Incidental Mutation 'R3434:Azin1'
ID 266364
Institutional Source Beutler Lab
Gene Symbol Azin1
Ensembl Gene ENSMUSG00000037458
Gene Name antizyme inhibitor 1
Synonyms ODC antizyme inhibitor, Oazi, Oazin, 1700085L02Rik
MMRRC Submission 040652-MU
Accession Numbers

Genbank: NM_018745; MGI: 1859169

Essential gene? Essential (E-score: 1.000) question?
Stock # R3434 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 38487427-38519266 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to C at 38493576 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 268 (I268V)
Ref Sequence ENSEMBL: ENSMUSP00000105958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000065308] [ENSMUST00000110329] [ENSMUST00000129589]
AlphaFold O35484
Predicted Effect probably benign
Transcript: ENSMUST00000065308
AA Change: I268V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000065544
Gene: ENSMUSG00000037458
AA Change: I268V

Pfam:Orn_Arg_deC_N 44 279 5.2e-66 PFAM
Pfam:Orn_DAP_Arg_deC 282 406 1.4e-25 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000110328
SMART Domains Protein: ENSMUSP00000105957
Gene: ENSMUSG00000037458

Pfam:Orn_Arg_deC_N 44 279 9.4e-67 PFAM
Pfam:Orn_DAP_Arg_deC 282 357 7.4e-10 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000110329
AA Change: I268V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000105958
Gene: ENSMUSG00000037458
AA Change: I268V

Pfam:Orn_Arg_deC_N 44 279 5.4e-69 PFAM
Pfam:Orn_DAP_Arg_deC 283 405 3e-26 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000129589
SMART Domains Protein: ENSMUSP00000117988
Gene: ENSMUSG00000037458

Pfam:Orn_Arg_deC_N 44 154 1.8e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149293
Predicted Effect noncoding transcript
Transcript: ENSMUST00000183910
Predicted Effect noncoding transcript
Transcript: ENSMUST00000226152
Meta Mutation Damage Score 0.2289 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.3%
Validation Efficiency 98% (54/55)
MGI Phenotype FUNCTION: The protein encoded by this gene belongs to the antizyme inhibitor family, which plays a role in cell growth and proliferation by maintaining polyamine homeostasis within the cell. Antizyme inhibitors are homologs of ornithine decarboxylase (ODC, the key enzyme in polyamine biosynthesis) that have lost the ability to decarboxylase ornithine; however, retain the ability to bind to antizymes. Antizymes negatively regulate intracellular polyamine levels by binding to ODC and targeting it for degradation, as well as by inhibiting polyamine uptake. Antizyme inhibitors function as positive regulators of polyamine levels by sequestering antizymes and neutralizing their effect. This gene encodes antizyme inhibitor 1, the first member of this gene family that is ubiquitously expressed, and is localized in the nucleus and cytoplasm. Overexpression of antizyme inhibitor 1 gene has been associated with increased proliferation, cellular transformation and tumorigenesis. Gene knockout studies showed that homozygous mutant mice lacking functional antizyme inhibitor 1 gene died at birth with abnormal liver morphology. RNA editing of this gene, predominantly in the liver tissue, has been linked to the progression of hepatocellular carcinoma. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Sep 2014]
PHENOTYPE: Homozygous disruption of this gene results in neonatal lethality, a slight reduction in birth weight, and abnormal liver morphology. [provided by MGI curators]
Allele List at MGI

All alleles(20) : Targeted, other(2) Gene trapped(18)

Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 G A 17: 24,289,537 A1008V probably damaging Het
Adora3 A G 3: 105,904,915 K39R probably benign Het
Ankib1 A G 5: 3,692,760 V1085A probably damaging Het
Atp7a G A X: 106,094,857 R563K probably benign Het
Carm1 T C 9: 21,569,473 F81S probably damaging Het
Ccnjl A G 11: 43,579,861 Y152C probably damaging Het
Chrna3 T A 9: 55,024,326 I61F possibly damaging Het
Clca3a2 G A 3: 144,808,761 probably benign Het
Clstn2 T A 9: 97,454,715 D903V probably benign Het
Dpysl3 C T 18: 43,361,061 V70I probably benign Het
Drg2 A T 11: 60,461,392 K180* probably null Het
Dync2h1 A C 9: 7,011,236 H3659Q probably benign Het
Dysf A T 6: 84,070,888 Y349F probably benign Het
Epb41l4b T C 4: 57,040,865 N533D probably benign Het
Fam47e T A 5: 92,585,362 V152D probably damaging Het
Fasn G A 11: 120,822,773 A24V probably damaging Het
Fhl4 T C 10: 85,098,444 T158A probably benign Het
Fnbp1l C T 3: 122,546,306 R499Q probably damaging Het
Hdlbp A T 1: 93,428,161 M358K probably benign Het
Ift74 A G 4: 94,621,852 probably null Het
Lhx4 A G 1: 155,702,401 Y332H probably damaging Het
Mast2 A T 4: 116,308,095 S1314T probably benign Het
Mast4 A G 13: 102,787,379 I508T probably damaging Het
Mdn1 T C 4: 32,733,726 probably null Het
Mrps23 A G 11: 88,210,114 K44E probably damaging Het
Mslnl G A 17: 25,742,934 V128M probably damaging Het
Mup6 G T 4: 60,004,116 probably null Het
Notch3 A T 17: 32,158,618 D161E possibly damaging Het
Olfr1131 T C 2: 87,629,074 F204L probably benign Het
Olfr1200 T C 2: 88,768,069 D82G probably damaging Het
Olfr695 A T 7: 106,873,769 Y159N probably benign Het
P2rx4 T A 5: 122,725,070 I202K probably damaging Het
Phykpl A G 11: 51,598,655 T363A probably benign Het
Pitpnm1 G A 19: 4,112,234 A1047T probably damaging Het
Ppat A G 5: 76,918,065 I402T probably damaging Het
Rpgr A G X: 10,176,602 S656P probably benign Het
Rsbn1l T C 5: 20,905,930 probably benign Het
Sacs A G 14: 61,212,303 K3933E probably damaging Het
Scn7a T C 2: 66,675,503 I1681V probably benign Het
Sel1l3 T C 5: 53,117,090 D1016G probably benign Het
Sf3a3 C A 4: 124,725,077 T277N possibly damaging Het
Slc35a5 A G 16: 45,144,033 I279T probably benign Het
Slc39a10 T C 1: 46,835,717 T142A probably benign Het
Tle3 T A 9: 61,414,094 probably null Het
Tmem117 T C 15: 95,094,692 I411T probably damaging Het
Ttn T C 2: 76,868,377 T5A possibly damaging Het
Tubgcp3 T C 8: 12,658,381 probably null Het
Ush2a C T 1: 188,733,758 P2841L probably damaging Het
Vmn1r209 A T 13: 22,806,097 M141K probably benign Het
Vmn2r91 A T 17: 18,110,108 probably benign Het
Other mutations in Azin1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02174:Azin1 APN 15 38493486 missense probably benign
IGL02406:Azin1 APN 15 38491565 missense probably benign 0.00
H2330:Azin1 UTSW 15 38497276 missense probably damaging 0.98
R0562:Azin1 UTSW 15 38493581 missense probably benign 0.00
R3416:Azin1 UTSW 15 38493546 missense possibly damaging 0.89
R3978:Azin1 UTSW 15 38498713 missense probably damaging 0.99
R4535:Azin1 UTSW 15 38493605 missense probably benign 0.11
R4720:Azin1 UTSW 15 38493500 missense probably benign 0.43
R5266:Azin1 UTSW 15 38491551 missense probably benign
R6416:Azin1 UTSW 15 38492343 missense possibly damaging 0.71
R7242:Azin1 UTSW 15 38501505 start codon destroyed probably null 1.00
R7283:Azin1 UTSW 15 38501408 missense probably damaging 0.98
R7577:Azin1 UTSW 15 38501421 missense probably benign 0.01
R7604:Azin1 UTSW 15 38491634 missense probably damaging 1.00
R8221:Azin1 UTSW 15 38492328 missense probably damaging 1.00
R8683:Azin1 UTSW 15 38493531 missense probably damaging 1.00
R9229:Azin1 UTSW 15 38490402 missense probably benign
R9420:Azin1 UTSW 15 38493627 missense possibly damaging 0.46
Predicted Primers PCR Primer

Sequencing Primer
Posted On 2015-02-18