Incidental Mutation 'R6105:Cyb5a'
ID 485487
Institutional Source Beutler Lab
Gene Symbol Cyb5a
Ensembl Gene ENSMUSG00000024646
Gene Name cytochrome b5 type A (microsomal)
Synonyms 0610009N12Rik, Cyb5
MMRRC Submission 044255-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.163) question?
Stock # R6105 (G1)
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 84869463-84897996 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 84889718 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 49 (R49Q)
Ref Sequence ENSEMBL: ENSMUSP00000124412 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025549] [ENSMUST00000160180] [ENSMUST00000163083]
AlphaFold P56395
Predicted Effect probably benign
Transcript: ENSMUST00000025549
AA Change: R73Q

PolyPhen 2 Score 0.081 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000025549
Gene: ENSMUSG00000024646
AA Change: R73Q

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159846
Predicted Effect possibly damaging
Transcript: ENSMUST00000160180
AA Change: R73Q

PolyPhen 2 Score 0.489 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000124480
Gene: ENSMUSG00000024646
AA Change: R73Q

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
transmembrane domain 109 131 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000163083
AA Change: R49Q

PolyPhen 2 Score 0.865 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000124412
Gene: ENSMUSG00000024646
AA Change: R49Q

DomainStartEndE-ValueType
Cyt-b5 1 61 1.66e-2 SMART
transmembrane domain 85 107 N/A INTRINSIC
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 94.0%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a membrane-bound cytochrome that reduces ferric hemoglobin (methemoglobin) to ferrous hemoglobin, which is required for stearyl-CoA-desaturase activity. Defects in this gene are a cause of type IV hereditary methemoglobinemia. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]
PHENOTYPE: Mice homozygous for a conditional allele exhibit abnormal pharmacokinetics of xenobiotics following cre-mediated recombination. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 T C 11: 9,347,812 (GRCm39) M3555T probably damaging Het
Adam9 A T 8: 25,460,775 (GRCm39) C570S probably damaging Het
Adh6b T A 3: 138,063,471 (GRCm39) I350K possibly damaging Het
Ahnak G A 19: 8,981,463 (GRCm39) V916I probably benign Het
Aldh4a1 C T 4: 139,365,806 (GRCm39) P266S possibly damaging Het
Cnot7 C T 8: 40,963,078 (GRCm39) R32Q probably benign Het
Fbxo6 A T 4: 148,233,979 (GRCm39) I39N probably damaging Het
Glul T A 1: 153,782,177 (GRCm39) Y137* probably null Het
Ipo8 A G 6: 148,700,168 (GRCm39) Y570H probably damaging Het
Kif2b A G 11: 91,466,814 (GRCm39) S490P probably benign Het
Kxd1 A T 8: 70,972,589 (GRCm39) N33K probably benign Het
Man2a2 T C 7: 80,016,749 (GRCm39) D355G probably damaging Het
Map6 T C 7: 98,917,314 (GRCm39) V29A probably damaging Het
Mtmr3 T C 11: 4,435,432 (GRCm39) D1116G probably damaging Het
Or4p23 T A 2: 88,577,184 (GRCm39) H16L probably benign Het
Or8b52 A G 9: 38,576,916 (GRCm39) S75P probably damaging Het
Or8d2b T C 9: 38,788,604 (GRCm39) L44P possibly damaging Het
Pak1ip1 T A 13: 41,158,361 (GRCm39) L78Q probably damaging Het
Phf10 C T 17: 15,174,387 (GRCm39) probably null Het
Pikfyve A G 1: 65,303,504 (GRCm39) probably null Het
Pkd1l3 A G 8: 110,367,478 (GRCm39) D1225G probably damaging Het
Postn A G 3: 54,279,641 (GRCm39) probably null Het
Slc22a30 T C 19: 8,315,232 (GRCm39) probably null Het
Specc1l T C 10: 75,084,466 (GRCm39) S730P probably damaging Het
Steap2 T A 5: 5,725,891 (GRCm39) I378F possibly damaging Het
Sult4a1 T A 15: 83,970,821 (GRCm39) K195* probably null Het
Tgfb1i1 T A 7: 127,847,589 (GRCm39) probably null Het
Thbs4 G T 13: 92,911,993 (GRCm39) Q246K possibly damaging Het
Tnfsf10 A G 3: 27,389,698 (GRCm39) Y253C probably damaging Het
Tnpo3 G T 6: 29,588,042 (GRCm39) C125* probably null Het
Trappc8 A G 18: 20,979,504 (GRCm39) probably null Het
Trpm6 C T 19: 18,831,112 (GRCm39) R1326* probably null Het
Vmn2r19 A C 6: 123,293,054 (GRCm39) E365D possibly damaging Het
Vps18 A G 2: 119,119,543 (GRCm39) Y8C probably damaging Het
Zc3hav1l A G 6: 38,270,012 (GRCm39) V279A probably benign Het
Zfp111 T C 7: 23,902,791 (GRCm39) probably null Het
Zfp618 A T 4: 63,051,478 (GRCm39) Q753L probably benign Het
Zkscan17 A T 11: 59,394,401 (GRCm39) C67S probably damaging Het
Other mutations in Cyb5a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01320:Cyb5a APN 18 84,897,648 (GRCm39) missense probably damaging 0.99
IGL01404:Cyb5a APN 18 84,895,985 (GRCm39) missense probably benign 0.13
IGL02152:Cyb5a APN 18 84,891,281 (GRCm39) missense probably benign 0.04
IGL02179:Cyb5a APN 18 84,891,280 (GRCm39) missense probably benign 0.01
IGL02561:Cyb5a APN 18 84,889,637 (GRCm39) missense probably damaging 1.00
IGL02590:Cyb5a APN 18 84,889,732 (GRCm39) missense probably benign 0.01
R0011:Cyb5a UTSW 18 84,895,947 (GRCm39) splice site probably benign
R1122:Cyb5a UTSW 18 84,895,964 (GRCm39) missense possibly damaging 0.62
R1495:Cyb5a UTSW 18 84,869,605 (GRCm39) start codon destroyed probably null 0.99
R1796:Cyb5a UTSW 18 84,869,686 (GRCm39) missense probably benign 0.05
R4402:Cyb5a UTSW 18 84,889,718 (GRCm39) missense possibly damaging 0.87
R5237:Cyb5a UTSW 18 84,889,689 (GRCm39) missense probably damaging 1.00
R6101:Cyb5a UTSW 18 84,889,718 (GRCm39) missense possibly damaging 0.87
R6771:Cyb5a UTSW 18 84,889,755 (GRCm39) missense probably damaging 1.00
R8546:Cyb5a UTSW 18 84,889,759 (GRCm39) critical splice donor site probably null
R8736:Cyb5a UTSW 18 84,869,560 (GRCm39) unclassified probably benign
R9365:Cyb5a UTSW 18 84,894,979 (GRCm39) intron probably benign
R9579:Cyb5a UTSW 18 84,891,273 (GRCm39) missense probably benign 0.42
Predicted Primers PCR Primer
(F):5'- GCAGTGGGCTATCTGATCAG -3'
(R):5'- CCCCGAGTTCAGCAATAACTG -3'

Sequencing Primer
(F):5'- TGGGCTATCTGATCAGATAAGC -3'
(R):5'- AGGTATCCTGTTAAGCACCG -3'
Posted On 2017-08-16