Incidental Mutation 'R6443:Slc9a8'
ID 519077
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 044581-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6443 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 167276741 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 78 (R78H)
Ref Sequence ENSEMBL: ENSMUSP00000044185 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047815] [ENSMUST00000073873] [ENSMUST00000109218]
AlphaFold Q8R4D1
Predicted Effect probably benign
Transcript: ENSMUST00000047815
AA Change: R78H

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: R78H

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
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463

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
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463

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: ENSMUST00000124139
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131956
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135353
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139673
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149607
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.5%
  • 20x: 91.9%
Validation Efficiency 97% (37/38)
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aasdhppt A G 9: 4,309,357 (GRCm39) L27P probably damaging Het
Actr6 T C 10: 89,550,733 (GRCm39) N354D probably damaging Het
Apbb1 T A 7: 105,222,970 (GRCm39) N214Y probably damaging Het
Bcar1 A T 8: 112,441,970 (GRCm39) V290E probably damaging Het
Ces1f T A 8: 94,001,993 (GRCm39) Q45L probably benign Het
Ctss A C 3: 95,454,114 (GRCm39) K221T probably benign Het
Dclre1b T A 3: 103,710,504 (GRCm39) N469I possibly damaging Het
Dnah12 C A 14: 26,600,008 (GRCm39) Q3683K probably benign Het
Dnah8 A G 17: 30,990,859 (GRCm39) I3301V probably benign Het
Ephb4 G A 5: 137,358,711 (GRCm39) G298E probably damaging Het
Eya3 T C 4: 132,439,238 (GRCm39) F455L probably damaging Het
Fkbp5 G T 17: 28,648,253 (GRCm39) A112D probably damaging Het
Glud1 T C 14: 34,061,884 (GRCm39) M468T probably benign Het
Gm5114 C A 7: 39,057,141 (GRCm39) R826L possibly damaging Het
Gramd2b G A 18: 56,618,457 (GRCm39) V222I probably benign Het
Kif1b T C 4: 149,277,053 (GRCm39) M1337V probably benign Het
Lpin2 T C 17: 71,548,663 (GRCm39) S576P probably benign Het
Lrrc1 A G 9: 77,341,314 (GRCm39) F415L probably damaging Het
Mtmr3 A T 11: 4,437,358 (GRCm39) I1032K probably damaging Het
Nr5a1 G A 2: 38,600,442 (GRCm39) T75M probably damaging Het
Nwd1 G A 8: 73,388,994 (GRCm39) V141I possibly damaging Het
Or1e1b-ps1 A T 11: 73,845,918 (GRCm39) Q134L probably benign Het
Or5ar1 T G 2: 85,671,979 (GRCm39) D52A probably damaging Het
Or6c214 C A 10: 129,591,277 (GRCm39) G14V probably damaging Het
Pla1a T C 16: 38,229,949 (GRCm39) probably null Het
Ppp1r36 A G 12: 76,464,413 (GRCm39) S4G probably benign Het
Rsf1 G GACGGCGGCT 7: 97,229,116 (GRCm39) probably benign Homo
Ryr1 A T 7: 28,776,503 (GRCm39) M2204K probably damaging Het
Ryr3 T C 2: 112,506,278 (GRCm39) N3428S possibly damaging Het
Slc6a4 A G 11: 76,914,027 (GRCm39) K526E probably benign Het
Sptbn1 T C 11: 30,089,429 (GRCm39) D611G possibly damaging Het
Sstr2 G A 11: 113,516,080 (GRCm39) probably null Het
Tcf7 G T 11: 52,144,765 (GRCm39) T286N probably benign Het
Txndc5 A G 13: 38,712,179 (GRCm39) M69T possibly damaging Het
Usp48 T A 4: 137,341,074 (GRCm39) V358E probably damaging Het
Vmn2r1 T A 3: 64,012,374 (GRCm39) I745K possibly damaging Het
Zfp354b A G 11: 50,813,581 (GRCm39) I448T possibly damaging Het
Zfp523 A T 17: 28,420,381 (GRCm39) T189S 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
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
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
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'- GTTTGTGGCAAATGCAGACCC -3'
(R):5'- GAGTTTCCTCGTTCACAATCAAC -3'

Sequencing Primer
(F):5'- TAGTGAGAATCAGACTCTGGGTCCC -3'
(R):5'- GTTTCCTCGTTCACAATCAACCAAAC -3'
Posted On 2018-05-24