Incidental Mutation 'R2098:St8sia4'
ID 230345
Institutional Source Beutler Lab
Gene Symbol St8sia4
Ensembl Gene ENSMUSG00000040710
Gene Name ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase 4
Synonyms PST-1, PST, Siat8d, ST8SiaIV
MMRRC Submission 040102-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2098 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 95515407-95595296 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 95581253 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Arginine at position 163 (H163R)
Ref Sequence ENSEMBL: ENSMUSP00000140534 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000043336] [ENSMUST00000189556]
AlphaFold Q64692
Predicted Effect probably damaging
Transcript: ENSMUST00000043336
AA Change: H163R

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000043477
Gene: ENSMUSG00000040710
AA Change: H163R

DomainStartEndE-ValueType
signal peptide 1 26 N/A INTRINSIC
Pfam:Glyco_transf_29 94 354 2.2e-73 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000187936
Predicted Effect probably damaging
Transcript: ENSMUST00000189556
AA Change: H163R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000140534
Gene: ENSMUSG00000040710
AA Change: H163R

DomainStartEndE-ValueType
signal peptide 1 28 N/A INTRINSIC
Pfam:Glyco_transf_29 90 266 2.2e-42 PFAM
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene catalyzes the polycondensation of alpha-2,8-linked sialic acid required for the synthesis of polysialic acid, a modulator of the adhesive properties of neural cell adhesion molecule (NCAM1). The encoded protein, which is a member of glycosyltransferase family 29, is a type II membrane protein that may be present in the Golgi apparatus. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null adult mice exhibit impaired long term potentiation and impaired long term depression in hippocampal CA1 synapses. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a T C 11: 109,927,405 (GRCm39) E1316G probably damaging Het
Arhgap32 C A 9: 32,171,207 (GRCm39) T1329K probably damaging Het
Arhgef10l G C 4: 140,306,743 (GRCm39) L104V probably damaging Het
Bend3 T C 10: 43,386,500 (GRCm39) S298P probably damaging Het
Cacna1b C T 2: 24,540,558 (GRCm39) V1385M probably damaging Het
Camk2d G A 3: 126,574,091 (GRCm39) G166D probably damaging Het
Cd84 G A 1: 171,713,148 (GRCm39) C291Y probably benign Het
Cdhr2 A G 13: 54,863,457 (GRCm39) I113V probably benign Het
Cfap206 G A 4: 34,719,053 (GRCm39) Q318* probably null Het
Chd9 C T 8: 91,760,615 (GRCm39) P2120L probably benign Het
Cyth1 T A 11: 118,084,479 (GRCm39) I25F probably damaging Het
Dock2 A T 11: 34,216,279 (GRCm39) N1208K probably benign Het
Dock2 A G 11: 34,609,832 (GRCm39) S203P probably damaging Het
Ehbp1l1 G T 19: 5,758,686 (GRCm39) T1652K possibly damaging Het
Eps8l2 G A 7: 140,935,705 (GRCm39) probably null Het
Fam3d T C 14: 8,361,479 (GRCm38) I47V probably benign Het
Gm10250 A G 15: 5,150,296 (GRCm39) probably benign Het
Gm9772 T C 17: 22,225,618 (GRCm39) H94R probably benign Het
Hspg2 G A 4: 137,247,420 (GRCm39) G1184D probably damaging Het
Igfn1 T A 1: 135,906,043 (GRCm39) D255V probably damaging Het
Marf1 T C 16: 13,932,064 (GRCm39) H1651R probably benign Het
Mllt10 T C 2: 18,167,464 (GRCm39) V385A possibly damaging Het
Mmp1b G A 9: 7,386,984 (GRCm39) S76L probably benign Het
Mrps2 C A 2: 28,358,327 (GRCm39) T39K probably benign Het
Myo6 T C 9: 80,188,808 (GRCm39) Y715H probably damaging Het
Nsun7 A G 5: 66,441,055 (GRCm39) E392G probably damaging Het
Obscn C T 11: 58,960,817 (GRCm39) E3374K probably damaging Het
Or2a20 G A 6: 43,194,437 (GRCm39) V197I probably benign Het
Or4c11 A T 2: 88,695,215 (GRCm39) I89F probably benign Het
Or56a4 A G 7: 104,806,478 (GRCm39) V137A probably benign Het
Or5w13 A T 2: 87,524,073 (GRCm39) M51K probably benign Het
Pkd2 C T 5: 104,626,768 (GRCm39) P317S probably damaging Het
Prl5a1 T C 13: 28,329,488 (GRCm39) S56P probably damaging Het
Psmd1 A G 1: 86,009,823 (GRCm39) probably null Het
Ptchd3 T C 11: 121,733,305 (GRCm39) C732R probably damaging Het
Rad51c A T 11: 87,293,589 (GRCm39) V71E probably benign Het
Scn11a A T 9: 119,621,560 (GRCm39) I619K possibly damaging Het
Sgpp1 T G 12: 75,763,284 (GRCm39) D299A probably damaging Het
Slc16a4 C A 3: 107,208,163 (GRCm39) Y224* probably null Het
Slc22a30 G A 19: 8,378,175 (GRCm39) S167L probably damaging Het
Slc6a5 T C 7: 49,595,315 (GRCm39) I559T probably damaging Het
Spire1 A G 18: 67,636,536 (GRCm39) F364L probably damaging Het
Srek1 G A 13: 103,881,363 (GRCm39) T421I unknown Het
Supt6 A G 11: 78,104,087 (GRCm39) probably null Het
Tas2r103 T C 6: 133,013,560 (GRCm39) T169A probably benign Het
Thrap3 A G 4: 126,073,823 (GRCm39) S308P probably damaging Het
V1rd19 C T 7: 23,703,160 (GRCm39) L209F probably damaging Het
Zfp267 T A 3: 36,220,289 (GRCm39) S771T probably benign Het
Other mutations in St8sia4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01566:St8sia4 APN 1 95,581,482 (GRCm39) missense probably benign 0.19
IGL02109:St8sia4 APN 1 95,588,617 (GRCm39) missense possibly damaging 0.68
IGL03117:St8sia4 APN 1 95,519,508 (GRCm39) missense probably benign 0.12
IGL03280:St8sia4 APN 1 95,581,499 (GRCm39) splice site probably benign
IGL03328:St8sia4 APN 1 95,588,595 (GRCm39) missense probably benign 0.01
R0336:St8sia4 UTSW 1 95,581,283 (GRCm39) missense probably benign 0.36
R0433:St8sia4 UTSW 1 95,519,429 (GRCm39) missense probably damaging 0.97
R1217:St8sia4 UTSW 1 95,581,464 (GRCm39) missense probably damaging 1.00
R1721:St8sia4 UTSW 1 95,581,394 (GRCm39) missense probably damaging 0.99
R1752:St8sia4 UTSW 1 95,519,537 (GRCm39) missense probably benign 0.32
R1891:St8sia4 UTSW 1 95,519,433 (GRCm39) missense possibly damaging 0.93
R1909:St8sia4 UTSW 1 95,555,298 (GRCm39) missense probably damaging 1.00
R2322:St8sia4 UTSW 1 95,581,463 (GRCm39) missense probably damaging 1.00
R4094:St8sia4 UTSW 1 95,555,411 (GRCm39) missense possibly damaging 0.53
R4365:St8sia4 UTSW 1 95,519,517 (GRCm39) missense possibly damaging 0.89
R4852:St8sia4 UTSW 1 95,588,623 (GRCm39) missense probably damaging 1.00
R4988:St8sia4 UTSW 1 95,519,522 (GRCm39) missense possibly damaging 0.95
R5074:St8sia4 UTSW 1 95,594,910 (GRCm39) missense probably benign 0.29
R5220:St8sia4 UTSW 1 95,555,460 (GRCm39) missense probably damaging 0.97
R5611:St8sia4 UTSW 1 95,555,409 (GRCm39) missense probably damaging 0.96
R5970:St8sia4 UTSW 1 95,581,307 (GRCm39) missense probably damaging 1.00
R6027:St8sia4 UTSW 1 95,581,399 (GRCm39) missense probably damaging 1.00
R6683:St8sia4 UTSW 1 95,581,424 (GRCm39) missense probably damaging 1.00
R7498:St8sia4 UTSW 1 95,519,418 (GRCm39) missense probably benign
R7937:St8sia4 UTSW 1 95,581,320 (GRCm39) missense possibly damaging 0.56
R8775:St8sia4 UTSW 1 95,519,472 (GRCm39) missense possibly damaging 0.93
R8775-TAIL:St8sia4 UTSW 1 95,519,472 (GRCm39) missense possibly damaging 0.93
R9095:St8sia4 UTSW 1 95,519,525 (GRCm39) missense probably damaging 0.99
R9252:St8sia4 UTSW 1 95,555,232 (GRCm39) frame shift probably null
R9433:St8sia4 UTSW 1 95,555,364 (GRCm39) missense
X0063:St8sia4 UTSW 1 95,519,648 (GRCm39) missense possibly damaging 0.92
Z1177:St8sia4 UTSW 1 95,595,181 (GRCm39) start gained probably benign
Predicted Primers PCR Primer
(F):5'- AGTGTGACAAGGTATTCGACTTTTC -3'
(R):5'- GTCATACACTATGTGCTGGACAG -3'

Sequencing Primer
(F):5'- CCACATAAATGGTGACGT -3'
(R):5'- ACTATGTGCTGGACAGACGCC -3'
Posted On 2014-09-18