Incidental Mutation 'P0005:Ift74'
ID 7623
Institutional Source Beutler Lab
Gene Symbol Ift74
Ensembl Gene ENSMUSG00000028576
Gene Name intraflagellar transport 74
Synonyms Cmg1, Ccdc2, 1700029H06Rik, b2b796Clo
MMRRC Submission 038262-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # P0005 (G1)
Quality Score
Status Validated
Chromosome 4
Chromosomal Location 94502728-94581466 bp(+) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) A to G at 94550813 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000102721 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030311] [ENSMUST00000107104]
AlphaFold Q8BKE9
Predicted Effect probably benign
Transcript: ENSMUST00000030311
SMART Domains Protein: ENSMUSP00000030311
Gene: ENSMUSG00000028576

DomainStartEndE-ValueType
low complexity region 22 33 N/A INTRINSIC
low complexity region 47 62 N/A INTRINSIC
coiled coil region 98 271 N/A INTRINSIC
coiled coil region 302 382 N/A INTRINSIC
coiled coil region 430 490 N/A INTRINSIC
coiled coil region 512 546 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000104728
Predicted Effect probably benign
Transcript: ENSMUST00000107104
SMART Domains Protein: ENSMUSP00000102721
Gene: ENSMUSG00000028576

DomainStartEndE-ValueType
low complexity region 22 33 N/A INTRINSIC
low complexity region 47 62 N/A INTRINSIC
coiled coil region 98 271 N/A INTRINSIC
coiled coil region 302 352 N/A INTRINSIC
Coding Region Coverage
  • 1x: 85.5%
  • 3x: 80.5%
  • 10x: 66.1%
  • 20x: 49.6%
Validation Efficiency 95% (104/109)
MGI Phenotype PHENOTYPE: Mice homozygous for an ENU-induced mutation exhibit complex congenital heart disease associated with heterotaxy. [provided by MGI curators]
Allele List at MGI

All alleles(23) : Targeted(2) Gene trapped(21)

Other mutations in this stock
Total: 20 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp13a1 T C 8: 70,256,397 (GRCm39) V845A possibly damaging Het
Casp6 T C 3: 129,705,792 (GRCm39) V153A probably benign Het
Col6a1 A G 10: 76,553,163 (GRCm39) probably benign Het
Dars2 A G 1: 160,881,509 (GRCm39) probably null Het
Hmgcll1 T A 9: 75,982,041 (GRCm39) M162K possibly damaging Het
Hydin A T 8: 111,220,921 (GRCm39) probably null Het
Itpr1 A T 6: 108,358,218 (GRCm39) I595F probably damaging Het
Mgat4f T A 1: 134,315,646 (GRCm39) M15K probably benign Het
Mmp17 T C 5: 129,673,695 (GRCm39) V258A probably benign Het
Nek6 T C 2: 38,459,749 (GRCm39) probably null Het
Nomo1 A T 7: 45,686,981 (GRCm39) probably null Het
Nudt3 A G 17: 27,815,689 (GRCm39) probably benign Het
Pramel32 A G 4: 88,546,187 (GRCm39) L385P probably damaging Het
Prkg2 A C 5: 99,117,806 (GRCm39) F512V probably damaging Het
Ptp4a3 T A 15: 73,627,160 (GRCm39) D72E possibly damaging Het
Rpgrip1l A T 8: 92,025,853 (GRCm39) probably benign Het
Rrp9 G A 9: 106,358,376 (GRCm39) R101H probably benign Het
Slc7a6os T C 8: 106,931,154 (GRCm39) I161V probably benign Het
Tex15 T C 8: 34,060,896 (GRCm39) F109L probably benign Het
Tns2 A G 15: 102,022,491 (GRCm39) Q1188R probably damaging Het
Other mutations in Ift74
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00944:Ift74 APN 4 94,581,259 (GRCm39) missense probably damaging 1.00
IGL01534:Ift74 APN 4 94,568,181 (GRCm39) missense probably benign 0.00
IGL01701:Ift74 APN 4 94,550,895 (GRCm39) missense possibly damaging 0.94
IGL02155:Ift74 APN 4 94,567,488 (GRCm39) missense probably benign
IGL02455:Ift74 APN 4 94,524,068 (GRCm39) nonsense probably null
IGL02877:Ift74 APN 4 94,513,018 (GRCm39) critical splice donor site probably null
IGL03389:Ift74 APN 4 94,510,149 (GRCm39) missense possibly damaging 0.57
PIT4243001:Ift74 UTSW 4 94,575,141 (GRCm39) missense possibly damaging 0.94
R0211:Ift74 UTSW 4 94,567,492 (GRCm39) missense probably benign 0.05
R0211:Ift74 UTSW 4 94,567,492 (GRCm39) missense probably benign 0.05
R1019:Ift74 UTSW 4 94,524,072 (GRCm39) missense probably benign 0.20
R1240:Ift74 UTSW 4 94,581,174 (GRCm39) splice site probably null
R1699:Ift74 UTSW 4 94,573,940 (GRCm39) missense probably benign 0.09
R1937:Ift74 UTSW 4 94,550,883 (GRCm39) missense probably benign 0.10
R2114:Ift74 UTSW 4 94,515,496 (GRCm39) missense probably benign 0.00
R2116:Ift74 UTSW 4 94,515,496 (GRCm39) missense probably benign 0.00
R2117:Ift74 UTSW 4 94,515,496 (GRCm39) missense probably benign 0.00
R2181:Ift74 UTSW 4 94,520,951 (GRCm39) missense probably damaging 0.98
R2680:Ift74 UTSW 4 94,541,265 (GRCm39) missense probably damaging 1.00
R3434:Ift74 UTSW 4 94,510,089 (GRCm39) critical splice acceptor site probably null
R3435:Ift74 UTSW 4 94,510,089 (GRCm39) critical splice acceptor site probably null
R4080:Ift74 UTSW 4 94,541,149 (GRCm39) splice site probably null
R4379:Ift74 UTSW 4 94,568,171 (GRCm39) missense probably benign 0.00
R4777:Ift74 UTSW 4 94,541,234 (GRCm39) missense probably benign 0.00
R5197:Ift74 UTSW 4 94,550,833 (GRCm39) missense probably benign 0.00
R5934:Ift74 UTSW 4 94,520,971 (GRCm39) missense probably benign
R5994:Ift74 UTSW 4 94,579,961 (GRCm39) missense possibly damaging 0.86
R6639:Ift74 UTSW 4 94,552,496 (GRCm39) intron probably benign
R6781:Ift74 UTSW 4 94,515,539 (GRCm39) missense probably damaging 1.00
R7156:Ift74 UTSW 4 94,549,189 (GRCm39) missense possibly damaging 0.95
R7239:Ift74 UTSW 4 94,541,187 (GRCm39) missense probably benign 0.00
R7899:Ift74 UTSW 4 94,510,214 (GRCm39) missense possibly damaging 0.90
R8814:Ift74 UTSW 4 94,550,873 (GRCm39) nonsense probably null
R8944:Ift74 UTSW 4 94,510,128 (GRCm39) missense probably damaging 1.00
R9029:Ift74 UTSW 4 94,506,271 (GRCm39) missense probably benign 0.11
R9112:Ift74 UTSW 4 94,575,103 (GRCm39) missense probably benign 0.00
R9615:Ift74 UTSW 4 94,550,822 (GRCm39) critical splice acceptor site probably null
Protein Function and Prediction

Ift74 (alternatively, capillary morphogenesis gene (CMG)-1) is required for the expression of cyclin-D2, E-cadherin, integrin-α1, α2, α10, and α11 in a mouse premeiotic spermatocyte-derived cell line (GC-2) (1;2). CMG-1 serves as a transcriptional regulator of proliferation and adhesion-associated genes in early stage male germ-line cells in the testis (1).

Expression/Localization

RT-PCR detected highest expression in adult and fetal kidney and lower expression in adult heart, placenta, lung, liver, and pancreas, and in fetal heart, lung, and liver. Little to no expression was detected in adult brain and skeletal muscle or in fetal brain, thymus, and spleen (3). CMG-1 is abundantly expressed in immature stages of male germ-line cells of the adult mouse testis (1;2)

 
Background

Mutations within IFT74 have been found in patients with Amyotrophic lateral sclerosis (ALS) and/or frontotemporal dementia [OMIM: #105550; (4) ]. ALS patients have progressive motor neuron degeneration resulting in paralysis and death (~3-5 years after symptom onset) (4).


Knockdown of Ift74 in mouse at embryonic day 9.5 resulted in enhanced proliferation and expansion of basal keteratinocyte-like cells and a loss of cilia in epidermal keratinocytes (5).

References
Posted On 2012-10-05
Science Writer Anne Murray