Incidental Mutation 'R4768:Cmas'
ID 366270
Institutional Source Beutler Lab
Gene Symbol Cmas
Ensembl Gene ENSMUSG00000030282
Gene Name cytidine monophospho-N-acetylneuraminic acid synthetase
Synonyms D6Bwg0250e, CMP-Neu5Ac synthase, CMP-sialic acid synthetase
MMRRC Submission 042409-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.904) question?
Stock # R4768 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 142702468-142721440 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 142710157 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000032419 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032419] [ENSMUST00000133248] [ENSMUST00000144920]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000032419
SMART Domains Protein: ENSMUSP00000032419
Gene: ENSMUSG00000030282

DomainStartEndE-ValueType
low complexity region 11 25 N/A INTRINSIC
Pfam:CTP_transf_3 44 301 3.8e-69 PFAM
Pfam:NTP_transf_3 45 228 1.5e-10 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000133248
SMART Domains Protein: ENSMUSP00000144875
Gene: ENSMUSG00000030282

DomainStartEndE-ValueType
low complexity region 11 25 N/A INTRINSIC
Pfam:CTP_transf_3 44 85 2.8e-13 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000144920
SMART Domains Protein: ENSMUSP00000145392
Gene: ENSMUSG00000030282

DomainStartEndE-ValueType
low complexity region 11 25 N/A INTRINSIC
Pfam:CTP_transf_3 44 85 2.8e-13 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000204147
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.7%
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 converts N-acetylneuraminic acid (NeuNAc) to cytidine 5'-monophosphate N-acetylneuraminic acid (CMP-NeuNAc). This process is important in the formation of sialylated glycoprotein and glycolipids. This modification plays a role in cell-cell communications and immune responses. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acadm A G 3: 153,628,579 (GRCm39) Y419H probably benign Het
Adam28 A G 14: 68,872,264 (GRCm39) V326A possibly damaging Het
Amdhd1 T A 10: 93,370,346 (GRCm39) E164V possibly damaging Het
Arhgap5 T C 12: 52,604,275 (GRCm39) L29S probably damaging Het
Asb5 G A 8: 55,038,031 (GRCm39) D185N probably benign Het
Ascc3 T C 10: 50,576,595 (GRCm39) I850T probably damaging Het
Atxn1 A G 13: 45,711,024 (GRCm39) V636A probably damaging Het
Bmp4 C T 14: 46,623,381 (GRCm39) R55Q probably damaging Het
Brd8dc T C 18: 34,714,005 (GRCm39) R207G probably damaging Het
Dchs1 T C 7: 105,420,827 (GRCm39) D531G possibly damaging Het
Etv1 T C 12: 38,877,792 (GRCm39) L44P probably damaging Het
Fam13c T A 10: 70,387,580 (GRCm39) I448N probably damaging Het
Fcsk T C 8: 111,618,766 (GRCm39) T331A probably benign Het
Fut8 A G 12: 77,412,054 (GRCm39) K135E probably benign Het
Gabrg1 A G 5: 70,911,516 (GRCm39) F370S probably damaging Het
Ighv1-5 A T 12: 114,477,143 (GRCm39) M53K probably damaging Het
Igkv9-120 G T 6: 68,027,351 (GRCm39) R88S possibly damaging Het
Kansl1l A G 1: 66,840,292 (GRCm39) V336A probably damaging Het
Krt27 T A 11: 99,240,351 (GRCm39) D189V probably damaging Het
Marf1 A T 16: 13,949,461 (GRCm39) F1033I possibly damaging Het
Mdfi G A 17: 48,135,475 (GRCm39) T85M probably damaging Het
Mrgpra3 C A 7: 47,239,476 (GRCm39) R150L possibly damaging Het
Mst1r C A 9: 107,788,849 (GRCm39) T456K probably damaging Het
Myh14 A T 7: 44,263,099 (GRCm39) M1734K probably benign Het
Myo1e T C 9: 70,277,751 (GRCm39) I816T possibly damaging Het
Or7d10 A C 9: 19,831,841 (GRCm39) N112T possibly damaging Het
Or8b12 T C 9: 37,658,177 (GRCm39) L249P probably damaging Het
Or8b55 T A 9: 38,727,245 (GRCm39) Y149N probably damaging Het
Or8k28 A T 2: 86,285,994 (GRCm39) L207* probably null Het
Pde4d A G 13: 110,070,408 (GRCm39) R6G probably damaging Het
Pilrb1 G A 5: 137,855,788 (GRCm39) probably benign Het
Prrx1 A G 1: 163,085,334 (GRCm39) Y199H probably damaging Het
Rxfp1 T C 3: 79,594,175 (GRCm39) D73G probably damaging Het
Ryr1 G T 7: 28,704,246 (GRCm39) probably benign Het
Shprh A G 10: 11,057,284 (GRCm39) E1068G probably damaging Het
Slc19a3 G A 1: 83,000,834 (GRCm39) T61I probably damaging Het
Slc9a2 G A 1: 40,765,534 (GRCm39) R308Q probably damaging Het
Suclg2 T G 6: 95,543,469 (GRCm39) I321L probably damaging Het
Top3a A G 11: 60,653,316 (GRCm39) F53L probably damaging Het
Ttn C T 2: 76,599,110 (GRCm39) probably benign Het
Upp2 T C 2: 58,667,907 (GRCm39) V182A probably damaging Het
Vmn2r65 A G 7: 84,596,602 (GRCm39) L151P probably damaging Het
Xylt2 T C 11: 94,561,298 (GRCm39) D155G probably benign Het
Zzz3 A G 3: 152,154,420 (GRCm39) D557G probably damaging Het
Other mutations in Cmas
AlleleSourceChrCoordTypePredicted EffectPPH Score
R0558:Cmas UTSW 6 142,720,970 (GRCm39) nonsense probably null
R0798:Cmas UTSW 6 142,710,382 (GRCm39) missense probably damaging 1.00
R1172:Cmas UTSW 6 142,702,604 (GRCm39) missense probably benign 0.01
R1453:Cmas UTSW 6 142,717,853 (GRCm39) missense probably damaging 1.00
R1983:Cmas UTSW 6 142,716,312 (GRCm39) missense probably damaging 0.98
R2147:Cmas UTSW 6 142,717,015 (GRCm39) missense probably benign 0.18
R3795:Cmas UTSW 6 142,713,594 (GRCm39) missense probably benign 0.03
R4378:Cmas UTSW 6 142,718,011 (GRCm39) unclassified probably benign
R6430:Cmas UTSW 6 142,713,650 (GRCm39) missense probably benign
R6774:Cmas UTSW 6 142,710,147 (GRCm39) missense possibly damaging 0.81
R6824:Cmas UTSW 6 142,716,962 (GRCm39) missense possibly damaging 0.90
R6980:Cmas UTSW 6 142,702,526 (GRCm39) missense probably damaging 0.97
R7256:Cmas UTSW 6 142,716,312 (GRCm39) missense probably damaging 1.00
R7776:Cmas UTSW 6 142,710,283 (GRCm39) missense probably damaging 0.99
R7969:Cmas UTSW 6 142,720,892 (GRCm39) missense probably damaging 1.00
R8325:Cmas UTSW 6 142,717,065 (GRCm39) critical splice donor site probably null
R8363:Cmas UTSW 6 142,702,554 (GRCm39) missense probably benign 0.08
R8489:Cmas UTSW 6 142,702,596 (GRCm39) missense probably benign 0.00
R8720:Cmas UTSW 6 142,716,929 (GRCm39) missense probably damaging 1.00
R8747:Cmas UTSW 6 142,716,927 (GRCm39) missense possibly damaging 0.92
R9056:Cmas UTSW 6 142,710,105 (GRCm39) missense probably damaging 1.00
R9648:Cmas UTSW 6 142,716,935 (GRCm39) missense probably benign 0.07
Predicted Primers PCR Primer
(F):5'- AGTCCCTTCTGGTGACTCTG -3'
(R):5'- CGGATCATTTCTGCAACTTTCTGG -3'

Sequencing Primer
(F):5'- CCTTCTGGTGACTCTGTTATTTAAC -3'
(R):5'- CTGCAACTTTCTGGAGGTCAG -3'
Posted On 2015-12-21