Incidental Mutation 'R4720:Azin1'
ID 354405
Institutional Source Beutler Lab
Gene Symbol Azin1
Ensembl Gene ENSMUSG00000037458
Gene Name antizyme inhibitor 1
Synonyms Oazin, 1700085L02Rik, ODC antizyme inhibitor, Oazi
MMRRC Submission 041958-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4720 (G1)
Quality Score 225
Status Not validated
Chromosome 15
Chromosomal Location 38487671-38519510 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 38493744 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 293 (V293A)
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: V293A

PolyPhen 2 Score 0.429 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000065544
Gene: ENSMUSG00000037458
AA Change: V293A

DomainStartEndE-ValueType
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

DomainStartEndE-ValueType
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: V293A

PolyPhen 2 Score 0.429 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000105958
Gene: ENSMUSG00000037458
AA Change: V293A

DomainStartEndE-ValueType
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

DomainStartEndE-ValueType
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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 94.0%
Validation Efficiency
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: 91 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca9 A G 11: 110,018,248 (GRCm39) I1124T probably damaging Het
Acacb A G 5: 114,367,975 (GRCm39) T1658A possibly damaging Het
Acvrl1 C A 15: 101,033,654 (GRCm39) P112Q probably damaging Het
Ankar A T 1: 72,738,170 (GRCm39) I4K possibly damaging Het
Ankfn1 G C 11: 89,332,252 (GRCm39) D431E possibly damaging Het
Apobec4 T C 1: 152,632,425 (GRCm39) V151A possibly damaging Het
Atp10b A G 11: 43,093,949 (GRCm39) S498G probably benign Het
Ccdc88b T C 19: 6,835,083 (GRCm39) E46G probably damaging Het
Ccdc96 T C 5: 36,642,219 (GRCm39) probably benign Het
Ccnyl1 A G 1: 64,752,290 (GRCm39) D169G probably benign Het
Cdca3 T A 6: 124,809,127 (GRCm39) V89E probably damaging Het
Cdh19 A T 1: 110,823,111 (GRCm39) probably null Het
Chka G A 19: 3,936,375 (GRCm39) V238I probably damaging Het
Cntn3 T C 6: 102,218,983 (GRCm39) K546E possibly damaging Het
Crybg3 A G 16: 59,360,180 (GRCm39) V787A probably damaging Het
Dlgap3 T C 4: 127,089,508 (GRCm39) probably null Het
Dnah8 C T 17: 30,902,608 (GRCm39) L889F probably benign Het
Dnah9 T C 11: 65,967,184 (GRCm39) E1658G probably damaging Het
Dnajc11 A G 4: 152,052,996 (GRCm39) D102G probably damaging Het
Dync1i2 T G 2: 71,064,018 (GRCm39) S121A probably damaging Het
Ece1 G A 4: 137,684,486 (GRCm39) E591K probably damaging Het
Enthd1 G A 15: 80,444,510 (GRCm39) S15L probably damaging Het
Epb41l2 T A 10: 25,347,524 (GRCm39) H372Q probably damaging Het
Errfi1 T A 4: 150,951,204 (GRCm39) Y211N probably damaging Het
Fam193b G A 13: 55,691,250 (GRCm39) T208M probably benign Het
Flacc1 T C 1: 58,717,507 (GRCm39) I135V possibly damaging Het
Fmnl2 C T 2: 52,997,552 (GRCm39) T501M possibly damaging Het
Gkn3 C T 6: 87,360,507 (GRCm39) A163T probably damaging Het
Gm4841 G T 18: 60,403,135 (GRCm39) D319E probably benign Het
Gucd1 A G 10: 75,345,494 (GRCm39) F187S probably damaging Het
Hcar2 GCGGATGCGCAC GC 5: 124,002,752 (GRCm39) probably null Het
Helz2 T C 2: 180,880,210 (GRCm39) D502G probably damaging Het
Hspa2 A G 12: 76,451,639 (GRCm39) E111G possibly damaging Het
Htr2a T A 14: 74,882,499 (GRCm39) S162T probably damaging Het
Ift80 A G 3: 68,869,623 (GRCm39) Y223H possibly damaging Het
Il1rl1 A G 1: 40,485,838 (GRCm39) K330E probably benign Het
Il23r A T 6: 67,400,645 (GRCm39) F562I probably damaging Het
Isx T C 8: 75,600,487 (GRCm39) probably null Het
Jcad G A 18: 4,674,055 (GRCm39) V606I probably benign Het
Kcnn2 A T 18: 45,816,187 (GRCm39) T333S possibly damaging Het
Kcnq5 C T 1: 21,473,274 (GRCm39) A630T probably damaging Het
Kif2c T C 4: 117,028,946 (GRCm39) M188V probably benign Het
Kntc1 T C 5: 123,903,086 (GRCm39) V321A possibly damaging Het
Krtap4-8 A T 11: 99,671,271 (GRCm39) probably benign Het
Lcor G C 19: 41,574,334 (GRCm39) A1030P probably benign Het
Lgals3bp A C 11: 118,289,295 (GRCm39) L52R probably damaging Het
Lipk C A 19: 33,999,099 (GRCm39) H126Q probably damaging Het
Lpgat1 T C 1: 191,495,779 (GRCm39) Y323H probably damaging Het
Lrp2 T G 2: 69,311,517 (GRCm39) N2654H probably damaging Het
Lsm14b C T 2: 179,669,774 (GRCm39) Q6* probably null Het
Lysmd3 C T 13: 81,817,584 (GRCm39) A187V possibly damaging Het
Map2k5 A G 9: 63,201,001 (GRCm39) S211P probably damaging Het
Mlph A T 1: 90,869,419 (GRCm39) I474F probably damaging Het
Mpped2 T C 2: 106,614,091 (GRCm39) S142P probably damaging Het
Nemf A C 12: 69,371,062 (GRCm39) M678R probably benign Het
Nfe2l1 A T 11: 96,718,515 (GRCm39) Y7N probably damaging Het
Nfkbie T G 17: 45,867,232 (GRCm39) D122E probably benign Het
Noc3l C A 19: 38,778,066 (GRCm39) A783S probably benign Het
Nol8 T C 13: 49,816,229 (GRCm39) V761A probably damaging Het
Nvl A G 1: 180,929,152 (GRCm39) L743P probably damaging Het
Or1j1 T A 2: 36,702,484 (GRCm39) I207F probably benign Het
Plcb1 A G 2: 135,093,667 (GRCm39) K160R possibly damaging Het
Plekhg3 G T 12: 76,625,096 (GRCm39) G1313C possibly damaging Het
Plekhh1 GTCAAA G 12: 79,122,194 (GRCm39) probably null Het
Popdc3 G A 10: 45,191,002 (GRCm39) V38I probably benign Het
Prdx3 A T 19: 60,858,551 (GRCm39) V114D possibly damaging Het
Prkdc T A 16: 15,485,579 (GRCm39) S469T probably benign Het
Rbm22 G A 18: 60,697,463 (GRCm39) R56H probably damaging Het
Reln A T 5: 22,491,894 (GRCm39) F113I possibly damaging Het
Rims1 A G 1: 22,497,731 (GRCm39) Y808H probably damaging Het
Rsbn1 C A 3: 103,836,336 (GRCm39) T458N possibly damaging Het
Serpina3b A G 12: 104,096,889 (GRCm39) S57G possibly damaging Het
Skor2 G T 18: 76,948,878 (GRCm39) probably null Het
Slc22a4 A T 11: 53,879,719 (GRCm39) Y447N probably damaging Het
Slco1a7 C A 6: 141,668,948 (GRCm39) A495S probably damaging Het
Stx19 G T 16: 62,642,682 (GRCm39) R166L probably damaging Het
Svep1 T C 4: 58,205,869 (GRCm39) T170A possibly damaging Het
Sycp2 T G 2: 178,016,225 (GRCm39) S746R probably benign Het
Tchh G T 3: 93,355,189 (GRCm39) R1543L unknown Het
Tjp2 T C 19: 24,078,169 (GRCm39) D908G probably damaging Het
Ttc8 C A 12: 98,946,068 (GRCm39) A452E possibly damaging Het
Unc5a T A 13: 55,151,696 (GRCm39) W709R probably null Het
Unc80 T A 1: 66,549,951 (GRCm39) S736R possibly damaging Het
Vmn2r100 C A 17: 19,742,788 (GRCm39) H387Q probably benign Het
Vmn2r39 C T 7: 9,026,469 (GRCm39) probably null Het
Vmn2r88 T A 14: 51,650,702 (GRCm39) D138E probably benign Het
Vwce T C 19: 10,625,831 (GRCm39) F448L possibly damaging Het
Wdr75 C T 1: 45,861,645 (GRCm39) S695F probably benign Het
Zfand4 T C 6: 116,265,122 (GRCm39) probably null Het
Zfp511 T A 7: 139,617,424 (GRCm39) probably null Het
Zfyve9 T C 4: 108,501,565 (GRCm39) K584E possibly damaging Het
Other mutations in Azin1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02174:Azin1 APN 15 38,493,730 (GRCm39) missense probably benign
IGL02406:Azin1 APN 15 38,491,809 (GRCm39) missense probably benign 0.00
H2330:Azin1 UTSW 15 38,497,520 (GRCm39) missense probably damaging 0.98
R0562:Azin1 UTSW 15 38,493,825 (GRCm39) missense probably benign 0.00
R3416:Azin1 UTSW 15 38,493,790 (GRCm39) missense possibly damaging 0.89
R3434:Azin1 UTSW 15 38,493,820 (GRCm39) missense probably benign 0.00
R3978:Azin1 UTSW 15 38,498,957 (GRCm39) missense probably damaging 0.99
R4535:Azin1 UTSW 15 38,493,849 (GRCm39) missense probably benign 0.11
R5266:Azin1 UTSW 15 38,491,795 (GRCm39) missense probably benign
R6416:Azin1 UTSW 15 38,492,587 (GRCm39) missense possibly damaging 0.71
R7242:Azin1 UTSW 15 38,501,749 (GRCm39) start codon destroyed probably null 1.00
R7283:Azin1 UTSW 15 38,501,652 (GRCm39) missense probably damaging 0.98
R7577:Azin1 UTSW 15 38,501,665 (GRCm39) missense probably benign 0.01
R7604:Azin1 UTSW 15 38,491,878 (GRCm39) missense probably damaging 1.00
R8221:Azin1 UTSW 15 38,492,572 (GRCm39) missense probably damaging 1.00
R8683:Azin1 UTSW 15 38,493,775 (GRCm39) missense probably damaging 1.00
R9229:Azin1 UTSW 15 38,490,646 (GRCm39) missense probably benign
R9420:Azin1 UTSW 15 38,493,871 (GRCm39) missense possibly damaging 0.46
Predicted Primers PCR Primer
(F):5'- AAGAATTGGTCTGACGCTCTAG -3'
(R):5'- TCCCTGCTAGGTTGGAATTG -3'

Sequencing Primer
(F):5'- TGGTCTGACGCTCTAGTAAAGTAAG -3'
(R):5'- CCCTGCTAGGTTGGAATTGAATAG -3'
Posted On 2015-10-21