Incidental Mutation 'R8018:Ctbp2'
ID 617219
Institutional Source Beutler Lab
Gene Symbol Ctbp2
Ensembl Gene ENSMUSG00000030970
Gene Name C-terminal binding protein 2
Synonyms Ribeye, D7Ertd45e, Gtrgeo6
MMRRC Submission 067458-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8018 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 132589292-132726083 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 132616095 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Arginine at position 280 (K280R)
Ref Sequence ENSEMBL: ENSMUSP00000130294 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033269] [ENSMUST00000124096] [ENSMUST00000163601] [ENSMUST00000165457] [ENSMUST00000166439] [ENSMUST00000167218] [ENSMUST00000168958] [ENSMUST00000169570] [ENSMUST00000170459] [ENSMUST00000172341]
AlphaFold P56546
Predicted Effect probably benign
Transcript: ENSMUST00000033269
SMART Domains Protein: ENSMUSP00000033269
Gene: ENSMUSG00000030970

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 36 358 2.9e-31 PFAM
Pfam:2-Hacid_dh_C 139 323 1.7e-57 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000124096
SMART Domains Protein: ENSMUSP00000130971
Gene: ENSMUSG00000030849

DomainStartEndE-ValueType
Pfam:Pkinase 1 118 4.8e-19 PFAM
Pfam:Pkinase_Tyr 1 118 1.7e-50 PFAM
low complexity region 146 160 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000163601
Predicted Effect probably benign
Transcript: ENSMUST00000165457
Predicted Effect probably benign
Transcript: ENSMUST00000166439
SMART Domains Protein: ENSMUSP00000127448
Gene: ENSMUSG00000030970

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 11 333 2.4e-31 PFAM
Pfam:2-Hacid_dh_C 114 298 1.5e-57 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000167218
Predicted Effect probably benign
Transcript: ENSMUST00000168958
SMART Domains Protein: ENSMUSP00000132892
Gene: ENSMUSG00000030970

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 19 164 6.3e-27 PFAM
Pfam:2-Hacid_dh_C 122 188 8.5e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000169570
AA Change: K280R

PolyPhen 2 Score 0.385 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000130294
Gene: ENSMUSG00000030970
AA Change: K280R

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 579 901 2.8e-31 PFAM
Pfam:2-Hacid_dh_C 682 866 5.6e-57 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000170459
Predicted Effect probably benign
Transcript: ENSMUST00000172341
SMART Domains Protein: ENSMUSP00000127701
Gene: ENSMUSG00000030970

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 36 177 5.6e-27 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
Validation Efficiency 98% (45/46)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene produces alternative transcripts encoding two distinct proteins. One protein is a transcriptional repressor, while the other isoform is a major component of specialized synapses known as synaptic ribbons. Both proteins contain a NAD+ binding domain similar to NAD+-dependent 2-hydroxyacid dehydrogenases. A portion of the 3' untranslated region was used to map this gene to chromosome 21q21.3; however, it was noted that similar loci elsewhere in the genome are likely. Blast analysis shows that this gene is present on chromosome 10. Several transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Feb 2014]
PHENOTYPE: Embryos homozygous for a gene-trapped allele die by E10 exhibiting a small size, axial truncations, a thin neural epithelium, a dilated pericardium, delayed fore- and midbrain development, and defects in heart morphogenesis, placental development and extraembryonic vascularization. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930563M21Rik G A 9: 55,880,991 (GRCm39) T146I unknown Het
Abca16 A G 7: 120,132,866 (GRCm39) E1265G probably benign Het
Adar T C 3: 89,654,882 (GRCm39) S924P probably damaging Het
Adgrv1 A T 13: 81,588,344 (GRCm39) V4414E possibly damaging Het
AI429214 A T 8: 37,460,820 (GRCm39) probably benign Het
Ankmy1 A T 1: 92,814,003 (GRCm39) L392Q probably benign Het
Anxa3 A T 5: 96,968,288 (GRCm39) I114F probably damaging Het
Ccdc158 T C 5: 92,771,260 (GRCm39) D985G possibly damaging Het
Cndp2 C T 18: 84,686,727 (GRCm39) V432I probably benign Het
Dao AGG AG 5: 114,153,270 (GRCm39) probably benign Het
Dnaaf4 T A 9: 72,879,598 (GRCm39) probably benign Het
Dynap T C 18: 70,375,093 (GRCm39) T41A possibly damaging Het
Elfn2 A G 15: 78,557,968 (GRCm39) L193P probably damaging Het
Fcrl2 A T 3: 87,166,933 (GRCm39) L20* probably null Het
Flcn T C 11: 59,684,948 (GRCm39) D501G probably damaging Het
Gmip A G 8: 70,268,143 (GRCm39) E399G probably benign Het
Grm7 A G 6: 111,184,737 (GRCm39) E356G probably benign Het
Hs3st2 A G 7: 121,099,639 (GRCm39) probably null Het
Kcnh2 G A 5: 24,525,014 (GRCm39) S1158L probably damaging Het
Lancl2 A G 6: 57,690,078 (GRCm39) T104A probably damaging Het
Ldlrad4 G T 18: 68,368,740 (GRCm39) A66S possibly damaging Het
Mthfd2l T A 5: 91,107,672 (GRCm39) I178N probably damaging Het
Nbeal2 G T 9: 110,458,225 (GRCm39) probably benign Het
Niban1 A T 1: 151,593,006 (GRCm39) K564* probably null Het
Nipal3 C T 4: 135,174,659 (GRCm39) R364H possibly damaging Het
Or2b4 A G 17: 38,116,038 (GRCm39) M1V probably null Het
Oxa1l A G 14: 54,600,757 (GRCm39) I77V not run Het
Phf10 T A 17: 15,174,378 (GRCm39) Q233H possibly damaging Het
Pias2 T A 18: 77,216,654 (GRCm39) N288K probably benign Het
Pramel43 T C 5: 94,761,839 (GRCm39) N244S probably benign Het
Prm3 CTCTTCTTCTTCTTC CTCTTCTTCTTC 16: 10,608,565 (GRCm39) probably benign Het
Ptprd T C 4: 76,003,757 (GRCm39) T1010A probably damaging Het
Ralgapa2 T C 2: 146,182,311 (GRCm39) D1676G probably damaging Het
Rapgefl1 T G 11: 98,731,166 (GRCm39) probably null Het
Rrp7a C T 15: 83,001,125 (GRCm39) E269K possibly damaging Het
Ryr3 A C 2: 112,508,777 (GRCm39) M3399R probably damaging Het
Secisbp2l C A 2: 125,587,829 (GRCm39) R762L probably damaging Het
Smad7 T G 18: 75,502,355 (GRCm39) L110R possibly damaging Het
St6gal1 G A 16: 23,176,585 (GRCm39) A393T probably benign Het
Tcea3 T G 4: 135,985,229 (GRCm39) probably benign Het
Tdrd9 T C 12: 111,999,180 (GRCm39) V765A probably benign Het
Tdrd9 C T 12: 112,010,822 (GRCm39) R1130W probably damaging Het
Tia1 C T 6: 86,402,034 (GRCm39) P189S probably benign Het
Tubg1 G T 11: 101,014,854 (GRCm39) A199S probably benign Het
Ubxn8 A G 8: 34,113,243 (GRCm39) C204R probably damaging Het
Vmn1r76 A G 7: 11,664,810 (GRCm39) S135P probably damaging Het
Vps18 T A 2: 119,124,492 (GRCm39) L473H probably damaging Het
Zfp444 A G 7: 6,191,142 (GRCm39) T108A probably benign Het
Other mutations in Ctbp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02143:Ctbp2 APN 7 132,592,885 (GRCm39) missense probably damaging 0.98
IGL02615:Ctbp2 APN 7 132,597,076 (GRCm39) missense probably benign 0.34
IGL02626:Ctbp2 APN 7 132,600,940 (GRCm39) missense probably benign 0.12
PIT4802001:Ctbp2 UTSW 7 132,589,974 (GRCm39) missense possibly damaging 0.77
R0068:Ctbp2 UTSW 7 132,591,788 (GRCm39) missense possibly damaging 0.95
R0374:Ctbp2 UTSW 7 132,601,073 (GRCm39) missense possibly damaging 0.89
R0566:Ctbp2 UTSW 7 132,592,876 (GRCm39) missense probably damaging 1.00
R0571:Ctbp2 UTSW 7 132,616,534 (GRCm39) missense probably damaging 1.00
R1247:Ctbp2 UTSW 7 132,596,918 (GRCm39) missense probably benign 0.24
R1292:Ctbp2 UTSW 7 132,616,918 (GRCm39) missense probably damaging 1.00
R1477:Ctbp2 UTSW 7 132,600,670 (GRCm39) missense probably damaging 1.00
R1732:Ctbp2 UTSW 7 132,600,653 (GRCm39) missense possibly damaging 0.80
R1807:Ctbp2 UTSW 7 132,616,137 (GRCm39) missense probably benign 0.00
R1865:Ctbp2 UTSW 7 132,592,283 (GRCm39) missense probably benign 0.02
R1951:Ctbp2 UTSW 7 132,616,756 (GRCm39) missense probably benign
R2393:Ctbp2 UTSW 7 132,625,290 (GRCm39) critical splice donor site probably null
R2410:Ctbp2 UTSW 7 132,616,083 (GRCm39) missense probably benign 0.08
R3427:Ctbp2 UTSW 7 132,593,321 (GRCm39) missense probably damaging 1.00
R4004:Ctbp2 UTSW 7 132,593,502 (GRCm39) missense probably benign 0.31
R4243:Ctbp2 UTSW 7 132,600,583 (GRCm39) missense probably benign 0.43
R4754:Ctbp2 UTSW 7 132,625,287 (GRCm39) splice site probably null
R4820:Ctbp2 UTSW 7 132,615,423 (GRCm39) missense probably damaging 0.98
R4947:Ctbp2 UTSW 7 132,601,012 (GRCm39) missense probably damaging 1.00
R4960:Ctbp2 UTSW 7 132,615,967 (GRCm39) missense probably benign 0.00
R4999:Ctbp2 UTSW 7 132,616,378 (GRCm39) missense possibly damaging 0.62
R5340:Ctbp2 UTSW 7 132,615,692 (GRCm39) missense probably benign 0.43
R5593:Ctbp2 UTSW 7 132,600,598 (GRCm39) missense possibly damaging 0.95
R5762:Ctbp2 UTSW 7 132,597,088 (GRCm39) missense probably damaging 1.00
R6913:Ctbp2 UTSW 7 132,616,455 (GRCm39) missense possibly damaging 0.94
R7044:Ctbp2 UTSW 7 132,616,831 (GRCm39) missense possibly damaging 0.71
R7342:Ctbp2 UTSW 7 132,616,041 (GRCm39) missense probably damaging 0.99
R7358:Ctbp2 UTSW 7 132,600,610 (GRCm39) missense probably damaging 1.00
R7376:Ctbp2 UTSW 7 132,615,697 (GRCm39) missense possibly damaging 0.93
R7393:Ctbp2 UTSW 7 132,590,021 (GRCm39) missense probably benign 0.17
R7678:Ctbp2 UTSW 7 132,616,353 (GRCm39) missense probably benign
R7709:Ctbp2 UTSW 7 132,591,789 (GRCm39) missense probably benign
R7900:Ctbp2 UTSW 7 132,616,328 (GRCm39) missense probably benign
R9185:Ctbp2 UTSW 7 132,615,712 (GRCm39) missense probably damaging 0.97
R9258:Ctbp2 UTSW 7 132,597,021 (GRCm39) missense probably damaging 1.00
R9294:Ctbp2 UTSW 7 132,615,961 (GRCm39) missense probably damaging 0.96
R9326:Ctbp2 UTSW 7 132,616,359 (GRCm39) missense probably benign
R9385:Ctbp2 UTSW 7 132,601,069 (GRCm39) missense probably benign 0.14
R9576:Ctbp2 UTSW 7 132,616,198 (GRCm39) missense probably benign 0.00
R9652:Ctbp2 UTSW 7 132,615,933 (GRCm39) missense probably damaging 1.00
R9653:Ctbp2 UTSW 7 132,615,933 (GRCm39) missense probably damaging 1.00
Z1176:Ctbp2 UTSW 7 132,617,019 (GRCm39) intron probably benign
Predicted Primers PCR Primer
(F):5'- AAACTGCATCTCTGTCCTGC -3'
(R):5'- AGACCTGTTGACTCAACCCC -3'

Sequencing Primer
(F):5'- TGGCTAGGCGGCTTAGGAC -3'
(R):5'- AGACAGGTGGCCCCAACATG -3'
Posted On 2020-01-23