Incidental Mutation 'R5221:Mesp2'
ID 402318
Institutional Source Beutler Lab
Gene Symbol Mesp2
Ensembl Gene ENSMUSG00000030543
Gene Name mesoderm posterior 2
Synonyms bHLHc6
MMRRC Submission 042794-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5221 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 79460475-79463179 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 79461467 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 264 (T264I)
Ref Sequence ENSEMBL: ENSMUSP00000103017 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000107394]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000107394
AA Change: T264I

PolyPhen 2 Score 0.838 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000103017
Gene: ENSMUSG00000030543
AA Change: T264I

DomainStartEndE-ValueType
low complexity region 25 45 N/A INTRINSIC
low complexity region 57 77 N/A INTRINSIC
HLH 85 139 2.16e-10 SMART
internal_repeat_1 161 203 8.79e-6 PROSPERO
internal_repeat_1 219 255 8.79e-6 PROSPERO
low complexity region 282 312 N/A INTRINSIC
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.9%
Validation Efficiency 98% (53/54)
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 bHLH family of transcription factors and plays a key role in defining the rostrocaudal patterning of somites via interactions with multiple Notch signaling pathways. This gene is expressed in the anterior presomitic mesoderm and is downregulated immediately after the formation of segmented somites. This gene also plays a role in the formation of epithelial somitic mesoderm and cardiac mesoderm. Mutations in the MESP2 gene cause autosomal recessive spondylocostal dystosis 2 (SCD02). [provided by RefSeq, Oct 2008]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit absence of segmented somites, fused vertebral columns and dorsal root ganglia, and impaired sclerotomal polarity. Mutants die shortly after birth. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adrm1b T C 3: 92,335,815 (GRCm39) I296V probably benign Het
Antkmt T C 17: 26,010,613 (GRCm39) N67S possibly damaging Het
Arhgap26 T A 18: 39,243,525 (GRCm39) Y134* probably null Het
Asap2 A G 12: 21,263,191 (GRCm39) I269V probably benign Het
Bean1 A T 8: 104,941,784 (GRCm39) D34V probably damaging Het
C8a C T 4: 104,703,122 (GRCm39) V312M probably damaging Het
Ccser1 T C 6: 61,289,075 (GRCm39) S413P probably damaging Het
Col4a2 A G 8: 11,498,225 (GRCm39) N1678S probably benign Het
Coq2 G A 5: 100,805,698 (GRCm39) H313Y possibly damaging Het
Dsg1a T A 18: 20,457,071 (GRCm39) M148K possibly damaging Het
Farp2 T A 1: 93,504,140 (GRCm39) C306S probably damaging Het
Frem2 A G 3: 53,493,032 (GRCm39) V1828A probably damaging Het
Gm6457 T C 18: 14,703,174 (GRCm39) noncoding transcript Het
Gmip T G 8: 70,266,785 (GRCm39) V300G probably damaging Het
Gstp3 A G 19: 4,107,607 (GRCm39) S186P probably damaging Het
Gvin-ps3 G C 7: 105,683,181 (GRCm39) noncoding transcript Het
Kl G T 5: 150,912,616 (GRCm39) L788F probably damaging Het
Lin9 T A 1: 180,496,763 (GRCm39) L351I probably benign Het
Lrp1b A C 2: 41,002,994 (GRCm39) S1932A possibly damaging Het
Lrrc36 A G 8: 106,170,488 (GRCm39) T234A probably damaging Het
Mafa T A 15: 75,618,891 (GRCm39) Q294L possibly damaging Het
Mindy4 A G 6: 55,201,092 (GRCm39) Y259C probably benign Het
Or1e16 AGCGGTCGTAGGC AGC 11: 73,286,480 (GRCm39) probably null Het
Or2d3c A T 7: 106,526,268 (GRCm39) S133T probably benign Het
Or5as1 T C 2: 86,980,825 (GRCm39) Y60C probably damaging Het
Or5m13b A G 2: 85,754,493 (GRCm39) N294D probably damaging Het
Or8b48 A T 9: 38,493,148 (GRCm39) T192S probably damaging Het
Pcm1 T C 8: 41,741,193 (GRCm39) probably null Het
Plxna1 T C 6: 89,297,998 (GRCm39) D1760G probably damaging Het
Polq T A 16: 36,862,540 (GRCm39) D345E probably damaging Het
Ppp1r14a T A 7: 28,988,926 (GRCm39) I56N probably damaging Het
Ppp1r1a G A 15: 103,441,477 (GRCm39) P79S probably damaging Het
Ptprf C T 4: 118,082,305 (GRCm39) R1010H probably benign Het
Rai1 A G 11: 60,081,423 (GRCm39) E1829G probably damaging Het
Rmdn3 A G 2: 118,986,935 (GRCm39) Y31H probably damaging Het
Rrh T C 3: 129,609,280 (GRCm39) S69G probably damaging Het
Skint6 A T 4: 112,752,121 (GRCm39) probably null Het
Slc22a27 C G 19: 7,843,303 (GRCm39) A359P probably damaging Het
Sltm T G 9: 70,486,685 (GRCm39) L450R probably damaging Het
Sufu T C 19: 46,439,404 (GRCm39) probably null Het
Tmem68 T C 4: 3,560,561 (GRCm39) T208A possibly damaging Het
Tnc T A 4: 63,911,534 (GRCm39) R1346* probably null Het
Tpbg T C 9: 85,726,478 (GRCm39) L149P probably damaging Het
Trappc14 C T 5: 138,260,502 (GRCm39) S308N probably benign Het
Ubtf G A 11: 102,198,816 (GRCm39) Q585* probably null Het
Vmn2r68 A T 7: 84,871,085 (GRCm39) C733S probably damaging Het
Vmn2r-ps158 T A 7: 42,672,684 (GRCm39) H106Q probably benign Het
Wscd1 G T 11: 71,659,501 (GRCm39) G194W possibly damaging Het
Zfp354b A C 11: 50,813,917 (GRCm39) I336S probably benign Het
Zfp462 T A 4: 55,016,887 (GRCm39) V870E possibly damaging Het
Other mutations in Mesp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00904:Mesp2 APN 7 79,462,401 (GRCm39) missense probably benign
IGL02672:Mesp2 APN 7 79,461,145 (GRCm39) missense probably benign 0.01
IGL02707:Mesp2 APN 7 79,461,274 (GRCm39) missense probably benign 0.29
R1581:Mesp2 UTSW 7 79,462,289 (GRCm39) missense possibly damaging 0.48
R1614:Mesp2 UTSW 7 79,461,367 (GRCm39) missense probably benign 0.00
R3716:Mesp2 UTSW 7 79,462,542 (GRCm39) missense possibly damaging 0.96
R5131:Mesp2 UTSW 7 79,461,475 (GRCm39) missense possibly damaging 0.83
R5551:Mesp2 UTSW 7 79,461,367 (GRCm39) missense probably benign 0.00
R7599:Mesp2 UTSW 7 79,460,717 (GRCm39) missense probably damaging 0.98
R9480:Mesp2 UTSW 7 79,461,034 (GRCm39) missense probably damaging 0.97
R9772:Mesp2 UTSW 7 79,461,348 (GRCm39) missense possibly damaging 0.95
Predicted Primers PCR Primer
(F):5'- ACCTTGGGAACAGGATCTCC -3'
(R):5'- CAGTGGCTATAACTTCCCGG -3'

Sequencing Primer
(F):5'- TTGGGAACAGGATCTCCAACGTG -3'
(R):5'- CTTCTCCTACAGGTGTAAATAAGGC -3'
Posted On 2016-07-22