Incidental Mutation 'R2312:Slc9a8'
ID 247323
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 040311-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2312 (G1)
Quality Score 182
Status Not validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 167293196 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 181 (H181Q)
Ref Sequence ENSEMBL: ENSMUSP00000104841 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047815] [ENSMUST00000073873] [ENSMUST00000109218]
AlphaFold Q8R4D1
Predicted Effect probably benign
Transcript: ENSMUST00000047815
AA Change: H208Q

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: H208Q

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 probably benign
Transcript: ENSMUST00000073873
AA Change: H181Q

PolyPhen 2 Score 0.011 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: H181Q

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 probably benign
Transcript: ENSMUST00000109218
AA Change: H181Q

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: H181Q

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: ENSMUST00000135353
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155585
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148454
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139673
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149607
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.8%
  • 20x: 93.5%
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aqp12 A G 1: 92,934,531 (GRCm39) E136G probably benign Het
Bltp3b A G 10: 89,616,995 (GRCm39) T179A probably damaging Het
Cdhr4 G A 9: 107,872,486 (GRCm39) V244I probably benign Het
Col1a2 G A 6: 4,518,822 (GRCm39) probably benign Het
Crygf A T 1: 65,965,717 (GRCm39) M1L probably benign Het
Dapk1 G T 13: 60,905,167 (GRCm39) C959F probably damaging Het
Dop1a C G 9: 86,403,495 (GRCm39) S1565* probably null Het
Eya4 A G 10: 22,982,163 (GRCm39) S622P probably damaging Het
Fbln1 T C 15: 85,147,549 (GRCm39) V598A probably benign Het
Gldc A T 19: 30,078,226 (GRCm39) F924I probably damaging Het
H1f10 T C 6: 87,958,130 (GRCm39) Y70C probably damaging Het
Herc1 C A 9: 66,415,563 (GRCm39) S4846* probably null Het
Jmjd1c A T 10: 67,074,629 (GRCm39) K1917N probably damaging Het
Kcnh2 A G 5: 24,529,952 (GRCm39) probably null Het
Lmtk2 T C 5: 144,110,444 (GRCm39) F388S probably damaging Het
Lpar1 A C 4: 58,487,168 (GRCm39) Y34* probably null Het
Lrpprc G A 17: 85,080,686 (GRCm39) P180S probably damaging Het
Mex3a A G 3: 88,443,785 (GRCm39) H287R probably damaging Het
Nid1 A G 13: 13,675,078 (GRCm39) T933A probably benign Het
Or52r1c A G 7: 102,735,633 (GRCm39) T298A probably damaging Het
Pcdhb7 A G 18: 37,475,250 (GRCm39) T129A probably benign Het
Pfkm T A 15: 98,023,456 (GRCm39) Y385N probably damaging Het
Prmt2 G A 10: 76,062,089 (GRCm39) Q39* probably null Het
Prx T C 7: 27,216,051 (GRCm39) V184A possibly damaging Het
Ptgdr A C 14: 45,096,619 (GRCm39) L31R probably damaging Het
Rab3b A G 4: 108,747,691 (GRCm39) T63A probably damaging Het
Rassf1 T C 9: 107,434,749 (GRCm39) M156T probably damaging Het
Rhobtb1 C A 10: 69,106,293 (GRCm39) S286* probably null Het
Rin2 C T 2: 145,702,366 (GRCm39) T354I probably benign Het
Rmnd1 A T 10: 4,377,466 (GRCm39) M71K probably benign Het
Rnf130 T A 11: 49,978,290 (GRCm39) probably null Het
Rxrb T A 17: 34,251,103 (GRCm39) probably benign Het
Ryr2 G T 13: 11,753,128 (GRCm39) T1731K probably damaging Het
Serpine2 A T 1: 79,780,570 (GRCm39) L293Q probably damaging Het
Skint6 T C 4: 113,095,339 (GRCm39) T107A probably damaging Het
Spaca3 A T 11: 80,754,037 (GRCm39) Y58F possibly damaging Het
Sptbn1 T C 11: 30,104,249 (GRCm39) T152A probably damaging Het
Tlr2 A G 3: 83,744,847 (GRCm39) L412P probably damaging Het
Trak2 A G 1: 58,974,941 (GRCm39) S84P probably damaging Het
Trappc9 G A 15: 72,897,816 (GRCm39) R377W probably damaging Het
Trpm2 C A 10: 77,754,798 (GRCm39) E1229D probably benign Het
Ttc14 A G 3: 33,861,984 (GRCm39) probably null Het
Tyrp1 G A 4: 80,755,801 (GRCm39) W190* probably null Het
Ulk1 C T 5: 110,937,223 (GRCm39) R691Q probably benign Het
Vegfb C A 19: 6,962,795 (GRCm39) R160L possibly damaging Het
Vmn1r220 A G 13: 23,368,147 (GRCm39) M183T probably damaging Het
Vmn2r112 T A 17: 22,822,096 (GRCm39) V258E probably damaging Het
Wnt10a C A 1: 74,842,589 (GRCm39) A355E possibly 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
R1773:Slc9a8 UTSW 2 167,313,385 (GRCm39) missense possibly damaging 0.57
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
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'- CTAGAACAGAGTGTGGTGCAGC -3'
(R):5'- CCTGTCAGAGTGGCAAGATG -3'

Sequencing Primer
(F):5'- GAAACCAGGCTCAGCACTGTG -3'
(R):5'- ATGCAGTCGTGAGTTGACCAC -3'
Posted On 2014-11-11