Incidental Mutation 'R8122:Sag'
ID 631536
Institutional Source Beutler Lab
Gene Symbol Sag
Ensembl Gene ENSMUSG00000056055
Gene Name S-antigen, retina and pineal gland (arrestin)
Synonyms arrestin 1, rod arrestin, Arr1, visual arrestin 1, A930001K18Rik
MMRRC Submission 067551-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8122 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 87731402-87772880 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 87762289 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 318 (D318G)
Ref Sequence ENSEMBL: ENSMUSP00000076948 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000077772] [ENSMUST00000177757]
AlphaFold P20443
Predicted Effect probably damaging
Transcript: ENSMUST00000077772
AA Change: D318G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000076948
Gene: ENSMUSG00000056055
AA Change: D318G

DomainStartEndE-ValueType
Pfam:Arrestin_N 23 181 2.8e-36 PFAM
Arrestin_C 200 361 8.24e-30 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000177757
AA Change: D318G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000136729
Gene: ENSMUSG00000056055
AA Change: D318G

DomainStartEndE-ValueType
Pfam:Arrestin_N 23 181 2.7e-34 PFAM
Arrestin_C 200 361 8.24e-30 SMART
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.7%
  • 10x: 99.0%
  • 20x: 97.5%
Validation Efficiency 98% (47/48)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Members of arrestin/beta-arrestin protein family are thought to participate in agonist-mediated desensitization of G-protein-coupled receptors and cause specific dampening of cellular responses to stimuli such as hormones, neurotransmitters, or sensory signals. S-arrestin, also known as S-antigen, is a major soluble photoreceptor protein that is involved in desensitization of the photoactivated transduction cascade. It is expressed in the retina and the pineal gland and inhibits coupling of rhodopsin to transducin in vitro. Additionally, S-arrestin is highly antigenic, and is capable of inducing experimental autoimmune uveoretinitis. Mutations in this gene have been associated with Oguchi disease, a rare autosomal recessive form of night blindness. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit abnormalities in retinal rod cell outer segment morphology and rod electrophysiology. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abat A G 16: 8,433,761 (GRCm39) Y426C probably damaging Het
Acsbg3 T A 17: 57,193,670 (GRCm39) V672E possibly damaging Het
Adgrv1 A G 13: 81,419,037 (GRCm39) V5986A probably damaging Het
Adgrv1 A T 13: 81,588,344 (GRCm39) V4414E possibly damaging Het
Ahnak2 T C 12: 112,742,510 (GRCm39) S521G possibly damaging Het
Amer2 A T 14: 60,616,791 (GRCm39) M329L possibly damaging Het
Arhgap20 A G 9: 51,761,293 (GRCm39) N1048S probably damaging Het
Asah1 T C 8: 41,796,767 (GRCm39) E305G probably benign Het
AW551984 T A 9: 39,510,665 (GRCm39) K223N probably damaging Het
Bptf C A 11: 106,927,417 (GRCm39) probably null Het
C1qtnf6 T C 15: 78,411,446 (GRCm39) N77D probably benign Het
Capn13 T A 17: 73,674,205 (GRCm39) I83F probably damaging Het
Cd6 A G 19: 10,770,231 (GRCm39) F487L probably damaging Het
Cit T C 5: 116,107,069 (GRCm39) V1067A probably damaging Het
Cspg4b A T 13: 113,455,442 (GRCm39) D496V Het
Csrnp1 T C 9: 119,802,273 (GRCm39) D262G probably damaging Het
Cyp2d11 T A 15: 82,276,744 (GRCm39) Q65L probably benign Het
Dbt T A 3: 116,313,891 (GRCm39) C19* probably null Het
Dgkg A C 16: 22,385,295 (GRCm39) probably null Het
Eif4g2 T C 7: 110,677,760 (GRCm39) I118V possibly damaging Het
Evl C T 12: 108,647,783 (GRCm39) R295* probably null Het
Gpr158 A T 2: 21,831,674 (GRCm39) M925L probably benign Het
Kcnn2 T G 18: 45,810,005 (GRCm39) V414G probably damaging Het
Lama2 G A 10: 26,930,592 (GRCm39) H2055Y possibly damaging Het
Loxl3 T A 6: 83,026,240 (GRCm39) W443R probably damaging Het
Mab21l1 A T 3: 55,690,905 (GRCm39) D164V probably benign Het
Mroh7 T C 4: 106,559,726 (GRCm39) T734A probably damaging Het
Or2y1f C A 11: 49,184,401 (GRCm39) N84K probably damaging Het
Or8g35 A G 9: 39,381,822 (GRCm39) S67P probably damaging Het
Pkhd1 C T 1: 20,632,682 (GRCm39) E578K probably damaging Het
Pld2 T A 11: 70,432,259 (GRCm39) L126* probably null Het
Polk A T 13: 96,620,291 (GRCm39) N716K probably benign Het
Ppl C T 16: 4,906,725 (GRCm39) R1190H probably damaging Het
Prom1 T C 5: 44,170,295 (GRCm39) K669E probably benign Het
Scfd1 T A 12: 51,480,052 (GRCm39) V528E possibly damaging Het
Scn4a A G 11: 106,221,157 (GRCm39) L834P probably benign Het
Shank1 G T 7: 43,983,015 (GRCm39) G637V unknown Het
Slc12a6 A G 2: 112,097,167 (GRCm39) M1V probably null Het
St6gal1 A G 16: 23,173,644 (GRCm39) K242R probably benign Het
Syt3 A G 7: 44,045,153 (GRCm39) Y495C probably damaging Het
Taar8c C T 10: 23,977,107 (GRCm39) S235N probably benign Het
Tmem183a A T 1: 134,282,503 (GRCm39) C201S probably benign Het
Top2a T C 11: 98,889,993 (GRCm39) I1237V probably benign Het
Trub1 G T 19: 57,473,563 (GRCm39) V207L probably benign Het
Ttll13 T A 7: 79,909,217 (GRCm39) I634N probably benign Het
Ube2j1 T G 4: 33,045,145 (GRCm39) N208K probably benign Het
Wdr17 A G 8: 55,118,011 (GRCm39) S569P probably damaging Het
Other mutations in Sag
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00684:Sag APN 1 87,752,146 (GRCm39) critical splice acceptor site probably null
IGL00822:Sag APN 1 87,772,748 (GRCm39) splice site probably null
IGL01140:Sag APN 1 87,751,086 (GRCm39) missense probably benign 0.22
IGL01612:Sag APN 1 87,733,071 (GRCm39) missense probably damaging 0.98
IGL02183:Sag APN 1 87,756,197 (GRCm39) splice site probably null
IGL02893:Sag APN 1 87,762,315 (GRCm39) missense probably benign 0.01
R0049:Sag UTSW 1 87,762,340 (GRCm39) missense probably damaging 0.99
R0049:Sag UTSW 1 87,762,340 (GRCm39) missense probably damaging 0.99
R0091:Sag UTSW 1 87,742,402 (GRCm39) missense probably damaging 0.96
R0531:Sag UTSW 1 87,762,351 (GRCm39) critical splice donor site probably null
R0609:Sag UTSW 1 87,740,713 (GRCm39) missense probably damaging 0.98
R1328:Sag UTSW 1 87,738,016 (GRCm39) splice site probably benign
R1395:Sag UTSW 1 87,756,163 (GRCm39) missense probably benign 0.01
R1748:Sag UTSW 1 87,759,662 (GRCm39) missense probably damaging 1.00
R1858:Sag UTSW 1 87,742,570 (GRCm39) missense probably benign
R2020:Sag UTSW 1 87,733,037 (GRCm39) missense probably damaging 1.00
R3854:Sag UTSW 1 87,752,240 (GRCm39) splice site probably benign
R4021:Sag UTSW 1 87,749,027 (GRCm39) critical splice acceptor site probably null
R4298:Sag UTSW 1 87,772,737 (GRCm39) missense probably benign
R4630:Sag UTSW 1 87,762,340 (GRCm39) missense probably damaging 0.99
R5352:Sag UTSW 1 87,740,715 (GRCm39) missense probably benign 0.01
R5680:Sag UTSW 1 87,749,059 (GRCm39) missense possibly damaging 0.83
R6164:Sag UTSW 1 87,752,175 (GRCm39) missense probably damaging 1.00
R6407:Sag UTSW 1 87,742,528 (GRCm39) missense probably benign
R7431:Sag UTSW 1 87,749,059 (GRCm39) missense possibly damaging 0.83
R7548:Sag UTSW 1 87,772,638 (GRCm39) missense probably benign 0.01
R8679:Sag UTSW 1 87,738,032 (GRCm39) missense probably benign 0.27
R8723:Sag UTSW 1 87,751,175 (GRCm39) critical splice donor site probably null
R8878:Sag UTSW 1 87,756,158 (GRCm39) missense probably benign 0.01
R8891:Sag UTSW 1 87,759,683 (GRCm39) missense probably damaging 1.00
R8995:Sag UTSW 1 87,733,052 (GRCm39) missense probably benign 0.00
R9036:Sag UTSW 1 87,749,054 (GRCm39) missense probably damaging 1.00
R9123:Sag UTSW 1 87,751,043 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGGTGTGCAGTACAGGAGAC -3'
(R):5'- AGCTGACACACGGAACCATG -3'

Sequencing Primer
(F):5'- ACAGATGCTGTGCCCTGTG -3'
(R):5'- GCTAAACTCTACATAGGCATCAGTAG -3'
Posted On 2020-06-30