Incidental Mutation 'R1247:Ctbp2'
ID 152168
Institutional Source Beutler Lab
Gene Symbol Ctbp2
Ensembl Gene ENSMUSG00000030970
Gene Name C-terminal binding protein 2
Synonyms Ribeye, D7Ertd45e, Gtrgeo6
MMRRC Submission 039314-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1247 (G1)
Quality Score 115
Status Not validated
Chromosome 7
Chromosomal Location 132589292-132726083 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to C at 132596918 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glycine at position 722 (R722G)
Ref Sequence ENSEMBL: ENSMUSP00000130294 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033269] [ENSMUST00000124096] [ENSMUST00000165457] [ENSMUST00000166439] [ENSMUST00000168958] [ENSMUST00000169570] [ENSMUST00000172341]
AlphaFold P56546
Predicted Effect probably benign
Transcript: ENSMUST00000033269
AA Change: R179G

PolyPhen 2 Score 0.086 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000033269
Gene: ENSMUSG00000030970
AA Change: R179G

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: ENSMUST00000165457
Predicted Effect probably benign
Transcript: ENSMUST00000166439
AA Change: R154G

PolyPhen 2 Score 0.144 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000127448
Gene: ENSMUSG00000030970
AA Change: R154G

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: ENSMUST00000168958
AA Change: R162G

PolyPhen 2 Score 0.011 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000132892
Gene: ENSMUSG00000030970
AA Change: R162G

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: R722G

PolyPhen 2 Score 0.243 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000130294
Gene: ENSMUSG00000030970
AA Change: R722G

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: ENSMUST00000172341
SMART Domains Protein: ENSMUSP00000127701
Gene: ENSMUSG00000030970

DomainStartEndE-ValueType
Pfam:2-Hacid_dh 36 177 5.6e-27 PFAM
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.3%
  • 10x: 96.3%
  • 20x: 92.5%
Validation Efficiency
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: 11 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930527J03Rik ACCC ACC 1: 178,276,503 (GRCm38) noncoding transcript Het
Brca2 C A 5: 150,464,739 (GRCm39) A1501D probably damaging Het
Cyp3a44 A G 5: 145,728,477 (GRCm39) F249S probably damaging Het
Huwe1 G C X: 150,684,566 (GRCm39) S2199T probably benign Het
Pds5b CATTTATTTATTTATTTATTTATTTATTTATTTATTTAT CATTTATTTATTTATTTATTTATTTATTTATTTATTTATTTAT 5: 150,698,819 (GRCm39) probably benign Het
Samd4 AGG AG 14: 47,301,785 (GRCm39) probably benign Het
Samd4 G GAAA 14: 47,325,215 (GRCm39) probably benign Het
Slc35e1 T C 8: 73,246,415 (GRCm39) probably benign Het
Sox15 T C 11: 69,547,320 (GRCm39) F190S probably benign Het
Syne2 G A 12: 76,014,264 (GRCm39) A3153T probably benign Het
Tbr1 C T 2: 61,641,962 (GRCm39) P409L possibly damaging 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
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
R8018:Ctbp2 UTSW 7 132,616,095 (GRCm39) missense probably benign 0.38
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'- CTGCATTCAGTAGCCTTCAGGACC -3'
(R):5'- TCGCTGTGTGCAACATCCCATC -3'

Sequencing Primer
(F):5'- GGCCCAGGTTGCTATACAAAC -3'
(R):5'- GTGCAACATCCCATCTGCTG -3'
Posted On 2014-01-29