Incidental Mutation 'R3757:Slc9a8'
ID 271470
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
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3757 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 167266050 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Lysine at position 9 (T9K)
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: T9K

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: T9K

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: T9K

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: T9K

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: T9K

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: T9K

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: ENSMUST00000149607
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150326
Meta Mutation Damage Score 0.0628 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.3%
Validation Efficiency 92% (35/38)
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: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamtsl3 T A 7: 81,986,415 (GRCm39) I9K probably benign Het
Arhgap31 T C 16: 38,457,362 (GRCm39) E82G probably damaging Het
Asap2 T A 12: 21,317,767 (GRCm39) S993T probably damaging Het
Bmpr1a A T 14: 34,156,624 (GRCm39) L134* probably null Het
Cacna1e A G 1: 154,509,442 (GRCm39) V271A probably damaging Het
Cacna2d4 A G 6: 119,218,124 (GRCm39) E153G probably damaging Het
Cage1 A C 13: 38,209,705 (GRCm39) F91V possibly damaging Het
Cdh24 T C 14: 54,869,637 (GRCm39) D760G possibly damaging Het
Col9a1 T C 1: 24,271,312 (GRCm39) probably null Het
Cts6 A T 13: 61,349,972 (GRCm39) Y36* probably null Het
Dennd3 C G 15: 73,394,083 (GRCm39) A36G probably benign Het
Dmxl1 G A 18: 50,068,384 (GRCm39) G2719D probably damaging Het
Dnajc28 G A 16: 91,413,755 (GRCm39) T187M probably damaging Het
Ep300 T A 15: 81,532,790 (GRCm39) V1676E unknown Het
Ercc4 C T 16: 12,962,360 (GRCm39) T668M probably benign Het
G530012D18Rik CAGAGAGA CAGAGAGAGA 1: 85,504,945 (GRCm39) probably null Het
Gm10985 GCTCTCTCTCTCTCTCTCTCTCTCTCTCT GCTCTCTCTCTCTCTCTCTCTCTCTCTCTCT 3: 53,752,645 (GRCm39) probably null Het
H1f4 T A 13: 23,806,240 (GRCm39) K81* probably null Het
Havcr1 G T 11: 46,643,407 (GRCm39) R109L probably damaging Het
Krtap4-9 A G 11: 99,676,444 (GRCm39) probably benign Het
Layn T C 9: 50,970,856 (GRCm39) E229G probably benign Het
Lpcat3 T A 6: 124,676,955 (GRCm39) probably null Het
Lrrn1 T A 6: 107,546,169 (GRCm39) F656I possibly damaging Het
Lypd1 A G 1: 125,838,121 (GRCm39) probably benign Het
Or4k41 T A 2: 111,279,602 (GRCm39) V39E possibly damaging Het
Or5v1b T A 17: 37,841,246 (GRCm39) I126N probably damaging Het
Or6c207 T C 10: 129,104,934 (GRCm39) D86G probably damaging Het
Ptprt A T 2: 161,653,950 (GRCm39) L560Q probably damaging Het
Rbm11 T C 16: 75,393,469 (GRCm39) V55A probably damaging Het
Scn11a C T 9: 119,632,569 (GRCm39) V434I probably benign Het
Serpinc1 A G 1: 160,829,935 (GRCm39) T434A probably benign Het
Setd2 T C 9: 110,402,753 (GRCm39) I1798T probably damaging Het
Sfswap A G 5: 129,590,298 (GRCm39) Y265C probably damaging Het
Synpo T C 18: 60,736,062 (GRCm39) D389G probably damaging Het
Vmn1r181 C T 7: 23,683,909 (GRCm39) L125F possibly damaging Het
Wdfy4 A C 14: 32,745,331 (GRCm39) H2296Q 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
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'- AGATAATAGAAGTCTCTGGTGTGC -3'
(R):5'- AGACATTGCTCTCTGGAACTGC -3'

Sequencing Primer
(F):5'- CTTTGTAGGCAGGAGTTCCTC -3'
(R):5'- CTGTGGGCTTATTCACCTAGGAC -3'
Posted On 2015-03-18