Incidental Mutation 'R1604:Slc9a8'
ID 176310
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 039641-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1604 (G1)
Quality Score 190
Status Not validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 167313352 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 409 (P409S)
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: P436S

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: P436S

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: P409S

PolyPhen 2 Score 0.094 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: P409S

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: P405S

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: P405S

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: ENSMUST00000141400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155585
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148454
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149607
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.3%
  • 20x: 89.1%
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aldoart2 A G 12: 55,612,405 (GRCm39) D110G probably damaging Het
Angptl2 T C 2: 33,133,785 (GRCm39) M369T possibly damaging Het
Anks3 C T 16: 4,766,117 (GRCm39) V151M probably damaging Het
Arl6ip6 T C 2: 53,082,508 (GRCm39) L125P probably damaging Het
Bmp1 T C 14: 70,745,444 (GRCm39) Q247R possibly damaging Het
Ccdc30 A G 4: 119,188,793 (GRCm39) I491T probably damaging Het
Cdhr1 T A 14: 36,817,050 (GRCm39) I104F probably benign Het
Cdk17 G T 10: 93,068,360 (GRCm39) M372I probably damaging Het
Cyp2c54 A G 19: 40,058,787 (GRCm39) V215A probably benign Het
D430041D05Rik T A 2: 104,035,487 (GRCm39) I1614F probably damaging Het
Ddx55 A G 5: 124,697,369 (GRCm39) N244D probably damaging Het
Dop1b G T 16: 93,559,458 (GRCm39) V617F probably benign Het
Erbb4 G T 1: 68,385,728 (GRCm39) A287E possibly damaging Het
Fmnl2 A G 2: 52,995,549 (GRCm39) E424G probably damaging Het
Gad2 T C 2: 22,513,852 (GRCm39) probably null Het
Gm17421 G A 12: 113,333,155 (GRCm39) noncoding transcript Het
Gm9894 T A 13: 67,913,008 (GRCm39) noncoding transcript Het
Gnpat T C 8: 125,603,700 (GRCm39) S193P probably damaging Het
Gpr20 C T 15: 73,567,853 (GRCm39) V179M probably damaging Het
Hdgf T A 3: 87,821,347 (GRCm39) probably null Het
Itgb8 A T 12: 119,166,265 (GRCm39) L89M probably damaging Het
Lnx2 T C 5: 146,966,135 (GRCm39) D328G probably benign Het
Lrguk A G 6: 34,049,305 (GRCm39) T341A possibly damaging Het
Map1b A G 13: 99,566,080 (GRCm39) S2214P unknown Het
Mms22l T C 4: 24,502,804 (GRCm39) F131L probably damaging Het
Msmo1 A G 8: 65,180,689 (GRCm39) I75T probably damaging Het
Or10d1c A T 9: 38,893,914 (GRCm39) M142K probably benign Het
Or2a56 G A 6: 42,932,650 (GRCm39) A73T possibly damaging Het
Or51k1 G T 7: 103,661,162 (GRCm39) A249E probably damaging Het
Or8c13 A G 9: 38,091,645 (GRCm39) V158A probably benign Het
Or8d2 T G 9: 38,760,000 (GRCm39) F197V probably benign Het
Pkhd1l1 C T 15: 44,330,763 (GRCm39) R113* probably null Het
Polr2m T C 9: 71,390,959 (GRCm39) D81G probably damaging Het
Ppp1r15b T A 1: 133,060,287 (GRCm39) M268K probably benign Het
Ptprcap T A 19: 4,206,073 (GRCm39) L52* probably null Het
Rasgrp2 C T 19: 6,457,087 (GRCm39) T277I possibly damaging Het
Rrbp1 T C 2: 143,831,310 (GRCm39) N286D probably damaging Het
Scml2 G T X: 160,014,442 (GRCm39) E566D possibly damaging Het
Scrib A C 15: 75,920,089 (GRCm39) S1557A probably damaging Het
Sergef C A 7: 46,092,783 (GRCm39) V409L probably benign Het
Shisal1 T C 15: 84,290,672 (GRCm39) M212V probably benign Het
Slc6a13 A G 6: 121,309,328 (GRCm39) M280V probably benign Het
Smarca4 CGAGGAGGAGGAGGAGG CGAGGAGGAGGAGG 9: 21,612,239 (GRCm39) probably benign Het
Spc25 T C 2: 69,035,498 (GRCm39) D4G probably damaging Het
Specc1 C T 11: 61,933,883 (GRCm39) R88C probably damaging Het
Srsf11 C T 3: 157,724,948 (GRCm39) probably null Het
Stt3b T C 9: 115,079,995 (GRCm39) E639G probably damaging Het
Sult3a1 A C 10: 33,742,616 (GRCm39) E81A probably damaging Het
Taf1b G A 12: 24,606,623 (GRCm39) G481D probably benign Het
Tgm4 T C 9: 122,874,129 (GRCm39) V123A probably benign Het
Tie1 G T 4: 118,331,604 (GRCm39) H973N probably damaging Het
Tmem117 C T 15: 94,992,425 (GRCm39) R362W probably damaging Het
Txnip A T 3: 96,466,277 (GRCm39) Q107L probably benign Het
Ubap2 C T 4: 41,199,872 (GRCm39) A752T probably benign Het
Vcan A G 13: 89,837,780 (GRCm39) V1628A probably benign Het
Vmn2r115 T A 17: 23,564,245 (GRCm39) M139K probably benign Het
Wwp1 A G 4: 19,659,709 (GRCm39) V193A probably benign Het
Zcchc8 C T 5: 123,838,721 (GRCm39) A606T probably benign Het
Zfp131 G A 13: 120,230,316 (GRCm39) L371F probably damaging Het
Zfp518b T C 5: 38,830,949 (GRCm39) D352G probably damaging Het
Zfp784 A G 7: 5,039,453 (GRCm39) probably benign Het
Zfp940 A T 7: 29,545,500 (GRCm39) F136I 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
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
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'- TTCAAGGAGACCTAAGCCTGCCAC -3'
(R):5'- AAGAGCCCTGTTTCAGAAGCCAAG -3'

Sequencing Primer
(F):5'- TAAGCCTGCCACCCTGC -3'
(R):5'- TGGCTCCGAGGTAAGCAC -3'
Posted On 2014-04-24