Paralogue Annotation for KCNJ2 residue 216

Residue details

Gene: KCNJ2
Reference Sequences: LRG: LRG_328, Ensembl variant: ENST00000535240 / ENSP00000441848
Amino Acid Position: 216
Reference Amino Acid: N - Asparagine
Protein Domain: C-terminus


Paralogue Variants mapped to KCNJ2 residue 216

ParalogueVariantAssociated DiseaseMapping QualityConsensusPubmed
KCNJ11D204EHyperinsulinismMedium9 18596924

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.



KCNJ2PKKRNETLVFSHNAVIAMRDGKLCLMWRVG>N<LRKSHLVEAHVRAQLLKSRITSEGEYIPLD246
KCNJ1PKKRAKTITFSKNAVISKRGGKLCLLIRVA>N<LRKSLLIGSHIYGKLLKTTVTPEGETIILD245
KCNJ3PKKRAETLMFSEHAVISMRDGKLTLMFRVG>N<LRNSHMVSAQIRCKLLKSRQTPEGEFLPLD247
KCNJ4PKKRAQTLLFSHHAVISVRDGKLCLMWRVG>N<LRKSHIVEAHVRAQLIKPYMTQEGEYLPLD238
KCNJ5PKKRAETLMFSNNAVISMRDEKLCLMFRVG>D<LRNSHIVEASIRAKLIKSRQTKEGEFIPLN253
KCNJ6PKKRAETLVFSTHAVISMRDGKLCLMFRVG>D<LRNSHIVEASIRAKLIKSKQTSEGEFIPLN256
KCNJ8AHRRAETLIFSRHAVIAVRNGKLCFMFRVG>D<LRKSMIISASVRIQVVKKTTTPEGEVVPIH244
KCNJ9PNKRAATLVFSSHAVVSLRDGRLCLMFRVG>D<LRSSHIVEASIRAKLIRSRQTLEGEFIPLH224
KCNJ10PKKRAETIRFSQHAVVASHNGKPCLMIRVA>N<MRKSLLIGCQVTGKLLQTHQTKEGENIRLN232
KCNJ11AHRRAETLIFSKHAVIALRHGRLCFMLRVG>D<LRKSMIISATIHMQVVRKTTSPEGEVVPLH234
KCNJ12PKKRAQTLLFSHNAVVALRDGKLCLMWRVG>N<LRKSHIVEAHVRAQLIKPRVTEEGEYIPLD247
KCNJ13PKNRAFSIRFTDTAVVAHMDGKPNLIFQVA>N<TRPSPLTSVRVSAVLYQERENGK----L-Y218
KCNJ14PKKRNETLVFSENAVVALRDHRLCLMWRVG>N<LRRSHLVEAHVRAQLLQPRVTPEGEYIPLD251
KCNJ15PKKRAETIKFSHCAVITKQNGKLCLVIQVA>N<MRKSLLIQCQLSGKLLQTHVTKEGERILLN231
KCNJ16ARKRAQTIRFSYFALIGMRDGKLCLMWRIG>D<FRPNHVVEGTVRAQLLRYTEDSEGRM-TMA234
cons                              > <                              

See full Alignment of Paralogues


Known Variants in KCNJ2

ProteinCDSDisease ClassificationDiseasedbSNP linksEffect Prediction
p.N216Hc.646A>C Inherited ArrhythmiaLQTSSIFT: deleterious
Polyphen: probably damaging
ReportsInherited ArrhythmiaLQTS Functional and clinical characterization of KCNJ2 mutations associated with LQT7 (Andersen syndrome). J Clin Invest. 2002 110(3):381-8. 12163457
Inherited ArrhythmiaLQTS Defective potassium channel Kir2.1 trafficking underlies Andersen-Tawil syndrome. J Biol Chem. 2003 278(51):51779-85. 14522976