Incidental Mutation 'R1773:Slc9a8'
ID 196784
Institutional Source Beutler Lab
Gene Symbol Slc9a8
Ensembl Gene ENSMUSG00000039463
Gene Name solute carrier family 9 (sodium/hydrogen exchanger), member 8
Synonyms 1200006P13Rik, 6430709P13Rik, NHE8
MMRRC Submission 039804-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1773 (G1)
Quality Score 193
Status Not validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 167313385 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 416 (T416S)
Ref Sequence ENSEMBL: ENSMUSP00000104841 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047815] [ENSMUST00000073873] [ENSMUST00000109218]
AlphaFold Q8R4D1
Predicted Effect possibly damaging
Transcript: ENSMUST00000047815
AA Change: T447S

PolyPhen 2 Score 0.567 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: T447S

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 57 468 3.3e-69 PFAM
low complexity region 497 513 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000073873
AA Change: T420S

PolyPhen 2 Score 0.511 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: T420S

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 54 441 3.5e-62 PFAM
low complexity region 470 486 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000109218
AA Change: T416S

PolyPhen 2 Score 0.567 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: T416S

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 54 437 3.7e-61 PFAM
low complexity region 466 482 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125855
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131956
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139673
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149607
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155585
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148454
Coding Region Coverage
  • 1x: 97.5%
  • 3x: 96.9%
  • 10x: 95.4%
  • 20x: 92.9%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a member of the Na+/H+ exchanger (NHE) family of integral membrane transporter proteins. The encoded protein is expressed on the apical membrane of the intestinal epithelial cells and plays an important role in mucosal protection. Loss of the encoded protein in mice results in a decrease in the number of goblet and mucin-positive cells, disorganization of the mucin layer, and a decrease in mucosal pH in the colon. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2015]
PHENOTYPE: Mice homozygous for a gene trap allele exhibit male infertility, impaired mucin synthesis and bicarbonate secretion in the colon, abnormal blood coagulation and increased length of the small intestine, cecum and ileum crypts. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 96 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310022A10Rik A G 7: 27,280,020 (GRCm39) K334E probably damaging Het
Abca12 A G 1: 71,327,755 (GRCm39) Y1442H probably damaging Het
Acot12 A G 13: 91,905,676 (GRCm39) T79A probably benign Het
Adipoq A C 16: 22,973,988 (GRCm39) Q26P unknown Het
Afg2a T C 3: 37,493,334 (GRCm39) F515L probably damaging Het
Akap13 T A 7: 75,333,199 (GRCm39) N1582K possibly damaging Het
Alg9 A G 9: 50,690,396 (GRCm39) T133A probably benign Het
Anks3 T C 16: 4,765,158 (GRCm39) T418A probably benign Het
Ano3 A C 2: 110,591,800 (GRCm39) L37R probably damaging Het
Ano9 A G 7: 140,688,291 (GRCm39) F178L possibly damaging Het
Arhgef12 A G 9: 42,916,838 (GRCm39) probably null Het
Arl16 T A 11: 120,356,589 (GRCm39) I137F possibly damaging Het
Brpf1 T A 6: 113,296,892 (GRCm39) S959T possibly damaging Het
Ccdc27 C T 4: 154,126,222 (GRCm39) R89Q unknown Het
Cd109 A C 9: 78,611,006 (GRCm39) Q1207H probably benign Het
Cd14 A T 18: 36,858,357 (GRCm39) V366D possibly damaging Het
Cep290 G A 10: 100,346,435 (GRCm39) V538I probably benign Het
Cep57 G A 9: 13,727,364 (GRCm39) A202V probably damaging Het
Chl1 T C 6: 103,624,292 (GRCm39) probably null Het
Cmah T G 13: 24,601,282 (GRCm39) F29L probably benign Het
Cracd G T 5: 77,015,052 (GRCm39) A42S possibly damaging Het
Crybg1 A G 10: 43,868,544 (GRCm39) V1378A possibly damaging Het
Cryzl2 A G 1: 157,298,292 (GRCm39) K227R probably benign Het
D130043K22Rik T G 13: 25,066,585 (GRCm39) V794G possibly damaging Het
Ddx4 T A 13: 112,736,436 (GRCm39) T645S probably benign Het
Dhcr7 C T 7: 143,401,195 (GRCm39) R453C possibly damaging Het
Dhx8 T C 11: 101,643,189 (GRCm39) Y754H possibly damaging Het
Dip2b T A 15: 100,091,842 (GRCm39) D860E probably benign Het
Dnah7a T C 1: 53,472,046 (GRCm39) probably null Het
Dst A G 1: 34,330,980 (GRCm39) D6937G probably damaging Het
Dusp1 A G 17: 26,726,081 (GRCm39) I204T probably damaging Het
Dync2h1 T A 9: 7,128,256 (GRCm39) Q1859L probably damaging Het
E4f1 C A 17: 24,665,558 (GRCm39) G328V probably damaging Het
Eml5 T C 12: 98,765,098 (GRCm39) Y1617C probably damaging Het
Espn G T 4: 152,212,686 (GRCm39) P622Q probably damaging Het
Fam184b G A 5: 45,741,676 (GRCm39) P185L possibly damaging Het
Fn1 T A 1: 71,676,542 (GRCm39) D563V probably damaging Het
Gad2 A G 2: 22,580,219 (GRCm39) Y540C probably benign Het
Garin1b T C 6: 29,334,152 (GRCm39) S335P possibly damaging Het
Gdf11 T C 10: 128,727,163 (GRCm39) D131G probably damaging Het
Gm19965 T A 1: 116,748,989 (GRCm39) Y223* probably null Het
H2-M10.6 A G 17: 37,123,076 (GRCm39) K3R probably benign Het
Hid1 A G 11: 115,239,336 (GRCm39) Y776H probably damaging Het
Hivep3 A T 4: 119,956,034 (GRCm39) K1450I probably damaging Het
Icam5 T C 9: 20,944,821 (GRCm39) L128P possibly damaging Het
Idnk T C 13: 58,305,526 (GRCm39) V9A probably damaging Het
Il4ra A T 7: 125,166,354 (GRCm39) T33S possibly damaging Het
Ino80 A G 2: 119,248,890 (GRCm39) V990A probably benign Het
Krtap4-9 T C 11: 99,676,396 (GRCm39) probably benign Het
Lrrk2 A G 15: 91,664,184 (GRCm39) I1974V possibly damaging Het
Mcm3ap C T 10: 76,306,994 (GRCm39) A369V probably benign Het
Nek6 A G 2: 38,472,431 (GRCm39) M252V probably benign Het
Nfasc T A 1: 132,538,577 (GRCm39) I443F probably damaging Het
Nme8 T G 13: 19,881,206 (GRCm39) M1L probably damaging Het
Npnt T A 3: 132,610,454 (GRCm39) Q423L possibly damaging Het
Nup133 A T 8: 124,657,722 (GRCm39) C404* probably null Het
Or2b7 T C 13: 21,739,982 (GRCm39) D70G probably damaging Het
Or4c124 A G 2: 89,156,086 (GRCm39) V146A probably benign Het
Or4f14b A G 2: 111,775,204 (GRCm39) V199A possibly damaging Het
Or56a4 T C 7: 104,806,190 (GRCm39) E233G probably benign Het
Or5an1c T C 19: 12,219,023 (GRCm39) M1V probably null Het
Or6c213 A G 10: 129,574,312 (GRCm39) L158S probably damaging Het
Otog T A 7: 45,937,583 (GRCm39) I1764N probably benign Het
Oxa1l A G 14: 54,600,909 (GRCm39) I127M probably benign Het
P4hb C A 11: 120,463,552 (GRCm39) V28F probably damaging Het
Pbld2 C T 10: 62,890,150 (GRCm39) A186V probably benign Het
Pdzph1 G T 17: 59,281,808 (GRCm39) T158K probably damaging Het
Pgm2 T A 5: 64,265,194 (GRCm39) probably null Het
Phip A T 9: 82,758,242 (GRCm39) S1484T probably benign Het
Pikfyve T C 1: 65,231,430 (GRCm39) L100P probably damaging Het
Pikfyve T C 1: 65,285,529 (GRCm39) S923P probably benign Het
Pla2g4e A G 2: 120,075,202 (GRCm39) S63P probably benign Het
Plekhh2 A G 17: 84,906,693 (GRCm39) E1176G probably damaging Het
Prlr T A 15: 10,325,404 (GRCm39) Y192* probably null Het
Pten T A 19: 32,775,472 (GRCm39) C71S probably damaging Het
Rbbp8nl A G 2: 179,922,987 (GRCm39) L202P probably benign Het
Ripor2 T A 13: 24,885,237 (GRCm39) S491T probably benign Het
Robo1 A T 16: 72,801,399 (GRCm39) I1008F probably benign Het
Scg2 T C 1: 79,413,352 (GRCm39) N417S probably benign Het
Scn8a A G 15: 100,937,496 (GRCm39) I1581V probably damaging Het
Slc22a8 T A 19: 8,571,593 (GRCm39) I108N probably damaging Het
Spata32 T A 11: 103,099,644 (GRCm39) E287V probably damaging Het
Tgfbrap1 C T 1: 43,114,512 (GRCm39) G196D probably damaging Het
Tgm5 G T 2: 120,908,131 (GRCm39) T15K possibly damaging Het
Tmc1 C T 19: 20,803,865 (GRCm39) probably null Het
Tmem177 T C 1: 119,838,306 (GRCm39) I124M possibly damaging Het
Trim30a A G 7: 104,085,108 (GRCm39) F34S probably damaging Het
Tsn T C 1: 118,232,969 (GRCm39) T112A probably benign Het
Tspyl5 T G 15: 33,686,922 (GRCm39) N341T probably benign Het
Vmn2r108 C T 17: 20,689,335 (GRCm39) C540Y probably damaging Het
Vrtn C T 12: 84,696,998 (GRCm39) R583W probably damaging Het
Wnt1 T C 15: 98,689,638 (GRCm39) S142P probably damaging Het
Wrn A T 8: 33,833,589 (GRCm39) I108N probably damaging Het
Zfhx2 A C 14: 55,310,348 (GRCm39) C733G possibly damaging Het
Zfp219 T C 14: 52,244,563 (GRCm39) T539A probably damaging Het
Zswim8 T A 14: 20,761,598 (GRCm39) M177K probably damaging Het
Other mutations in Slc9a8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01616:Slc9a8 APN 2 167,266,086 (GRCm39) missense possibly damaging 0.46
IGL02626:Slc9a8 APN 2 167,309,597 (GRCm39) splice site probably benign
costello UTSW 2 167,293,216 (GRCm39) missense probably damaging 1.00
R0270:Slc9a8 UTSW 2 167,293,216 (GRCm39) missense probably damaging 1.00
R0417:Slc9a8 UTSW 2 167,299,264 (GRCm39) missense probably benign 0.00
R0504:Slc9a8 UTSW 2 167,266,125 (GRCm39) missense probably benign
R0906:Slc9a8 UTSW 2 167,276,787 (GRCm39) intron probably benign
R1216:Slc9a8 UTSW 2 167,266,041 (GRCm39) missense probably benign 0.00
R1225:Slc9a8 UTSW 2 167,313,443 (GRCm39) missense probably benign 0.20
R1604:Slc9a8 UTSW 2 167,313,352 (GRCm39) missense probably benign 0.09
R1728:Slc9a8 UTSW 2 167,266,065 (GRCm39) missense probably benign 0.00
R1729:Slc9a8 UTSW 2 167,266,065 (GRCm39) missense probably benign 0.00
R1775:Slc9a8 UTSW 2 167,299,278 (GRCm39) missense probably benign 0.12
R1918:Slc9a8 UTSW 2 167,266,134 (GRCm39) missense possibly damaging 0.95
R2312:Slc9a8 UTSW 2 167,293,196 (GRCm39) missense probably benign 0.01
R3031:Slc9a8 UTSW 2 167,293,201 (GRCm39) missense probably damaging 1.00
R3752:Slc9a8 UTSW 2 167,299,272 (GRCm39) missense probably benign
R3757:Slc9a8 UTSW 2 167,266,050 (GRCm39) missense probably benign 0.01
R4499:Slc9a8 UTSW 2 167,266,113 (GRCm39) missense probably benign 0.01
R4746:Slc9a8 UTSW 2 167,283,090 (GRCm39) nonsense probably null
R4904:Slc9a8 UTSW 2 167,313,316 (GRCm39) missense possibly damaging 0.51
R4969:Slc9a8 UTSW 2 167,288,449 (GRCm39) missense probably benign 0.06
R5395:Slc9a8 UTSW 2 167,309,642 (GRCm39) missense probably damaging 0.99
R5811:Slc9a8 UTSW 2 167,313,307 (GRCm39) nonsense probably null
R5908:Slc9a8 UTSW 2 167,293,090 (GRCm39) intron probably benign
R6311:Slc9a8 UTSW 2 167,293,140 (GRCm39) missense probably damaging 1.00
R6443:Slc9a8 UTSW 2 167,276,741 (GRCm39) missense probably benign 0.00
R6494:Slc9a8 UTSW 2 167,266,211 (GRCm39) missense probably damaging 1.00
R7161:Slc9a8 UTSW 2 167,307,303 (GRCm39) missense possibly damaging 0.90
R7322:Slc9a8 UTSW 2 167,293,222 (GRCm39) missense probably damaging 1.00
R7354:Slc9a8 UTSW 2 167,316,051 (GRCm39) missense possibly damaging 0.93
R7896:Slc9a8 UTSW 2 167,307,278 (GRCm39) missense probably benign 0.07
R8095:Slc9a8 UTSW 2 167,310,891 (GRCm39) missense probably damaging 0.99
R8725:Slc9a8 UTSW 2 167,315,454 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GGCCATTCCCATCAGAATCAGATCC -3'
(R):5'- AAGAGCCCTGTTTCAGAAGCCAAG -3'

Sequencing Primer
(F):5'- TCAGAATCAGATCCCACTAAAGC -3'
(R):5'- TGGCTCCGAGGTAAGCAC -3'
Posted On 2014-05-23