Incidental Mutation 'R0576:Fa2h'
ID 56234
Institutional Source Beutler Lab
Gene Symbol Fa2h
Ensembl Gene ENSMUSG00000033579
Gene Name fatty acid 2-hydroxylase
Synonyms G630055L08Rik, Faxdc1
MMRRC Submission 038766-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.331) question?
Stock # R0576 (G1)
Quality Score 96
Status Validated
Chromosome 8
Chromosomal Location 112071770-112120453 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 112082779 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Arginine at position 146 (H146R)
Ref Sequence ENSEMBL: ENSMUSP00000043597 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038475]
AlphaFold Q5MPP0
Predicted Effect probably damaging
Transcript: ENSMUST00000038475
AA Change: H146R

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000043597
Gene: ENSMUSG00000033579
AA Change: H146R

DomainStartEndE-ValueType
low complexity region 2 9 N/A INTRINSIC
Cyt-b5 11 86 2.85e-15 SMART
low complexity region 115 126 N/A INTRINSIC
transmembrane domain 169 191 N/A INTRINSIC
Pfam:FA_hydroxylase 219 361 4.4e-21 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159336
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162463
Meta Mutation Damage Score 0.6510 question?
Coding Region Coverage
  • 1x: 99.7%
  • 3x: 99.1%
  • 10x: 97.6%
  • 20x: 94.9%
Validation Efficiency 92% (47/51)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that catalyzes the synthesis of 2-hydroxysphingolipids, a subset of sphingolipids that contain 2-hydroxy fatty acids. Sphingolipids play roles in many cellular processes and their structural diversity arises from modification of the hydrophobic ceramide moiety, such as by 2-hydroxylation of the N-acyl chain, and the existence of many different head groups. Mutations in this gene have been associated with leukodystrophy dysmyelinating with spastic paraparesis with or without dystonia.[provided by RefSeq, Mar 2010]
PHENOTYPE: Homozygotes for a null allele show demyelination, axonal loss, and cerebellar dysfunction. Homozygotes for a different null allele show late onset axon and myelin sheath degeneration, delayed fur emergence, altered sebum composition, sebocyte hyperproliferation, and cyclic alopecia. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ccdc77 T A 6: 120,308,809 (GRCm39) L335F probably benign Het
Ccr3 T A 9: 123,829,046 (GRCm39) F127Y probably damaging Het
Cfap43 T C 19: 47,785,579 (GRCm39) N437S probably benign Het
Cfh A G 1: 140,064,553 (GRCm39) V365A probably damaging Het
Copg1 T A 6: 87,874,945 (GRCm39) V380D probably damaging Het
Cxxc1 T C 18: 74,353,256 (GRCm39) I497T possibly damaging Het
Disp3 G A 4: 148,326,047 (GRCm39) T1237I possibly damaging Het
Dnaaf9 A T 2: 130,555,390 (GRCm39) F839L probably benign Het
Dnah7a A T 1: 53,675,246 (GRCm39) F360L probably benign Het
Dnhd1 C T 7: 105,363,252 (GRCm39) A3938V probably damaging Het
Eif4g1 A G 16: 20,502,818 (GRCm39) D1000G probably damaging Het
Emsy A T 7: 98,242,983 (GRCm39) V1052D probably damaging Het
Ep400 A G 5: 110,858,959 (GRCm39) probably benign Het
Gad1 G A 2: 70,424,996 (GRCm39) C430Y probably benign Het
Gtse1 T C 15: 85,753,252 (GRCm39) S456P probably damaging Het
Gucy2g T C 19: 55,187,202 (GRCm39) T1073A probably damaging Het
Hectd2 T G 19: 36,562,897 (GRCm39) N3K probably benign Het
Hmcn1 A T 1: 150,525,768 (GRCm39) C3318* probably null Het
Lipo2 C T 19: 33,726,824 (GRCm39) S71N probably benign Het
Mynn G T 3: 30,661,217 (GRCm39) D100Y probably damaging Het
Myo16 G A 8: 10,612,318 (GRCm39) probably null Het
Npr2 G T 4: 43,640,947 (GRCm39) K384N probably benign Het
Nrde2 A G 12: 100,098,492 (GRCm39) V725A possibly damaging Het
Or11h23 T A 14: 50,948,661 (GRCm39) S291R probably damaging Het
Or2l13 A G 16: 19,305,938 (GRCm39) M117V probably damaging Het
Otud7a C T 7: 63,335,266 (GRCm39) P101S possibly damaging Het
Pcdhb7 T A 18: 37,475,410 (GRCm39) L182Q probably benign Het
Pdss1 A G 2: 22,805,425 (GRCm39) probably null Het
Ppargc1b T A 18: 61,444,512 (GRCm39) H233L probably damaging Het
Ppm1b A G 17: 85,320,987 (GRCm39) probably null Het
Prdm14 A T 1: 13,195,949 (GRCm39) S37R possibly damaging Het
Prss45 A G 9: 110,667,497 (GRCm39) T39A probably benign Het
Qars1 T C 9: 108,392,161 (GRCm39) probably benign Het
Rxfp2 T G 5: 149,961,712 (GRCm39) H77Q probably benign Het
Scd4 A G 19: 44,329,685 (GRCm39) M219V probably benign Het
Sec24b G T 3: 129,834,985 (GRCm39) P71Q probably benign Het
Snd1 T G 6: 28,886,576 (GRCm39) V861G probably benign Het
Sspo A G 6: 48,441,876 (GRCm39) probably null Het
Tas2r129 A G 6: 132,928,497 (GRCm39) T145A probably benign Het
Tbc1d31 T A 15: 57,833,120 (GRCm39) I953N possibly damaging Het
Tlr4 A G 4: 66,757,732 (GRCm39) N175S probably benign Het
Tspyl4 A G 10: 34,174,518 (GRCm39) N337D probably damaging Het
Ttn A T 2: 76,642,545 (GRCm39) L13330H probably damaging Het
Usp33 T A 3: 152,089,756 (GRCm39) Y765* probably null Het
Vmn2r59 T A 7: 41,696,529 (GRCm39) Y71F probably benign Het
Zbed6 A G 1: 133,585,576 (GRCm39) F587S probably benign Het
Zfhx4 T C 3: 5,467,161 (GRCm39) S2465P probably damaging Het
Other mutations in Fa2h
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01930:Fa2h APN 8 112,075,936 (GRCm39) missense possibly damaging 0.55
IGL02983:Fa2h APN 8 112,073,154 (GRCm39) critical splice acceptor site probably null
IGL03350:Fa2h APN 8 112,075,928 (GRCm39) missense probably benign 0.05
sparse UTSW 8 112,082,030 (GRCm39) critical splice donor site probably null
R0016:Fa2h UTSW 8 112,120,146 (GRCm39) missense probably damaging 1.00
R0363:Fa2h UTSW 8 112,075,921 (GRCm39) missense probably damaging 1.00
R2914:Fa2h UTSW 8 112,120,281 (GRCm39) missense probably damaging 1.00
R3803:Fa2h UTSW 8 112,082,030 (GRCm39) critical splice donor site probably null
R3924:Fa2h UTSW 8 112,120,147 (GRCm39) missense probably damaging 1.00
R5203:Fa2h UTSW 8 112,075,996 (GRCm39) missense probably benign 0.00
R5253:Fa2h UTSW 8 112,075,869 (GRCm39) missense probably benign 0.00
R6547:Fa2h UTSW 8 112,074,652 (GRCm39) missense probably damaging 1.00
R7595:Fa2h UTSW 8 112,082,122 (GRCm39) missense probably benign 0.01
R8050:Fa2h UTSW 8 112,074,817 (GRCm39) critical splice acceptor site probably null
R8530:Fa2h UTSW 8 112,082,788 (GRCm39) missense probably benign 0.12
R9329:Fa2h UTSW 8 112,082,115 (GRCm39) missense possibly damaging 0.49
R9366:Fa2h UTSW 8 112,076,006 (GRCm39) missense probably benign 0.01
R9697:Fa2h UTSW 8 112,074,659 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGCACAGGGAAGGATGTTACCCAG -3'
(R):5'- CACACAAGCTGAGATGGTGCTAAGG -3'

Sequencing Primer
(F):5'- GGATCTAGCCTGTCACACC -3'
(R):5'- CTGAGATGGTGCTAAGGAACAG -3'
Posted On 2013-07-11