Incidental Mutation 'R4499:Slc9a8'
ID 331737
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 041752-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4499 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 167266113 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 30 (L30Q)
Ref Sequence ENSEMBL: ENSMUSP00000073536 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047815] [ENSMUST00000073873] [ENSMUST00000109218]
AlphaFold Q8R4D1
Predicted Effect probably benign
Transcript: ENSMUST00000047815
AA Change: L30Q

PolyPhen 2 Score 0.010 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: L30Q

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: L30Q

PolyPhen 2 Score 0.010 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: L30Q

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: L30Q

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: L30Q

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: ENSMUST00000150326
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149607
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.9%
Validation Efficiency 92% (47/51)
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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2210408I21Rik T A 13: 77,464,646 (GRCm39) W948R possibly damaging Het
Ache A C 5: 137,290,194 (GRCm39) M508L probably damaging Het
Adgrb2 A T 4: 129,886,454 (GRCm39) E198V probably damaging Het
Adgrl4 A G 3: 151,216,422 (GRCm39) N535S possibly damaging Het
Agbl3 T C 6: 34,834,533 (GRCm39) S906P probably benign Het
Akna T C 4: 63,313,278 (GRCm39) T282A probably benign Het
Arfgef2 G A 2: 166,727,734 (GRCm39) V1561M probably damaging Het
Arfgef3 T C 10: 18,484,091 (GRCm39) D1388G possibly damaging Het
Asnsd1 A G 1: 53,387,129 (GRCm39) V166A probably benign Het
Bank1 T C 3: 135,990,004 (GRCm39) I29V probably benign Het
Bpifb5 A T 2: 154,082,678 (GRCm39) I484F possibly damaging Het
Camta2 T C 11: 70,565,512 (GRCm39) E788G probably damaging Het
Ccdc18 T G 5: 108,376,826 (GRCm39) S1422R possibly damaging Het
Cdc42bpg C T 19: 6,370,585 (GRCm39) P1226L possibly damaging Het
Cep126 T C 9: 8,101,589 (GRCm39) N315S possibly damaging Het
Dcaf4 T A 12: 83,586,134 (GRCm39) L367Q probably damaging Het
Dcc A T 18: 71,680,388 (GRCm39) V616D probably benign Het
Dennd4a G A 9: 64,817,405 (GRCm39) D1680N possibly damaging Het
Dgkq C G 5: 108,797,527 (GRCm39) E788D possibly damaging Het
Dpep2 T C 8: 106,712,114 (GRCm39) E282G probably benign Het
Gm8221 T A 15: 77,510,245 (GRCm39) noncoding transcript Het
Ice1 T C 13: 70,757,146 (GRCm39) S280G possibly damaging Het
Lrrc2 A T 9: 110,791,713 (GRCm39) Q155L probably benign Het
Mesd G A 7: 83,547,185 (GRCm39) R216Q probably benign Het
Msh6 T A 17: 88,287,697 (GRCm39) N112K probably damaging Het
Myo15b A G 11: 115,781,778 (GRCm39) E307G probably benign Het
Nod1 T A 6: 54,920,981 (GRCm39) N446Y probably damaging Het
Nrap G A 19: 56,339,913 (GRCm39) T787I probably damaging Het
P2ry12 A G 3: 59,125,078 (GRCm39) I199T probably damaging Het
Prr11 T G 11: 86,989,533 (GRCm39) K279N possibly damaging Het
Psg25 C T 7: 18,258,816 (GRCm39) E287K possibly damaging Het
Rusc1 T C 3: 88,999,615 (GRCm39) S56G probably benign Het
Slc16a7 T C 10: 125,064,056 (GRCm39) N427S probably damaging Het
Slc47a1 T A 11: 61,250,355 (GRCm39) I341L probably benign Het
Ssh2 T A 11: 77,283,893 (GRCm39) L49* probably null Het
Stard9 T A 2: 120,530,722 (GRCm39) D2326E probably benign Het
Thbs1 T C 2: 117,950,431 (GRCm39) I688T possibly damaging Het
Ttn T A 2: 76,746,822 (GRCm39) E4742D probably benign Het
Vps37b T C 5: 124,145,689 (GRCm39) I117V probably damaging Het
Xirp2 A T 2: 67,343,782 (GRCm39) M2008L probably benign Het
Zfp1005 T G 2: 150,111,362 (GRCm39) V684G possibly damaging Het
Zfp53 A G 17: 21,729,497 (GRCm39) E510G probably damaging Het
Zswim8 T A 14: 20,764,365 (GRCm39) S578R probably benign 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
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'- AAGATAATAGAAGTCTCTGGTGTGC -3'
(R):5'- TCAAAAGCTAAGACATTGCTCTCTG -3'

Sequencing Primer
(F):5'- TTCAAGGCCTGTCTGCTG -3'
(R):5'- GCTAAGACATTGCTCTCTGGAACTG -3'
Posted On 2015-07-21