Incidental Mutation 'R8805:Star'
ID 672004
Institutional Source Beutler Lab
Gene Symbol Star
Ensembl Gene ENSMUSG00000031574
Gene Name steroidogenic acute regulatory protein
Synonyms D8Ertd419e
MMRRC Submission 068642-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8805 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 26298502-26306010 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 26299577 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 53 (R53H)
Ref Sequence ENSEMBL: ENSMUSP00000033979 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033979] [ENSMUST00000210565]
AlphaFold P51557
Predicted Effect probably benign
Transcript: ENSMUST00000033979
AA Change: R53H

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000033979
Gene: ENSMUSG00000031574
AA Change: R53H

DomainStartEndE-ValueType
START 75 280 3.63e-72 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000210565
AA Change: R53H

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 96% (70/73)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene plays a key role in the acute regulation of steroid hormone synthesis by enhancing the conversion of cholesterol into pregnenolone. This protein permits the cleavage of cholesterol into pregnenolone by mediating the transport of cholesterol from the outer mitochondrial membrane to the inner mitochondrial membrane. Mutations in this gene are a cause of congenital lipoid adrenal hyperplasia (CLAH), also called lipoid CAH. A pseudogene of this gene is located on chromosome 13. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mice fail to thrive and die during the postnatal period due to adrenocortical insufficiency. Mice exhibit male pseudohermaprhoditism and show a progressive accumulation of lipids within steroidogenic cells of the adrenal glands and gonads. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700010I14Rik G A 17: 9,226,737 (GRCm39) W467* probably null Het
4921509C19Rik A T 2: 151,313,285 (GRCm39) probably benign Het
Actl6b G A 5: 137,552,918 (GRCm39) M82I probably benign Het
Bmp2 T A 2: 133,403,254 (GRCm39) D268E probably damaging Het
Cacng7 T A 7: 3,415,298 (GRCm39) L221H probably damaging Het
Ccser2 A G 14: 36,601,712 (GRCm39) V224A probably damaging Het
Cdc40 A G 10: 40,733,576 (GRCm39) F125L probably damaging Het
Cfap46 C T 7: 139,211,979 (GRCm39) A1669T unknown Het
Cfap58 A T 19: 47,941,535 (GRCm39) E301V probably damaging Het
Clcn2 C A 16: 20,532,168 (GRCm39) G96C probably damaging Het
Cotl1 T A 8: 120,536,944 (GRCm39) probably benign Het
Cps1 G A 1: 67,216,110 (GRCm39) A812T probably damaging Het
Cracd T C 5: 77,006,489 (GRCm39) V950A unknown Het
Crnkl1 T C 2: 145,773,350 (GRCm39) probably null Het
Cry1 A G 10: 84,992,969 (GRCm39) V83A probably benign Het
Cyp2a5 G T 7: 26,540,530 (GRCm39) R381L probably damaging Het
Cyp46a1 T C 12: 108,327,462 (GRCm39) F425L probably damaging Het
Dek A T 13: 47,252,930 (GRCm39) N158K unknown Het
Dgcr8 T A 16: 18,076,161 (GRCm39) Q674L probably damaging Het
Dlec1 C A 9: 118,941,650 (GRCm39) S345R probably benign Het
Dnah7b T A 1: 46,273,305 (GRCm39) C2478S possibly damaging Het
Dstyk T A 1: 132,361,963 (GRCm39) L131Q probably damaging Het
Fbxw7 T A 3: 84,862,227 (GRCm39) L186M Het
Fn1 T C 1: 71,644,239 (GRCm39) Q1684R probably benign Het
Fsip2 C A 2: 82,813,453 (GRCm39) H3257Q possibly damaging Het
Gm5773 T C 3: 93,681,042 (GRCm39) V238A probably damaging Het
Gm9611 T C 14: 42,116,657 (GRCm39) D131G Het
Gpatch8 T C 11: 102,371,018 (GRCm39) E840G unknown Het
Grm5 G A 7: 87,453,176 (GRCm39) R271Q probably damaging Het
Has3 A T 8: 107,601,135 (GRCm39) Y199F probably damaging Het
Hmcn2 A G 2: 31,315,393 (GRCm39) N3714S probably benign Het
Idh1 CA CAA 1: 65,204,347 (GRCm39) probably null Het
Il2 T A 3: 37,177,282 (GRCm39) T85S possibly damaging Het
Kank4 T C 4: 98,668,273 (GRCm39) H58R possibly damaging Het
Kcnk4 T A 19: 6,905,379 (GRCm39) I154F probably damaging Het
Krt1c T C 15: 101,724,379 (GRCm39) K295R possibly damaging Het
Lipm A T 19: 34,090,308 (GRCm39) D163V probably damaging Het
Lpl A G 8: 69,340,215 (GRCm39) N70S probably damaging Het
Mgme1 A G 2: 144,114,451 (GRCm39) probably benign Het
Mnd1 T A 3: 83,995,432 (GRCm39) E187D probably benign Het
Morn5 A G 2: 35,969,533 (GRCm39) D149G probably benign Het
Mrrf G A 2: 36,037,965 (GRCm39) V79I probably damaging Het
Msh4 T A 3: 153,563,270 (GRCm39) Q896L probably benign Het
Mtus2 A C 5: 148,015,303 (GRCm39) M699L possibly damaging Het
Mycbp T A 4: 123,803,880 (GRCm39) C130S unknown Het
Ntn5 A T 7: 45,333,899 (GRCm39) Y4F probably benign Het
Or7e174 T C 9: 20,012,580 (GRCm39) V175A probably benign Het
Osm A G 11: 4,189,839 (GRCm39) S208G probably benign Het
Pcsk6 T A 7: 65,578,891 (GRCm39) Y222N possibly damaging Het
Pde6a A G 18: 61,390,104 (GRCm39) E486G probably benign Het
Pdzk1 T A 3: 96,758,910 (GRCm39) L105Q possibly damaging Het
Prkd1 C G 12: 50,435,155 (GRCm39) S524T probably benign Het
Prkd1 T A 12: 50,435,156 (GRCm39) S524C probably damaging Het
Rab4b T C 7: 26,874,148 (GRCm39) I90V Het
Rc3h1 T C 1: 160,795,222 (GRCm39) V1083A probably benign Het
Rfx7 C T 9: 72,524,316 (GRCm39) T502I probably benign Het
Rtn4rl2 T C 2: 84,702,558 (GRCm39) Y332C probably damaging Het
Senp2 A G 16: 21,846,789 (GRCm39) T265A probably benign Het
Slc38a3 T C 9: 107,532,345 (GRCm39) M396V probably benign Het
Sord G A 2: 122,094,607 (GRCm39) V332I probably benign Het
Sprr1b GTGGCAGGGCTCAGGAGCCTTGGGGTGGCAGGGCTCAGGAGCCTTGGGATGGCAGGGCTCAGGAGCCTTGGGGTGGCAGGGCTCAGGA GTGGCAGGGCTCAGGAGCCTTGGGGTGGCAGGGCTCAGGA 3: 92,344,653 (GRCm39) probably benign Het
Stard4 T G 18: 33,336,749 (GRCm39) I189L possibly damaging Het
Stk38 G T 17: 29,219,094 (GRCm39) T7K probably benign Het
Stxbp5 T A 10: 9,713,859 (GRCm39) K227* probably null Het
Taf4b C T 18: 14,946,485 (GRCm39) P436L possibly damaging Het
Tgm3 T A 2: 129,889,702 (GRCm39) V632E probably damaging Het
Tmem158 A G 9: 123,089,309 (GRCm39) F101S probably damaging Het
Trmt10b T C 4: 45,301,281 (GRCm39) S77P probably benign Het
Ttn A T 2: 76,720,307 (GRCm39) L6973* probably null Het
Tubal3 T C 13: 3,983,293 (GRCm39) F358L probably damaging Het
Tut4 T C 4: 108,406,575 (GRCm39) V1381A possibly damaging Het
Vmn1r214 C T 13: 23,219,273 (GRCm39) L256F possibly damaging Het
Vmn2r86 A G 10: 130,282,396 (GRCm39) V740A probably benign Het
Yipf1 A T 4: 107,193,355 (GRCm39) E80D probably benign Het
Zdhhc2 G T 8: 40,898,846 (GRCm39) probably null Het
Zfp655 C T 5: 145,181,290 (GRCm39) H383Y probably damaging Het
Zfp981 C T 4: 146,622,410 (GRCm39) T445I possibly damaging Het
Other mutations in Star
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00970:Star APN 8 26,302,894 (GRCm39) splice site probably null
IGL01337:Star APN 8 26,299,892 (GRCm39) missense probably damaging 1.00
IGL02165:Star APN 8 26,302,843 (GRCm39) missense possibly damaging 0.75
IGL03274:Star APN 8 26,301,082 (GRCm39) missense possibly damaging 0.72
BB001:Star UTSW 8 26,299,883 (GRCm39) missense possibly damaging 0.72
BB011:Star UTSW 8 26,299,883 (GRCm39) missense possibly damaging 0.72
R1327:Star UTSW 8 26,299,865 (GRCm39) missense probably benign 0.45
R3816:Star UTSW 8 26,299,905 (GRCm39) missense probably benign 0.15
R4790:Star UTSW 8 26,298,644 (GRCm39) missense probably damaging 0.99
R5490:Star UTSW 8 26,299,945 (GRCm39) missense probably damaging 1.00
R6362:Star UTSW 8 26,301,835 (GRCm39) missense probably benign 0.18
R6964:Star UTSW 8 26,301,851 (GRCm39) missense probably benign 0.00
R7924:Star UTSW 8 26,299,883 (GRCm39) missense possibly damaging 0.72
R8882:Star UTSW 8 26,302,897 (GRCm39) missense probably benign 0.00
R9126:Star UTSW 8 26,302,832 (GRCm39) missense probably benign 0.10
Predicted Primers PCR Primer
(F):5'- CTGTGATGAGTGGACAGAACTG -3'
(R):5'- CGTGGGTACAATGGTCCTAG -3'

Sequencing Primer
(F):5'- GAACTGTCCCTCTCCCAGAG -3'
(R):5'- TGGGTACAATGGTCCTAGCCAATC -3'
Posted On 2021-04-30