Paralogue Annotation for KCNJ2 residue 189

Residue details

Gene: KCNJ2
Reference Sequences: LRG: LRG_328, Ensembl variant: ENST00000535240 / ENSP00000441848
Amino Acid Position: 189
Reference Amino Acid: R - Arginine
Protein Domain: C-terminus


Paralogue Variants mapped to KCNJ2 residue 189

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
KCNJ1R188CBartter syndromeHigh9 19096086
KCNJ10R175QEpilepsy, ataxia, sensorineural deafness and tubulHigh9 20651251
KCNJ11R177WHyperinsulinismHigh9 25201519

To assess whether the paralogue annotation here confidently predicts that variation at this residue is pathogenic, it is important to check the reports in the Pubmed links above to ascertain that the mutations in these paralogues have been proved likely to be disease-causing. It is also important to check that the direction of effect of the variant in the paralogue is compatible with your observed phenotype in KCNJ2.



KCNJ2FMVVFQSIVGCIIDAFIIGAVMAKMAKPKK>R<NETLVFSHNAVIAMRDGKLCLMWRVGNLRK219
KCNJ1FLLIFQSILGVIINSFMCGAILAKISRPKK>R<AKTITFSKNAVISKRGGKLCLLIRVANLRK218
KCNJ3ILFLFQSILGSIVDAFLIGCMFIKMSQPKK>R<AETLMFSEHAVISMRDGKLTLMFRVGNLRN220
KCNJ4IAVVVQSIVGCVIDSFMIGTIMAKMARPKK>R<AQTLLFSHHAVISVRDGKLCLMWRVGNLRK211
KCNJ5ILLLVQAILGSIVNAFMVGCMFVKISQPKK>R<AETLMFSNNAVISMRDEKLCLMFRVGDLRN226
KCNJ6ILLLIQSVLGSIVNAFMVGCMFVKISQPKK>R<AETLVFSTHAVISMRDGKLCLMFRVGDLRN229
KCNJ8TVLILQNIVGLIINAVMLGCIFMKTAQAHR>R<AETLIFSRHAVIAVRNGKLCFMFRVGDLRK217
KCNJ9VLLLLQAILGSMVNAFMVGCMFVKISQPNK>R<AATLVFSSHAVVSLRDGRLCLMFRVGDLRS197
KCNJ10VLLIAQLVLTTILEIFITGTFLAKIARPKK>R<AETIRFSQHAVVASHNGKPCLMIRVANMRK205
KCNJ11LILIVQNIVGLMINAIMLGCIFMKTAQAHR>R<AETLIFSKHAVIALRHGRLCFMLRVGDLRK207
KCNJ12FMVVAQSIVGCIIDSFMIGAIMAKMARPKK>R<AQTLLFSHNAVVALRDGKLCLMWRVGNLRK220
KCNJ13ALLAIQMLLGLMLEAFITGAFVAKIARPKN>R<AFSIRFTDTAVVAHMDGKPNLIFQVANTRP196
KCNJ14AAVVLQCIAGCVLDAFVVGAVMAKMAKPKK>R<NETLVFSENAVVALRDHRLCLMWRVGNLRR224
KCNJ15FLLVAQLVITTLIEIFITGTFLAKIARPKK>R<AETIKFSHCAVITKQNGKLCLVIQVANMRK204
KCNJ16LMVILQSILSCIINTFIIGAALAKMATARK>R<AQTIRFSYFALIGMRDGKLCLMWRIGDFRP208
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNJ2

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.R189Ic.566G>T Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS PIP2 binding residues of Kir2.1 are common targets of mutations causing Andersen syndrome. Neurology. 2003 60(11):1811-6. 12796536
p.Arg189Lysc.566G>A UnknownSIFT:
Polyphen: