Incidental Mutation 'R4589:Mrps18a'
ID 342708
Institutional Source Beutler Lab
Gene Symbol Mrps18a
Ensembl Gene ENSMUSG00000023967
Gene Name mitochondrial ribosomal protein S18A
Synonyms 1110004O20Rik
Accession Numbers
Essential gene? Probably essential (E-score: 0.884) question?
Stock # R4589 (G1)
Quality Score 225
Status Not validated
Chromosome 17
Chromosomal Location 46421930-46439834 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 46428899 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000122433 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000024763] [ENSMUST00000123646]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000024763
SMART Domains Protein: ENSMUSP00000024763
Gene: ENSMUSG00000023967

DomainStartEndE-ValueType
Pfam:Ribosomal_S18 75 128 6.8e-20 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000123646
SMART Domains Protein: ENSMUSP00000122433
Gene: ENSMUSG00000023967

DomainStartEndE-ValueType
Pfam:Ribosomal_S18 75 128 4.2e-20 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131943
Predicted Effect noncoding transcript
Transcript: ENSMUST00000134237
Predicted Effect probably benign
Transcript: ENSMUST00000148581
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.9%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that belongs to the ribosomal protein S18P family. The encoded protein is one of three that has significant sequence similarity to bacterial S18 proteins. The primary sequences of the three human mitochondrial S18 proteins are no more closely related to each other than they are to the prokaryotic S18 proteins. A pseudogene corresponding to this gene is found on chromosome 3p. Alternative splicing results in multiple transcript variants.[provided by RefSeq, Jul 2010]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc1 G T 16: 14,211,895 (GRCm39) V157L probably benign Het
Actn1 G A 12: 80,218,573 (GRCm39) T737I possibly damaging Het
Ada T C 2: 163,574,868 (GRCm39) K90E possibly damaging Het
Ap2b1 T A 11: 83,223,837 (GRCm39) L184* probably null Het
Arfgef3 T C 10: 18,521,947 (GRCm39) D693G probably damaging Het
Arid4a A T 12: 71,116,738 (GRCm39) I277F probably damaging Het
Armh4 A G 14: 50,011,039 (GRCm39) S223P probably damaging Het
Ccdc171 A G 4: 83,467,855 (GRCm39) S67G probably benign Het
Ccr5 T A 9: 123,924,539 (GRCm39) F47L probably benign Het
Clip4 T A 17: 72,117,862 (GRCm39) C302* probably null Het
Cyth1 C T 11: 118,075,811 (GRCm39) V142I possibly damaging Het
Ddx59 T A 1: 136,367,480 (GRCm39) probably null Het
Def6 G T 17: 28,447,121 (GRCm39) R584L probably benign Het
Dnah7c C A 1: 46,553,743 (GRCm39) Y340* probably null Het
Eif2ak4 T G 2: 118,247,819 (GRCm39) C173W probably damaging Het
Gm14403 C T 2: 177,200,428 (GRCm39) H125Y probably benign Het
Grk3 T C 5: 113,089,584 (GRCm39) I323V possibly damaging Het
Homez G T 14: 55,094,487 (GRCm39) T407K probably damaging Het
Igdcc4 A G 9: 65,037,910 (GRCm39) T763A probably damaging Het
Ighg2b A T 12: 113,270,104 (GRCm39) W305R unknown Het
Il27ra G T 8: 84,763,038 (GRCm39) N296K probably damaging Het
Lzic G T 4: 149,572,561 (GRCm39) L50F probably damaging Het
Mbtd1 T C 11: 93,812,245 (GRCm39) V183A probably damaging Het
Mme T A 3: 63,287,693 (GRCm39) D731E probably benign Het
Mocos T C 18: 24,787,095 (GRCm39) L38P probably damaging Het
Msh2 T A 17: 87,987,460 (GRCm39) V200D possibly damaging Het
Mug1 A T 6: 121,834,310 (GRCm39) I364F probably benign Het
Mycbp2 G T 14: 103,414,749 (GRCm39) S2554R probably benign Het
Nat10 A G 2: 103,584,415 (GRCm39) C121R probably damaging Het
Nfatc3 T A 8: 106,805,705 (GRCm39) D183E probably damaging Het
Odr4 C T 1: 150,260,238 (GRCm39) V127I probably benign Het
Or4d10c T C 19: 12,065,305 (GRCm39) I284V possibly damaging Het
Or51ac3 A T 7: 103,213,639 (GRCm39) F282L probably damaging Het
Or52h1 C A 7: 103,828,636 (GRCm39) probably null Het
Or5d14 T C 2: 87,880,823 (GRCm39) I48M probably benign Het
Pak6 T A 2: 118,527,021 (GRCm39) I672K probably damaging Het
Pan3 A T 5: 147,479,983 (GRCm39) I830F probably damaging Het
Pcdh9 A T 14: 94,125,628 (GRCm39) L181I probably damaging Het
Pigg G A 5: 108,480,556 (GRCm39) A447T probably benign Het
Pitpnb T A 5: 111,519,214 (GRCm39) S165T probably damaging Het
Pla2g2a A G 4: 138,560,590 (GRCm39) Y67C probably damaging Het
Plch1 A G 3: 63,688,928 (GRCm39) I80T probably damaging Het
Pnma1 A G 12: 84,194,235 (GRCm39) I156T probably benign Het
Prss21 G T 17: 24,091,796 (GRCm39) D255Y possibly damaging Het
Prune1 T A 3: 95,169,642 (GRCm39) I187F possibly damaging Het
Rab7b T C 1: 131,633,385 (GRCm39) F78L probably benign Het
Riok3 T A 18: 12,269,844 (GRCm39) Y92N probably benign Het
Rpap2 T C 5: 107,768,361 (GRCm39) S400P probably benign Het
Ryr3 C A 2: 112,705,478 (GRCm39) G792V probably damaging Het
Septin3 A G 15: 82,170,092 (GRCm39) E206G probably damaging Het
Stkld1 T C 2: 26,840,679 (GRCm39) S454P probably damaging Het
Tdh A T 14: 63,733,326 (GRCm39) L140Q probably damaging Het
Tex15 T A 8: 34,047,401 (GRCm39) H159Q probably damaging Het
Tmed6 C T 8: 107,790,793 (GRCm39) V85I probably benign Het
Vmn1r174 T A 7: 23,454,204 (GRCm39) L290* probably null Het
Vmn1r31 A G 6: 58,449,596 (GRCm39) S90P probably damaging Het
Vmn2r55 T C 7: 12,404,822 (GRCm39) T194A probably damaging Het
Vmn2r82 A T 10: 79,192,548 (GRCm39) I42F probably damaging Het
Vps35 G A 8: 86,014,331 (GRCm39) P106L probably damaging Het
Xrcc6 T A 15: 81,906,661 (GRCm39) Y69N probably damaging Het
Zbtb14 C T 17: 69,695,465 (GRCm39) P388S probably damaging Het
Zfp541 C T 7: 15,817,261 (GRCm39) A902V probably benign Het
Other mutations in Mrps18a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02735:Mrps18a APN 17 46,433,725 (GRCm39) missense probably damaging 1.00
R5086:Mrps18a UTSW 17 46,436,621 (GRCm39) missense probably benign 0.01
R5369:Mrps18a UTSW 17 46,436,552 (GRCm39) intron probably benign
R5600:Mrps18a UTSW 17 46,436,575 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TTGCTTTCTGTCCCAGGCAG -3'
(R):5'- TCAAGTGACAGATACCTCAGCAG -3'

Sequencing Primer
(F):5'- TTTCTGTCCCAGGCAGGAACC -3'
(R):5'- GCCCAGTGACTGTTCCTGATTAAAAC -3'
Posted On 2015-09-24