Incidental Mutation 'R0480:Cyp21a1'
ID 41982
Institutional Source Beutler Lab
Gene Symbol Cyp21a1
Ensembl Gene ENSMUSG00000024365
Gene Name cytochrome P450, family 21, subfamily a, polypeptide 1
Synonyms Cyp21, 21OHA, Oh21-1, 21-OH, 21-hydroxylase, 21OH, Oh21-1
MMRRC Submission 038680-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.168) question?
Stock # R0480 (G1)
Quality Score 193
Status Validated
Chromosome 17
Chromosomal Location 35020322-35023400 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 35020800 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 473 (L473Q)
Ref Sequence ENSEMBL: ENSMUSP00000025223 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025223]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000025223
AA Change: L473Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000025223
Gene: ENSMUSG00000024365
AA Change: L473Q

DomainStartEndE-ValueType
low complexity region 2 13 N/A INTRINSIC
Pfam:p450 29 473 3.9e-98 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173277
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173394
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173970
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.3%
  • 20x: 92.6%
Validation Efficiency 99% (117/118)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and hydroxylates steroids at the 21 position. Its activity is required for the synthesis of steroid hormones including cortisol and aldosterone. Mutations in this gene cause congenital adrenal hyperplasia. A related pseudogene is located near this gene; gene conversion events involving the functional gene and the pseudogene are thought to account for many cases of steroid 21-hydroxylase deficiency. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: An 80kb deletion including Cyp21a1 is found in mice with the H2 haplotype aw18. Homozygotes are lethal, but can be rescued with a Cyp21a1 transgene. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 113 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2810021J22Rik C T 11: 58,771,012 (GRCm39) L165F probably damaging Het
Adamts18 A G 8: 114,465,450 (GRCm39) V714A possibly damaging Het
Adamtsl1 G T 4: 86,171,055 (GRCm39) A518S probably benign Het
Adcy2 C T 13: 68,880,231 (GRCm39) V363M probably damaging Het
Ago4 G T 4: 126,419,870 (GRCm39) Q36K probably benign Het
Akr1a1 A G 4: 116,497,044 (GRCm39) V172A possibly damaging Het
Alkbh2 T A 5: 114,263,596 (GRCm39) N137I probably damaging Het
Ank3 T A 10: 69,715,756 (GRCm39) S470T probably damaging Het
Ankrd12 T C 17: 66,356,823 (GRCm39) T65A possibly damaging Het
Aox1 A T 1: 58,082,810 (GRCm39) probably benign Het
Arhgap11a A T 2: 113,670,163 (GRCm39) I320N probably benign Het
Arhgap17 G A 7: 122,893,867 (GRCm39) H518Y probably damaging Het
Ascc3 T C 10: 50,611,348 (GRCm39) V1563A probably damaging Het
Atf2 G A 2: 73,649,500 (GRCm39) probably benign Het
Bmpr2 C T 1: 59,884,818 (GRCm39) T268I probably damaging Het
Bpifb9a A G 2: 154,106,608 (GRCm39) I380V probably benign Het
C2cd2 G A 16: 97,678,348 (GRCm39) T363I probably benign Het
Catsperg2 T G 7: 29,420,723 (GRCm39) N190H probably damaging Het
Ccdc138 T C 10: 58,397,789 (GRCm39) L543S probably damaging Het
Ccdc170 A T 10: 4,468,939 (GRCm39) K162N probably benign Het
Cdca5 G T 19: 6,140,328 (GRCm39) R163L probably damaging Het
Cdh24 A G 14: 54,870,054 (GRCm39) F239S probably benign Het
Cdkl3 T C 11: 51,895,882 (GRCm39) V43A probably damaging Het
Cep152 G T 2: 125,423,639 (GRCm39) Q921K possibly damaging Het
Cftr G A 6: 18,274,517 (GRCm39) probably benign Het
Chmp5 T C 4: 40,948,690 (GRCm39) probably benign Het
Cit T A 5: 116,071,452 (GRCm39) probably benign Het
Cngb3 T A 4: 19,309,517 (GRCm39) probably benign Het
Cnr2 A G 4: 135,644,912 (GRCm39) E330G probably benign Het
Dchs1 T C 7: 105,420,696 (GRCm39) T575A probably benign Het
Dedd2 A G 7: 24,903,050 (GRCm39) V303A probably damaging Het
Dmd G T X: 83,469,344 (GRCm39) A2370S probably benign Het
Dnah10 T A 5: 124,885,915 (GRCm39) N3009K probably damaging Het
Dnajc13 G T 9: 104,077,708 (GRCm39) N934K probably damaging Het
Dock1 C T 7: 134,339,447 (GRCm39) L106F probably damaging Het
Fat3 A G 9: 15,909,025 (GRCm39) Y2326H probably benign Het
Fhl5 A T 4: 25,207,101 (GRCm39) C222* probably null Het
Gnmt T C 17: 47,036,854 (GRCm39) T252A probably benign Het
Gpi-ps A G 8: 5,689,888 (GRCm39) noncoding transcript Het
Gsta5 C T 9: 78,210,099 (GRCm39) A135V probably benign Het
Gtf2f1 A G 17: 57,311,307 (GRCm39) probably null Het
Gtf3a T C 5: 146,890,039 (GRCm39) Y187H probably damaging Het
Hdac2 A G 10: 36,850,788 (GRCm39) Y14C probably damaging Het
Hnrnph1 T G 11: 50,276,589 (GRCm39) probably benign Het
Homer2 T C 7: 81,268,351 (GRCm39) D92G possibly damaging Het
Hspg2 T C 4: 137,277,335 (GRCm39) S2885P probably damaging Het
Insr A G 8: 3,211,770 (GRCm39) S1084P probably damaging Het
Ints11 T A 4: 155,972,081 (GRCm39) V362E probably damaging Het
Kank2 T C 9: 21,691,195 (GRCm39) N513S probably damaging Het
Kl T G 5: 150,876,753 (GRCm39) V191G probably damaging Het
Krt23 A G 11: 99,377,524 (GRCm39) probably null Het
Lama3 A C 18: 12,583,481 (GRCm39) T690P possibly damaging Het
Lamb1 G A 12: 31,332,720 (GRCm39) A281T possibly damaging Het
Lck T C 4: 129,449,433 (GRCm39) E299G probably damaging Het
Lonrf1 A G 8: 36,689,864 (GRCm39) V703A probably damaging Het
Ly6f T C 15: 75,143,526 (GRCm39) C78R probably damaging Het
Mapkap1 C T 2: 34,423,793 (GRCm39) probably benign Het
Mast1 T A 8: 85,639,718 (GRCm39) I1204F probably damaging Het
Mbd6 C T 10: 127,121,742 (GRCm39) probably benign Het
Mef2c A T 13: 83,741,020 (GRCm39) T60S probably damaging Het
Mgat4c C T 10: 102,224,980 (GRCm39) T398I probably damaging Het
Mmp12 C A 9: 7,350,016 (GRCm39) H102Q probably damaging Het
Mmp20 G A 9: 7,645,374 (GRCm39) G308E probably damaging Het
Mms19 A T 19: 41,943,285 (GRCm39) L395Q probably damaging Het
Mus81 A G 19: 5,537,959 (GRCm39) probably benign Het
Mypn C T 10: 63,028,982 (GRCm39) R27H probably benign Het
Nav3 T C 10: 109,689,161 (GRCm39) E372G probably damaging Het
Ncoa1 T A 12: 4,389,105 (GRCm39) I57F probably damaging Het
Ncstn T C 1: 171,910,159 (GRCm39) probably benign Het
Nefm C T 14: 68,361,608 (GRCm39) D219N probably damaging Het
Notch2 C T 3: 98,053,853 (GRCm39) T2172I possibly damaging Het
Obscn T A 11: 59,024,772 (GRCm39) K423* probably null Het
Or51l14 A G 7: 103,100,835 (GRCm39) N97S probably benign Het
Or5d37 A C 2: 87,923,972 (GRCm39) S103A probably benign Het
Or5k1 T C 16: 58,617,684 (GRCm39) N175S probably benign Het
Or9a2 A T 6: 41,749,198 (GRCm39) C12S probably benign Het
Ostm1 T A 10: 42,572,343 (GRCm39) M242K probably damaging Het
Oxnad1 T A 14: 31,821,437 (GRCm39) I154N probably damaging Het
Pcdhb10 T A 18: 37,546,152 (GRCm39) D409E probably damaging Het
Pdcd11 T C 19: 47,113,476 (GRCm39) probably benign Het
Peak1 C A 9: 56,165,916 (GRCm39) V671L probably benign Het
Pex1 G A 5: 3,656,444 (GRCm39) probably null Het
Plk4 T A 3: 40,760,075 (GRCm39) F324I probably benign Het
Poglut2 C T 1: 44,149,917 (GRCm39) W424* probably null Het
Ppfibp1 C A 6: 146,920,529 (GRCm39) probably null Het
Prcp T A 7: 92,568,290 (GRCm39) W276R probably damaging Het
Prr14l T C 5: 32,987,224 (GRCm39) E757G probably benign Het
Prss52 T A 14: 64,351,093 (GRCm39) Y293N probably damaging Het
Prune2 A G 19: 16,984,156 (GRCm39) probably benign Het
Ptprk G C 10: 28,461,943 (GRCm39) A84P probably damaging Het
Ptprk C T 10: 28,461,944 (GRCm39) A84V probably damaging Het
Rock1 A G 18: 10,079,120 (GRCm39) L1116P possibly damaging Het
Sdha A T 13: 74,475,452 (GRCm39) F526Y probably benign Het
Sema4b T C 7: 79,869,954 (GRCm39) F414S probably damaging Het
Serpina12 T C 12: 104,001,960 (GRCm39) D252G probably damaging Het
Siglecg C T 7: 43,060,550 (GRCm39) A310V probably benign Het
Slc30a8 A G 15: 52,188,966 (GRCm39) I194V probably benign Het
Spred3 A G 7: 28,862,400 (GRCm39) S148P probably damaging Het
Taf9b A G X: 105,262,014 (GRCm39) S58P probably damaging Het
Tgm4 A T 9: 122,891,484 (GRCm39) Y109F probably benign Het
Tmprss11c T G 5: 86,385,468 (GRCm39) probably benign Het
Tmtc3 A T 10: 100,307,266 (GRCm39) V246D probably damaging Het
Tnip1 C T 11: 54,828,820 (GRCm39) G116R probably damaging Het
Tpr A G 1: 150,303,992 (GRCm39) E1455G possibly damaging Het
Ttc3 T A 16: 94,232,863 (GRCm39) L986* probably null Het
Txndc15 A G 13: 55,872,436 (GRCm39) I275V possibly damaging Het
Ugt2b1 T A 5: 87,074,315 (GRCm39) I15L probably benign Het
Upf2 T C 2: 5,962,445 (GRCm39) V49A possibly damaging Het
Vmn1r117 G A 7: 20,617,371 (GRCm39) P226S probably benign Het
Vmn2r28 A T 7: 5,493,456 (GRCm39) H163Q probably benign Het
Vstm2a T A 11: 16,213,240 (GRCm39) S208R probably damaging Het
Zfp346 T A 13: 55,260,910 (GRCm39) C79* probably null Het
Zfp628 A T 7: 4,924,615 (GRCm39) T946S probably benign Het
Other mutations in Cyp21a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00339:Cyp21a1 APN 17 35,023,108 (GRCm39) critical splice acceptor site probably null
IGL01688:Cyp21a1 APN 17 35,021,194 (GRCm39) missense probably damaging 1.00
IGL02352:Cyp21a1 APN 17 35,023,196 (GRCm39) missense probably damaging 1.00
IGL02359:Cyp21a1 APN 17 35,023,196 (GRCm39) missense probably damaging 1.00
IGL02418:Cyp21a1 APN 17 35,023,162 (GRCm39) splice site probably benign
IGL03089:Cyp21a1 APN 17 35,022,420 (GRCm39) splice site probably null
R1386:Cyp21a1 UTSW 17 35,021,184 (GRCm39) missense probably damaging 0.98
R1831:Cyp21a1 UTSW 17 35,023,009 (GRCm39) splice site probably benign
R2159:Cyp21a1 UTSW 17 35,021,378 (GRCm39) missense probably benign 0.21
R2209:Cyp21a1 UTSW 17 35,021,701 (GRCm39) nonsense probably null
R4968:Cyp21a1 UTSW 17 35,022,383 (GRCm39) missense possibly damaging 0.93
R5957:Cyp21a1 UTSW 17 35,022,150 (GRCm39) missense probably benign 0.13
R6374:Cyp21a1 UTSW 17 35,023,110 (GRCm39) splice site probably null
R7077:Cyp21a1 UTSW 17 35,021,333 (GRCm39) missense probably damaging 1.00
R7143:Cyp21a1 UTSW 17 35,021,300 (GRCm39) missense probably damaging 1.00
R7798:Cyp21a1 UTSW 17 35,023,295 (GRCm39) missense probably benign 0.30
R8192:Cyp21a1 UTSW 17 35,022,633 (GRCm39) missense probably damaging 1.00
R8359:Cyp21a1 UTSW 17 35,021,105 (GRCm39) critical splice donor site probably null
R8460:Cyp21a1 UTSW 17 35,021,844 (GRCm39) missense probably benign 0.01
R8933:Cyp21a1 UTSW 17 35,023,285 (GRCm39) missense probably damaging 1.00
R9133:Cyp21a1 UTSW 17 35,023,419 (GRCm39) start gained probably benign
R9408:Cyp21a1 UTSW 17 35,020,860 (GRCm39) missense probably damaging 1.00
R9561:Cyp21a1 UTSW 17 35,021,652 (GRCm39) missense possibly damaging 0.91
R9583:Cyp21a1 UTSW 17 35,022,017 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCTTCACGGAAATGAAGCTCCGAC -3'
(R):5'- TACCCACAGATCGCTTCCTGGAAC -3'

Sequencing Primer
(F):5'- CTGAGCCTGCTGCCTAC -3'
(R):5'- TCCTGGAACCTGGGAAGAATC -3'
Posted On 2013-05-23