Incidental Mutation 'R5854:Nans'
ID 454810
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 043228-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.893) question?
Stock # R5854 (G1)
Quality Score 145
Status Not validated
Chromosome 4
Chromosomal Location 46489319-46503439 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 46500180 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 188 (Y188C)
Ref Sequence ENSEMBL: ENSMUSP00000030018 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030018] [ENSMUST00000184112]
AlphaFold Q99J77
Predicted Effect probably damaging
Transcript: ENSMUST00000030018
AA Change: Y188C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000030018
Gene: ENSMUSG00000028334
AA Change: Y188C

DomainStartEndE-ValueType
Pfam:NeuB 39 278 4.7e-81 PFAM
SAF 292 351 2.38e-3 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000082476
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136978
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137874
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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.4%
  • 20x: 95.4%
Validation Efficiency
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930553M12Rik T C 4: 88,786,596 (GRCm39) I7M unknown Het
Abca8b C A 11: 109,868,639 (GRCm39) G175V probably damaging Het
Atg4c G A 4: 99,116,796 (GRCm39) V313I probably benign Het
Ccdc18 A G 5: 108,354,594 (GRCm39) E1111G possibly damaging Het
Chuk T C 19: 44,070,396 (GRCm39) H573R probably benign Het
Cst13 A G 2: 148,670,094 (GRCm39) N88S probably benign Het
Dalrd3 T C 9: 108,447,276 (GRCm39) probably null Het
Dnah8 T A 17: 31,013,737 (GRCm39) M3826K possibly damaging Het
Dsp A G 13: 38,351,477 (GRCm39) probably null Het
Fbxo41 A G 6: 85,452,076 (GRCm39) L810P probably damaging Het
Fcrlb T C 1: 170,735,530 (GRCm39) Y248C probably damaging Het
Gmcl1 A G 6: 86,691,241 (GRCm39) silent Het
Gtf3c3 C A 1: 54,458,596 (GRCm39) A442S probably benign Het
Hdac4 T C 1: 91,887,143 (GRCm39) S799G probably damaging Het
Hnrnpa2b1 C G 6: 51,443,589 (GRCm39) probably benign Het
Hnrnpab T C 11: 51,495,508 (GRCm39) E177G probably damaging Het
Knl1 A G 2: 118,900,884 (GRCm39) I862V probably benign Het
Lonp2 T A 8: 87,399,699 (GRCm39) probably null Het
Map3k19 G T 1: 127,758,092 (GRCm39) P363T probably damaging Het
Morn3 A G 5: 123,179,178 (GRCm39) Y91H probably damaging Het
Myom2 A G 8: 15,158,478 (GRCm39) D810G probably benign Het
Ndufs1 A T 1: 63,186,548 (GRCm39) D1E probably benign Het
Nelfb T C 2: 25,100,005 (GRCm39) N204S probably damaging Het
Noxo1 T C 17: 24,917,516 (GRCm39) S31P probably damaging Het
Or13a20 A G 7: 140,232,491 (GRCm39) M200V probably benign Het
Or5af1 T A 11: 58,722,382 (GRCm39) M134K probably damaging Het
Or8b50 T C 9: 38,517,959 (GRCm39) L66S probably damaging Het
Pkd1l2 T G 8: 117,792,485 (GRCm39) T436P possibly damaging Het
Pkhd1l1 A G 15: 44,445,186 (GRCm39) D3686G probably damaging Het
Ppp2r5b A G 19: 6,280,974 (GRCm39) L285S probably damaging Het
Pzp A T 6: 128,483,832 (GRCm39) V522D probably benign Het
Rictor G A 15: 6,823,487 (GRCm39) E1555K probably benign Het
Rpe65 A G 3: 159,321,313 (GRCm39) D375G probably benign Het
Sacs C T 14: 61,448,996 (GRCm39) L3681F probably damaging Het
Sft2d1 C T 17: 8,539,485 (GRCm39) T96I probably damaging Het
Slc12a7 A G 13: 73,942,059 (GRCm39) N312D probably benign Het
Spaca6 A T 17: 18,051,509 (GRCm39) K82* probably null Het
Stk32c A G 7: 138,768,195 (GRCm39) probably benign Het
Tet2 T A 3: 133,193,646 (GRCm39) N263Y probably damaging Het
Uxs1 T C 1: 43,819,233 (GRCm39) N190S probably damaging Het
Zfp703 C T 8: 27,469,233 (GRCm39) P299L probably damaging 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
R5212:Nans UTSW 4 46,502,547 (GRCm39) missense possibly damaging 0.56
R5723:Nans UTSW 4 46,499,083 (GRCm39) missense probably benign 0.08
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'- AGGACAGTGTATCTCCTCCTCAG -3'
(R):5'- AAGTCTCTCATTGAGGGCGG -3'

Sequencing Primer
(F):5'- CTCCTCAGTCTTGGTGCGG -3'
(R):5'- TAAGACCTGACTGCGGGACATTTC -3'
Posted On 2017-02-10