Incidental Mutation 'R5212:Nans'
ID 403173
Institutional Source Beutler Lab
Gene Symbol Nans
Ensembl Gene ENSMUSG00000028334
Gene Name N-acetylneuraminic acid synthase (sialic acid synthase)
Synonyms 4632418E04Rik, N-acetylneuraminic acid phosphate synthase, Sas
MMRRC Submission 042786-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.849) question?
Stock # R5212 (G1)
Quality Score 225
Status Validated
Chromosome 4
Chromosomal Location 46489319-46503439 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 46502547 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Serine at position 328 (F328S)
Ref Sequence ENSEMBL: ENSMUSP00000030018 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030018] [ENSMUST00000046897] [ENSMUST00000184112]
AlphaFold Q99J77
Predicted Effect possibly damaging
Transcript: ENSMUST00000030018
AA Change: F328S

PolyPhen 2 Score 0.558 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000030018
Gene: ENSMUSG00000028334
AA Change: F328S

DomainStartEndE-ValueType
Pfam:NeuB 39 278 4.7e-81 PFAM
SAF 292 351 2.38e-3 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000046897
SMART Domains Protein: ENSMUSP00000038719
Gene: ENSMUSG00000039853

DomainStartEndE-ValueType
BBOX 17 59 1.84e-8 SMART
low complexity region 115 126 N/A INTRINSIC
PRY 264 316 2.63e-13 SMART
SPRY 317 440 2.48e-24 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136978
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137874
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142502
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150584
Predicted Effect probably benign
Transcript: ENSMUST00000184112
SMART Domains Protein: ENSMUSP00000138876
Gene: ENSMUSG00000039853

DomainStartEndE-ValueType
BBOX 17 59 1.84e-8 SMART
low complexity region 115 126 N/A INTRINSIC
Meta Mutation Damage Score 0.1641 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.7%
Validation Efficiency 97% (58/60)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme that functions in the biosynthetic pathways of sialic acids. In vitro, the encoded protein uses N-acetylmannosamine 6-phosphate and mannose 6-phosphate as substrates to generate phosphorylated forms of N-acetylneuraminic acid (Neu5Ac) and 2-keto-3-deoxy-D-glycero-D-galacto-nononic acid (KDN), respectively; however, it exhibits much higher activity toward the Neu5Ac phosphate product. In insect cells, expression of this gene results in Neu5Ac and KDN production. This gene is related to the E. coli sialic acid synthase gene neuB, and it can partially restore sialic acid synthase activity in an E. coli neuB-negative mutant. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110002E22Rik T A 3: 137,771,611 (GRCm39) S267T possibly damaging Het
Abca9 T C 11: 109,998,052 (GRCm39) D1514G probably benign Het
Adamtsl4 T A 3: 95,584,980 (GRCm39) D896V probably damaging Het
Amer2 A G 14: 60,617,269 (GRCm39) Y362C probably damaging Het
Arglu1 T A 8: 8,733,843 (GRCm39) R158W probably damaging Het
Arhgef7 A G 8: 11,778,388 (GRCm39) E46G probably benign Het
Atg2b A G 12: 105,613,055 (GRCm39) V1172A probably benign Het
Bhlhe23 T A 2: 180,417,886 (GRCm39) K217N probably damaging Het
Birc6 A C 17: 74,977,369 (GRCm39) N4388T probably damaging Het
Ccp110 C T 7: 118,328,919 (GRCm39) A845V probably damaging Het
Cd63 A G 10: 128,747,722 (GRCm39) Y105C probably damaging Het
Cdk11b T C 4: 155,723,072 (GRCm39) probably null Het
Clip1 T A 5: 123,768,744 (GRCm39) R618S probably benign Het
Crybg1 A T 10: 43,843,739 (GRCm39) F1731L possibly damaging Het
Dock1 A C 7: 134,390,923 (GRCm39) K728Q possibly damaging Het
Emc2 A G 15: 43,374,240 (GRCm39) E180G probably damaging Het
F13b A T 1: 139,440,725 (GRCm39) I394F probably benign Het
Fnta A G 8: 26,499,735 (GRCm39) I155T probably benign Het
Fshr T A 17: 89,293,685 (GRCm39) E331V probably benign Het
Fshr T A 17: 89,293,684 (GRCm39) E331D probably benign Het
Gas2l1 A T 11: 5,011,108 (GRCm39) C574S probably benign Het
Ggnbp2 T A 11: 84,744,847 (GRCm39) probably benign Het
Gm3371 A C 14: 44,641,111 (GRCm39) probably benign Het
Gm7489 T A 15: 53,749,016 (GRCm39) probably benign Het
Hand1 A C 11: 57,722,273 (GRCm39) F114V probably damaging Het
Itga4 A C 2: 79,110,939 (GRCm39) H259P probably damaging Het
Jakmip1 A T 5: 37,262,245 (GRCm39) H183L probably benign Het
Kifbp A T 10: 62,398,908 (GRCm39) probably benign Het
Krt8 G T 15: 101,906,402 (GRCm39) A369D possibly damaging Het
Krt82 T C 15: 101,453,484 (GRCm39) S301G probably damaging Het
Lig3 A G 11: 82,678,504 (GRCm39) T248A probably benign Het
Madcam1 C G 10: 79,504,179 (GRCm39) T255S probably benign Het
Med20 T C 17: 47,929,775 (GRCm39) Y71H probably benign Het
Mtss2 A G 8: 111,455,850 (GRCm39) I107V probably damaging Het
Ncbp3 A G 11: 72,944,373 (GRCm39) probably benign Het
Nek8 T C 11: 78,063,342 (GRCm39) M1V probably null Het
Nufip1 A T 14: 76,370,538 (GRCm39) N413I possibly damaging Het
Pbx3 T C 2: 34,178,793 (GRCm39) probably benign Het
Plppr3 C T 10: 79,698,279 (GRCm39) G419R probably benign Het
Rfx1 G T 8: 84,793,221 (GRCm39) probably benign Het
Rnpepl1 C T 1: 92,839,045 (GRCm39) A68V probably benign Het
Rsbn1l A T 5: 21,101,212 (GRCm39) M776K probably benign Het
Setd7 A T 3: 51,450,238 (GRCm39) Y63N probably damaging Het
Slc45a2 C T 15: 11,027,871 (GRCm39) T480I probably damaging Het
Snap47 T C 11: 59,319,178 (GRCm39) E320G probably damaging Het
Spaca6 C A 17: 18,058,656 (GRCm39) P68Q probably benign Het
Tdrd3 G C 14: 87,743,651 (GRCm39) R527P probably damaging Het
Tmprss2 G T 16: 97,377,492 (GRCm39) Q202K probably benign Het
Tmprss6 A G 15: 78,330,460 (GRCm39) V69A probably damaging Het
Trav6-1 A T 14: 52,876,161 (GRCm39) Q27L probably benign Het
Ttn C T 2: 76,731,957 (GRCm39) probably benign Het
Ttn T C 2: 76,619,945 (GRCm39) I15908V probably benign Het
Ttn T A 2: 76,628,019 (GRCm39) D12931V probably damaging Het
Ush2a T A 1: 188,176,902 (GRCm39) probably null Het
Wls A G 3: 159,578,645 (GRCm39) N69S probably benign Het
Other mutations in Nans
AlleleSourceChrCoordTypePredicted EffectPPH Score
R1016:Nans UTSW 4 46,500,716 (GRCm39) missense probably benign 0.23
R1192:Nans UTSW 4 46,502,430 (GRCm39) intron probably benign
R1493:Nans UTSW 4 46,500,761 (GRCm39) missense probably damaging 1.00
R1912:Nans UTSW 4 46,500,162 (GRCm39) missense probably damaging 1.00
R3799:Nans UTSW 4 46,492,839 (GRCm39) missense probably benign 0.05
R4980:Nans UTSW 4 46,492,764 (GRCm39) missense probably benign 0.03
R5723:Nans UTSW 4 46,499,083 (GRCm39) missense probably benign 0.08
R5854:Nans UTSW 4 46,500,180 (GRCm39) missense probably damaging 1.00
R5990:Nans UTSW 4 46,489,441 (GRCm39) missense probably damaging 0.99
R7474:Nans UTSW 4 46,502,484 (GRCm39) missense probably damaging 1.00
R8439:Nans UTSW 4 46,492,814 (GRCm39) missense probably damaging 0.99
R9784:Nans UTSW 4 46,499,129 (GRCm39) missense possibly damaging 0.72
Predicted Primers PCR Primer
(F):5'- AGGGTAAATGGGACCTGCTG -3'
(R):5'- TGGAGACTGACATTCCTGCC -3'

Sequencing Primer
(F):5'- TACAGGGACGGCTGGTG -3'
(R):5'- GACTGACATTCCTGCCCCTCTG -3'
Posted On 2016-07-22