Incidental Mutation 'R1087:Nampt'
ID 85080
Institutional Source Beutler Lab
Gene Symbol Nampt
Ensembl Gene ENSMUSG00000020572
Gene Name nicotinamide phosphoribosyltransferase
Synonyms 1110035O14Rik, Visfatin, Pbef1
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1087 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 32870334-32903368 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 32883042 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 76 (T76A)
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: T76A

PolyPhen 2 Score 0.876 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000020886
Gene: ENSMUSG00000020572
AA Change: T76A

DomainStartEndE-ValueType
Pfam:NAPRTase 188 466 1.6e-73 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000218491
Predicted Effect probably benign
Transcript: ENSMUST00000220200
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.5%
  • 20x: 95.3%
Validation Efficiency
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Anxa11 A G 14: 25,870,603 (GRCm39) M56V unknown Het
Arid4a G A 12: 71,122,112 (GRCm39) S509N probably benign Het
Atp8b3 T C 10: 80,356,017 (GRCm39) R1232G probably benign Het
Axdnd1 T A 1: 156,193,259 (GRCm39) M643L probably benign Het
Bsph1 A G 7: 13,206,106 (GRCm39) Y57C probably damaging Het
Car13 G A 3: 14,706,885 (GRCm39) W6* probably null Het
Ccdc192 T C 18: 57,863,870 (GRCm39) S225P probably damaging Het
Ccng2 T C 5: 93,421,303 (GRCm39) I271T probably benign Het
Ces1f T A 8: 93,984,923 (GRCm39) D468V probably damaging Het
Chil4 A G 3: 106,117,881 (GRCm39) Y130H probably benign Het
Clns1a T A 7: 97,354,862 (GRCm39) H69Q possibly damaging Het
Cnot11 T A 1: 39,579,139 (GRCm39) S335T probably benign Het
Dcaf11 A G 14: 55,806,581 (GRCm39) S461G probably damaging Het
Dlst G A 12: 85,179,413 (GRCm39) M417I probably damaging Het
Dock4 A C 12: 40,779,937 (GRCm39) I612L probably benign Het
Endod1 A G 9: 14,268,489 (GRCm39) V332A possibly damaging Het
F830045P16Rik T C 2: 129,314,639 (GRCm39) T213A possibly damaging Het
Gm5773 A T 3: 93,681,065 (GRCm39) I246F probably damaging Het
Gml2 T A 15: 74,695,946 (GRCm39) D113E possibly damaging Het
Grik1 T C 16: 87,803,265 (GRCm39) E309G probably benign Het
Hectd1 A T 12: 51,823,355 (GRCm39) I1013K probably damaging Het
Kcmf1 T C 6: 72,835,863 (GRCm39) E22G probably damaging Het
Kdm5b T A 1: 134,528,375 (GRCm39) C361S probably damaging Het
Kif21b T C 1: 136,090,561 (GRCm39) S1150P probably damaging Het
Man2b1 G A 8: 85,821,800 (GRCm39) V701M probably damaging Het
Marchf10 T C 11: 105,281,488 (GRCm39) R266G probably damaging Het
Milr1 A G 11: 106,645,848 (GRCm39) Y130C probably damaging Het
Nek10 A G 14: 14,827,059 (GRCm38) N86D possibly damaging Het
Nms T G 1: 38,983,192 (GRCm39) probably null Het
Or10w1 T A 19: 13,632,376 (GRCm39) C194* probably null Het
Parp14 A G 16: 35,678,658 (GRCm39) S437P probably damaging Het
Pif1 A G 9: 65,496,377 (GRCm39) M226V probably benign Het
Rnf169 T C 7: 99,592,204 (GRCm39) R216G probably benign Het
Rorb T C 19: 18,937,778 (GRCm39) K307R probably damaging Het
Scube2 T C 7: 109,430,882 (GRCm39) D439G probably damaging Het
Serpinb8 T C 1: 107,534,727 (GRCm39) V266A probably damaging Het
Strip2 A G 6: 29,927,633 (GRCm39) E226G probably damaging Het
Trim23 A G 13: 104,324,618 (GRCm39) D212G possibly damaging Het
Vmn1r172 T A 7: 23,359,673 (GRCm39) V186D possibly damaging Het
Vwde A T 6: 13,186,803 (GRCm39) C895S probably damaging Het
Zswim8 C A 14: 20,767,933 (GRCm39) probably null 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
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
R5055:Nampt UTSW 12 32,883,120 (GRCm39) missense possibly damaging 0.94
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'- CCAGAAGTACAGGCTCCTTTTCTGAAC -3'
(R):5'- TTCTGAAACTGCGAAGTAACCATACCC -3'

Sequencing Primer
(F):5'- GAACCTGCTCCTGACCTG -3'
(R):5'- CTGGTTAGTGATTCATACTACAGGAG -3'
Posted On 2013-11-18