.C749*
LIHCTCGA-DD-A4NJ-01exon_skip_51339
78761165787613387876122278761222Nonsense_MutationTAp.R737*
LIHCTCGA-DD-A4NJ-01exon_skip_51339
78761165787613387876122278761222Nonsense_MutationTAp.R737X
BLCATCGA-DK-A6AW-01exon_skip_51348
78868239788683307886829778868297Nonsense_MutationCAp.E389*
UCECTCGA-AP-A051-01exon_skip_51336
78729732787298257872973178729731Splice_SiteCTe20+1

check button - Depth of coverage in the three exons composing exon skipping event
Depth of coverage in three exonsMutation description

check button - Non-synonymous mutations located in the skipped exons in CCLE.
SampleSkipped exon startSkipped exon endMutation startMutation endMutation typeReference seqMutation seqAAchange
A498_KIDNEY78649209786493277864923078649230Missense_MutationGTp.T1147N
SISO_CERVIX78651283786514777865132778651327Missense_MutationCTp.V1100M
GRST_HAEMATOPOIETIC_AND_LYMPHOID_TISSUE78651283786514777865132778651327Missense_MutationCTp.V1100M
SW684_SOFT_TISSUE78651283786514777865134878651348Missense_MutationCTp.A1093T
HEC251_ENDOMETRIUM78651283786514777865139278651392Missense_MutationTCp.E1078G
CP66MEL_SKIN78651283786514777865142678651426Missense_MutationCTp.G1067R
NCIH513_PLEURA78651283786514777865145178651452Missense_MutationGGTTp.T1058K
HT115_LARGE_INTESTINE78704531787047237870456078704560Missense_MutationCTp.S958N
TT_OESOPHAGUS78704531787047237870456478704564Missense_MutationCAp.D957Y
TT_OESOPHAGUS78704531787047237870460178704601Missense_MutationGCp.I944M
NCIH510_LUNG78704531787047237870461778704617Missense_MutationTAp.Q939L
HCC2450_LUNG78704531787047237870467278704672Missense_MutationCAp.D921Y
HN_UPPER_AERODIGESTIVE_TRACT78704531787047237870470778704707Missense_MutationCTp.R909Q
SNU520_STOMACH78729732787298257872974778729747Missense_MutationGAp.S782L
DAUDI_HAEMATOPOIETIC_AND_LYMPHOID_TISSUE78761165787613387876121978761219Missense_MutationCTp.A738T
OCIAML5_HAEMATOPOIETIC_AND_LYMPHOID_TISSUE78761165787613387876121978761219Missense_MutationCTp.A738T
JHH7_LIVER78761165787613387876123478761234Missense_MutationCTp.D733N
KMS28BM_HAEMATOPOIETIC_AND_LYMPHOID_TISSUE78761165787613387876123778761237Missense_MutationCTp.V732M
HOS_BONE78761165787613387876127578761275Missense_MutationCTp.R719H
NCIH1341_LUNG78761165787613387876127978761279Missense_MutationCGp.E718Q
NCIH1793_LUNG78787581787876497878761078787610Missense_MutationACp.I633M
451LU_SKIN78868239788683307886824278868242Missense_MutationCTp.R407K
HT144_SKIN78868239788683307886825578868255Missense_MutationCGp.A403P
SARC9371_BONE78868239788683307886828778868287Missense_MutationCTp.G392E
AGS_STOMACH78868239788683307886829278868292Missense_MutationTGp.L390F
KCL22_HAEMATOPOIETIC_AND_LYMPHOID_TISSUE78868239788683307886829778868297Missense_MutationCTp.E389K
HCC2998_LARGE_INTESTINE79163620791637817916362579163625Missense_MutationCAp.V179F
SNU175_LARGE_INTESTINE79163620791637817916364679163646Missense_MutationCTp.A172T
CAOV3_OVARY78761165787613387876118478761184Nonsense_MutationGTp.C749*

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Splicing Quantitative Trait Loci (sQTL) in the exon skipping event for KCNMA1

check button sQTL information located at the skipped exons.
Exon skip IDChromosomeThree exonsSkippped exonENSTCancer typeSNP idLocationDNA change (ref/var)P-value

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Splicing Quantitative Trait Methylation (sQTM) in the skipped exon for KCNMA1


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Survival analysis of Splicing Quantitative Trait Methylation (sQTM) in the skipped exon for KCNMA1


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RelatedDrugs for KCNMA1

check button Approved drugs targeting this gene.
(DrugBank Version 5.1.0 2018-04-02)
GeneUniProtAccDrugBank IDDrug nameDrug activityDrug typeDrug status
Q12791DB00356ChlorzoxazoneCalcium-activated potassium channel subunit alpha-1small moleculeapproved
Q12791DB00436BendroflumethiazideCalcium-activated potassium channel subunit alpha-1small moleculeapproved
Q12791DB01003Cromoglicic acidCalcium-activated potassium channel subunit alpha-1small moleculeapproved
Q12791DB01119DiazoxideCalcium-activated potassium channel subunit alpha-1small moleculeapproved
Q12791DB09089TrimebutineCalcium-activated potassium channel subunit alpha-1small moleculeapproved
Q12791DB00774HydroflumethiazideCalcium-activated potassium channel subunit alpha-1small moleculeapproved|investigational
Q12791DB04209DequaliniumCalcium-activated potassium channel subunit alpha-1small moleculeapproved|investigational
Q12791DB00721ProcaineCalcium-activated potassium channel subunit alpha-1small moleculeapproved|investigational|vet_approved
Q12791DB01110MiconazoleCalcium-activated potassium channel subunit alpha-1small moleculeapproved|investigational|vet_approved
Q12791DB00999HydrochlorothiazideCalcium-activated potassium channel subunit alpha-1small moleculeapproved|vet_approved
Q12791DB01159HalothaneCalcium-activated potassium channel subunit alpha-1small moleculeapproved|vet_approved

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RelatedDiseases for KCNMA1

check button Diseases associated with this gene.
(DisGeNet 4.0)
GeneDisease IDDisease name# pubmedsSource
KCNMA1C0004352Autistic Disorder1CTD_human
KCNMA1C0005944Metabolic Bone Disorder1CTD_human
KCNMA1C0007134Renal Cell Carcinoma1CTD_human
KCNMA1C0019284Diaphragmatic Hernia1CTD_human
KCNMA1C0028756Obesity, Morbid1CTD_human
KCNMA1C0038220Status Epilepticus1CTD_human
KCNMA1C1836173Generalized Epilepsy and Paroxysmal Dyskinesia1CTD_human;ORPHANET;UNIPROT