Incidental Mutation 'R5055:Nampt'
ID 390797
Institutional Source Beutler Lab
Gene Symbol Nampt
Ensembl Gene ENSMUSG00000020572
Gene Name nicotinamide phosphoribosyltransferase
Synonyms 1110035O14Rik, Visfatin, Pbef1
MMRRC Submission 042645-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5055 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 32870334-32903368 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 32883120 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Tyrosine at position 102 (N102Y)
Ref Sequence ENSEMBL: ENSMUSP00000020886 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020886] [ENSMUST00000220200]
AlphaFold Q99KQ4
PDB Structure Crystal Structure of Murine NMPRTase [X-RAY DIFFRACTION]
Crystal Structure of Mouse Nicotinamide Phosphoribosyltransferase/Visfatin/Pre-B Cell Colony Enhancing Factor 1 [X-RAY DIFFRACTION]
Crystal Structure of Mouse Nicotinamide Phosphoribosyltransferase/Visfatin/Pre-B Cell Colony Enhancing Factor in Complex with Nicotinamide Mononuleotide [X-RAY DIFFRACTION]
Predicted Effect possibly damaging
Transcript: ENSMUST00000020886
AA Change: N102Y

PolyPhen 2 Score 0.938 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000020886
Gene: ENSMUSG00000020572
AA Change: N102Y

DomainStartEndE-ValueType
Pfam:NAPRTase 188 466 1.6e-73 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000218491
Predicted Effect probably benign
Transcript: ENSMUST00000220200
Meta Mutation Damage Score 0.1720 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 92.9%
Validation Efficiency 98% (84/86)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that catalyzes the condensation of nicotinamide with 5-phosphoribosyl-1-pyrophosphate to yield nicotinamide mononucleotide, one step in the biosynthesis of nicotinamide adenine dinucleotide. The protein belongs to the nicotinic acid phosphoribosyltransferase (NAPRTase) family and is thought to be involved in many important biological processes, including metabolism, stress response and aging. This gene has a pseudogene on chromosome 10. [provided by RefSeq, Feb 2011]
PHENOTYPE: Mice homozygous for a null allele exhibit embryonic lethality prior to E10.5. Mice heterozygous for a null allele exhibit increased fasted glucose in male mice and impaired glucose tolerance and decresed glucose-stimulated insulin secretion in female mice. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam19 G A 11: 46,013,996 (GRCm39) V329I probably damaging Het
Adgrl3 C A 5: 81,794,398 (GRCm39) A541E possibly damaging Het
Agbl1 A T 7: 76,063,325 (GRCm39) I263F probably damaging Het
Ash1l T C 3: 88,930,519 (GRCm39) probably null Het
Bccip A G 7: 133,316,652 (GRCm39) T91A probably benign Het
Bnc1 A T 7: 81,624,163 (GRCm39) F355I probably damaging Het
Bpifa2 A T 2: 153,855,630 (GRCm39) D185V probably damaging Het
Capn8 T A 1: 182,399,526 (GRCm39) V89D probably damaging Het
Cfap46 A T 7: 139,241,106 (GRCm39) M421K probably damaging Het
Chd2 A T 7: 73,130,256 (GRCm39) L800M probably damaging Het
Chd4 A G 6: 125,077,949 (GRCm39) D137G possibly damaging Het
Crtap A G 9: 114,219,208 (GRCm39) Y154H probably benign Het
Ctdp1 T A 18: 80,499,303 (GRCm39) Q213L probably damaging Het
Cts6 T C 13: 61,344,164 (GRCm39) Y296C probably damaging Het
Daxx G T 17: 34,131,134 (GRCm39) V354F probably benign Het
Dnah2 A G 11: 69,411,599 (GRCm39) I341T possibly damaging Het
Epha2 A G 4: 141,036,380 (GRCm39) D272G probably benign Het
Etfa A G 9: 55,407,417 (GRCm39) V24A probably damaging Het
Fbxl7 C A 15: 26,553,022 (GRCm39) G82W probably damaging Het
Fcamr G A 1: 130,739,174 (GRCm39) C158Y probably damaging Het
Fyb1 A C 15: 6,614,630 (GRCm39) probably benign Het
Gars1 G A 6: 55,045,077 (GRCm39) R454H probably damaging Het
Ghsr T C 3: 27,426,421 (GRCm39) V159A probably benign Het
Glp1r A T 17: 31,137,861 (GRCm39) Q97H probably benign Het
Gm27047 T C 6: 130,606,909 (GRCm39) noncoding transcript Het
Igkv3-3 A C 6: 70,664,223 (GRCm39) I22L probably benign Het
Inpp5b G T 4: 124,636,824 (GRCm39) probably null Het
Ipo9 C A 1: 135,330,097 (GRCm39) E448* probably null Het
Itgb2l A T 16: 96,229,003 (GRCm39) I400N probably damaging Het
Kat6b T A 14: 21,567,062 (GRCm39) H40Q probably damaging Het
Kcna7 G A 7: 45,056,015 (GRCm39) R77H probably damaging Het
Kcnq2 G T 2: 180,728,554 (GRCm39) probably benign Het
Klf7 T C 1: 64,118,439 (GRCm39) T53A probably benign Het
Kmt2a A G 9: 44,729,649 (GRCm39) probably benign Het
Lrp10 C T 14: 54,705,802 (GRCm39) R331C probably benign Het
Map4k5 A T 12: 69,878,332 (GRCm39) D289E probably benign Het
Mfsd4b2 A T 10: 39,799,773 (GRCm39) M43K possibly damaging Het
Msr1 T G 8: 40,076,997 (GRCm39) R138S possibly damaging Het
Myh7b G C 2: 155,474,293 (GRCm39) R1669S possibly damaging Het
Myh9 G A 15: 77,648,723 (GRCm39) A1711V probably benign Het
Myo18b A G 5: 113,023,083 (GRCm39) probably benign Het
Nell2 T C 15: 95,371,460 (GRCm39) I92V probably benign Het
Nes A G 3: 87,884,521 (GRCm39) N883D probably benign Het
Neurl3 T A 1: 36,312,463 (GRCm39) probably benign Het
Ocln T A 13: 100,675,930 (GRCm39) T188S probably benign Het
Or2ag20 T A 7: 106,464,937 (GRCm39) M250K probably damaging Het
Or5m10 T C 2: 85,717,585 (GRCm39) F147S probably benign Het
Parp14 T A 16: 35,664,733 (GRCm39) Q1305L probably benign Het
Pde3a C T 6: 141,433,682 (GRCm39) Q855* probably null Het
Pde4b T C 4: 102,052,311 (GRCm39) probably benign Het
Pdk2 T C 11: 94,930,242 (GRCm39) M65V probably benign Het
Phf21a T C 2: 92,182,201 (GRCm39) S377P probably damaging Het
Plcb2 T A 2: 118,548,703 (GRCm39) T408S probably benign Het
Ppp1r12b G T 1: 134,883,471 (GRCm39) A17E probably benign Het
Ppp6r2 A G 15: 89,167,152 (GRCm39) D789G probably benign Het
Prdm16 T C 4: 154,419,719 (GRCm39) M897V possibly damaging Het
Prss57 A G 10: 79,620,178 (GRCm39) probably null Het
Psd G T 19: 46,310,907 (GRCm39) L381I probably benign Het
Ptprq A T 10: 107,370,540 (GRCm39) D2050E probably benign Het
Rfc1 G T 5: 65,423,505 (GRCm39) N1034K probably damaging Het
Ryr3 C T 2: 112,661,504 (GRCm39) G1829S probably benign Het
Scaper T C 9: 55,767,003 (GRCm39) probably null Het
Scn5a A G 9: 119,351,632 (GRCm39) I783T probably damaging Het
Slc28a1 A G 7: 80,818,796 (GRCm39) N583S possibly damaging Het
Slc35e3 C T 10: 117,580,884 (GRCm39) G140D probably damaging Het
Slc6a9 G A 4: 117,725,347 (GRCm39) probably null Het
Sptlc1 A G 13: 53,496,218 (GRCm39) S376P probably benign Het
Sspo G A 6: 48,441,729 (GRCm39) C1913Y probably damaging Het
Taar7b A T 10: 23,876,845 (GRCm39) I337F possibly damaging Het
Tdpoz2 T A 3: 93,559,235 (GRCm39) I246F probably damaging Het
Trpa1 C T 1: 14,946,183 (GRCm39) V983M probably damaging Het
Trpm5 A T 7: 142,626,521 (GRCm39) M1112K probably benign Het
Tsbp1 G A 17: 34,667,770 (GRCm39) C154Y possibly damaging Het
Uso1 A T 5: 92,340,594 (GRCm39) K670I probably benign Het
Washc4 A G 10: 83,392,771 (GRCm39) D257G probably damaging Het
Wdr41 T A 13: 95,151,725 (GRCm39) probably null Het
Zbtb17 A G 4: 141,193,860 (GRCm39) Q668R possibly damaging Het
Other mutations in Nampt
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02437:Nampt APN 12 32,880,215 (GRCm39) missense probably damaging 1.00
IGL02512:Nampt APN 12 32,880,268 (GRCm39) missense possibly damaging 0.72
IGL03095:Nampt APN 12 32,892,685 (GRCm39) missense possibly damaging 0.85
Nacht UTSW 12 32,883,037 (GRCm39) missense probably damaging 1.00
R0020:Nampt UTSW 12 32,891,012 (GRCm39) missense probably damaging 0.97
R0417:Nampt UTSW 12 32,883,100 (GRCm39) missense probably benign 0.01
R1087:Nampt UTSW 12 32,883,042 (GRCm39) missense possibly damaging 0.88
R1781:Nampt UTSW 12 32,883,037 (GRCm39) missense probably damaging 1.00
R2137:Nampt UTSW 12 32,880,309 (GRCm39) missense probably benign
R2138:Nampt UTSW 12 32,888,421 (GRCm39) missense possibly damaging 0.46
R3699:Nampt UTSW 12 32,898,758 (GRCm39) splice site probably benign
R3970:Nampt UTSW 12 32,883,095 (GRCm39) missense probably benign 0.02
R4434:Nampt UTSW 12 32,888,362 (GRCm39) missense probably damaging 1.00
R4785:Nampt UTSW 12 32,898,713 (GRCm39) missense possibly damaging 0.95
R5046:Nampt UTSW 12 32,883,037 (GRCm39) missense probably damaging 1.00
R5427:Nampt UTSW 12 32,884,914 (GRCm39) missense probably benign 0.00
R6063:Nampt UTSW 12 32,898,658 (GRCm39) missense probably damaging 1.00
R6136:Nampt UTSW 12 32,880,301 (GRCm39) missense probably benign 0.24
R6995:Nampt UTSW 12 32,898,742 (GRCm39) missense probably benign 0.24
R7569:Nampt UTSW 12 32,900,433 (GRCm39) missense probably benign
R8801:Nampt UTSW 12 32,888,373 (GRCm39) missense possibly damaging 0.62
R8802:Nampt UTSW 12 32,900,435 (GRCm39) missense probably benign 0.15
R9056:Nampt UTSW 12 32,888,458 (GRCm39) critical splice donor site probably null
R9071:Nampt UTSW 12 32,892,781 (GRCm39) missense probably damaging 1.00
R9729:Nampt UTSW 12 32,900,528 (GRCm39) missense possibly damaging 0.86
Predicted Primers PCR Primer
(F):5'- TCAGTCATGAGCTGGGTGAG -3'
(R):5'- CTACTGTAAGCTACTGGTTAGTGATTC -3'

Sequencing Primer
(F):5'- GAGAGCTGAGAACCCTGCTG -3'
(R):5'- CTGGTTAGTGATTCATACTACAGGAG -3'
Posted On 2016-06-06