Incidental Mutation 'R4821:Nkx2-2'
ID 370205
Institutional Source Beutler Lab
Gene Symbol Nkx2-2
Ensembl Gene ENSMUSG00000027434
Gene Name NK2 homeobox 2
Synonyms tinman, Nkx-2.2, Nkx2.2
MMRRC Submission 042437-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4821 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 147019466-147036163 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 147027763 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 59 (L59Q)
Ref Sequence ENSEMBL: ENSMUSP00000069666 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000067075] [ENSMUST00000109970]
AlphaFold P42586
Predicted Effect possibly damaging
Transcript: ENSMUST00000067075
AA Change: L59Q

PolyPhen 2 Score 0.815 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000069666
Gene: ENSMUSG00000027434
AA Change: L59Q

DomainStartEndE-ValueType
low complexity region 30 41 N/A INTRINSIC
HOX 128 190 2.66e-22 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000109969
Predicted Effect possibly damaging
Transcript: ENSMUST00000109970
AA Change: L59Q

PolyPhen 2 Score 0.639 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000105596
Gene: ENSMUSG00000027434
AA Change: L59Q

DomainStartEndE-ValueType
low complexity region 30 41 N/A INTRINSIC
HOX 128 190 2.66e-22 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136998
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144411
Predicted Effect noncoding transcript
Transcript: ENSMUST00000172627
Meta Mutation Damage Score 0.0697 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.3%
  • 20x: 92.5%
Validation Efficiency 100% (79/79)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene contains a homeobox domain and may be involved in the morphogenesis of the central nervous system. This gene is found on chromosome 20 near NKX2-4, and these two genes appear to be duplicated on chromosome 14 in the form of TITF1 and NKX2-8. The encoded protein is likely to be a nuclear transcription factor. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mutants die within a few days of birth with severe hyperglycemia due to arrested differentiation of pancreatic beta cells. Mutant embryos exhibit retarded oligodendrocyte differentiation and a virtual loss of serotonergic neurons at the r2 level of the hindbrain. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921539E11Rik T C 4: 103,092,871 (GRCm39) K150R probably damaging Het
Aak1 T C 6: 86,827,171 (GRCm39) V46A probably damaging Het
Abcb9 T C 5: 124,228,212 (GRCm39) T10A probably benign Het
Acaca A G 11: 84,185,813 (GRCm39) D116G possibly damaging Het
Adam33 G A 2: 130,903,115 (GRCm39) P43L probably benign Het
Adamtsl2 T A 2: 26,988,604 (GRCm39) probably null Het
Akap13 A G 7: 75,327,255 (GRCm39) probably benign Het
Art1 T A 7: 101,756,385 (GRCm39) L192Q probably damaging Het
Baalc A G 15: 38,796,575 (GRCm39) probably benign Het
Baz2a A G 10: 127,946,978 (GRCm39) E164G probably damaging Het
Bcs1l A G 1: 74,631,144 (GRCm39) I391V probably benign Het
Cacna1c T C 6: 118,673,386 (GRCm39) T497A probably damaging Het
Cap2 C A 13: 46,763,586 (GRCm39) T164N probably damaging Het
Ccdc57 A G 11: 120,751,225 (GRCm39) probably null Het
Ccdc88c T C 12: 100,904,338 (GRCm39) N1120S probably benign Het
Cfap210 T C 2: 69,612,452 (GRCm39) E96G possibly damaging Het
Chd7 T A 4: 8,844,706 (GRCm39) V1605D probably damaging Het
Col12a1 A T 9: 79,622,622 (GRCm39) probably benign Het
Commd3 T C 2: 18,677,339 (GRCm39) S22P probably benign Het
Cpd T C 11: 76,737,063 (GRCm39) I244V probably benign Het
Cpeb2 C A 5: 43,390,817 (GRCm39) probably benign Het
Cyp2c65 A G 19: 39,060,635 (GRCm39) D165G probably damaging Het
Ddx1 T C 12: 13,289,148 (GRCm39) Y152C probably damaging Het
Dennd4a G A 9: 64,804,531 (GRCm39) C1290Y possibly damaging Het
Ebf4 G A 2: 130,148,965 (GRCm39) M232I probably benign Het
Farp2 A G 1: 93,502,192 (GRCm39) probably null Het
Frk T C 10: 34,360,233 (GRCm39) V78A probably benign Het
Gm5799 A G 14: 43,782,098 (GRCm39) D90G probably damaging Het
Gpr45 C G 1: 43,069,613 (GRCm39) probably benign Het
Hfm1 C T 5: 107,002,606 (GRCm39) probably null Het
Igkv4-57-1 T A 6: 69,521,387 (GRCm39) D105V probably damaging Het
Impdh2-ps A G 8: 100,757,995 (GRCm39) noncoding transcript Het
Kctd4 G A 14: 76,200,217 (GRCm39) V63I probably benign Het
Lcn6 T A 2: 25,570,822 (GRCm39) L137M probably damaging Het
Lonrf1 T C 8: 36,687,126 (GRCm39) N737D probably benign Het
Mcu C T 10: 59,303,511 (GRCm39) V109M probably damaging Het
Mecom C A 3: 30,039,500 (GRCm39) K186N probably damaging Het
Muc4 T C 16: 32,753,802 (GRCm38) I1226T probably benign Het
Mybpc1 T C 10: 88,384,727 (GRCm39) D533G probably damaging Het
Nae1 A C 8: 105,246,416 (GRCm39) C294G probably damaging Het
Ncapg2 T G 12: 116,379,077 (GRCm39) H190Q probably damaging Het
Nrxn3 C T 12: 90,171,483 (GRCm39) T295I probably damaging Het
Obscn C T 11: 58,897,652 (GRCm39) probably benign Het
Obscn A T 11: 58,931,293 (GRCm39) M5781K probably damaging Het
Or11g24 A G 14: 50,662,206 (GRCm39) T77A possibly damaging Het
Or4k39 T C 2: 111,239,570 (GRCm39) noncoding transcript Het
Or4z4 T A 19: 12,076,110 (GRCm39) M298L probably benign Het
Pcdhb6 C A 18: 37,467,381 (GRCm39) P101T probably damaging Het
Pot1b A G 17: 55,979,885 (GRCm39) S324P possibly damaging Het
Potefam1 T C 2: 111,034,490 (GRCm39) probably null Het
Ppcdc C T 9: 57,342,194 (GRCm39) V43I probably benign Het
Prr13 A T 15: 102,369,120 (GRCm39) probably benign Het
Rab10os T A 12: 3,287,322 (GRCm39) noncoding transcript Het
Rabgap1 T C 2: 37,422,531 (GRCm39) S595P probably damaging Het
Rap1gap T C 4: 137,439,440 (GRCm39) S126P probably damaging Het
Rgs6 A T 12: 83,114,185 (GRCm39) probably null Het
Slc5a6 T A 5: 31,194,228 (GRCm39) K610* probably null Het
Sun5 C T 2: 153,711,386 (GRCm39) V27I probably benign Het
Tmco5b T C 2: 113,120,102 (GRCm39) I126T probably benign Het
Tmed7 G A 18: 46,726,480 (GRCm39) Q92* probably null Het
Trav7d-2 A G 14: 52,921,885 (GRCm39) D98G probably benign Het
Trbv16 T A 6: 41,128,936 (GRCm39) L40Q probably damaging Het
Ush2a T C 1: 188,485,848 (GRCm39) V2986A probably benign Het
Usp33 T C 3: 152,064,310 (GRCm39) V58A probably benign Het
Vmn2r94 T A 17: 18,477,293 (GRCm39) M373L probably benign Het
Ywhaq T C 12: 21,467,512 (GRCm39) probably benign Het
Zbbx G A 3: 74,989,054 (GRCm39) H345Y possibly damaging Het
Zfp346 G T 13: 55,261,626 (GRCm39) probably benign Het
Zfp616 C T 11: 73,975,033 (GRCm39) A434V probably benign Het
Zfp992 C T 4: 146,551,976 (GRCm39) H566Y probably damaging Het
Other mutations in Nkx2-2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01660:Nkx2-2 APN 2 147,027,833 (GRCm39) missense probably benign 0.03
IGL03026:Nkx2-2 APN 2 147,027,742 (GRCm39) missense probably damaging 0.96
R0212:Nkx2-2 UTSW 2 147,026,090 (GRCm39) missense probably damaging 0.99
R4024:Nkx2-2 UTSW 2 147,026,154 (GRCm39) missense probably benign 0.07
R5645:Nkx2-2 UTSW 2 147,026,319 (GRCm39) missense probably damaging 1.00
R6024:Nkx2-2 UTSW 2 147,025,961 (GRCm39) missense probably benign 0.00
R6482:Nkx2-2 UTSW 2 147,027,896 (GRCm39) missense probably damaging 1.00
R7852:Nkx2-2 UTSW 2 147,026,189 (GRCm39) missense probably damaging 1.00
R7859:Nkx2-2 UTSW 2 147,019,730 (GRCm39) missense unknown
R8792:Nkx2-2 UTSW 2 147,019,813 (GRCm39) missense probably benign 0.22
R9633:Nkx2-2 UTSW 2 147,027,686 (GRCm39) missense possibly damaging 0.86
Predicted Primers PCR Primer
(F):5'- TGTTTCAAAATCTAGGGATCCGGG -3'
(R):5'- GAACCATGTCGCTGACCAAC -3'

Sequencing Primer
(F):5'- GGACTTGGACATTAAATGGCTTC -3'
(R):5'- CACAAAGACGGGGTTTTCAGTC -3'
Posted On 2016-02-04