Incidental Mutation 'R4004:Ctbp2'
ID 311393
Institutional Source Beutler Lab
Gene Symbol Ctbp2
Ensembl Gene ENSMUSG00000030970
Gene Name C-terminal binding protein 2
Synonyms Ribeye, D7Ertd45e, Gtrgeo6
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4004 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 132589292-132726083 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 132593502 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 733 (R733L)
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: R190L

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000033269
Gene: ENSMUSG00000030970
AA Change: R190L

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: R165L

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000127448
Gene: ENSMUSG00000030970
AA Change: R165L

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: R173L

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000132892
Gene: ENSMUSG00000030970
AA Change: R173L

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: R733L

PolyPhen 2 Score 0.315 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000130294
Gene: ENSMUSG00000030970
AA Change: R733L

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: 99.2%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
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: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acan A C 7: 78,750,435 (GRCm39) E1735D probably damaging Het
Ano2 A G 6: 125,990,242 (GRCm39) R788G probably damaging Het
Atg9a T C 1: 75,163,095 (GRCm39) Y335C probably damaging Het
Capn10 T A 1: 92,868,313 (GRCm39) L260Q probably damaging Het
Cblif T G 19: 11,736,371 (GRCm39) V314G probably damaging Het
Ces1d A T 8: 93,904,720 (GRCm39) F340Y probably benign Het
Cspg4b A G 13: 113,454,914 (GRCm39) Q320R probably benign Het
Dgkd T C 1: 87,863,145 (GRCm39) I64T possibly damaging Het
Dmxl2 T C 9: 54,353,674 (GRCm39) I765V probably benign Het
Dync2h1 C A 9: 7,117,404 (GRCm39) C62F probably damaging Het
F2 T C 2: 91,458,741 (GRCm39) N523S possibly damaging Het
Fat3 G A 9: 15,909,567 (GRCm39) S2145F probably damaging Het
Fcgr1 A G 3: 96,191,668 (GRCm39) V380A probably benign Het
Herc2 C A 7: 55,756,213 (GRCm39) P751Q possibly damaging Het
Ikzf3 C T 11: 98,379,843 (GRCm39) E142K probably damaging Het
Kctd3 A G 1: 188,724,940 (GRCm39) S214P probably benign Het
Lrpap1 T A 5: 35,262,888 (GRCm39) K50* probably null Het
Naa11 A T 5: 97,539,652 (GRCm39) Y169N probably benign Het
Nup42 T C 5: 24,387,434 (GRCm39) I408T probably damaging Het
Or1af1 A T 2: 37,109,960 (GRCm39) H153L probably benign Het
Or2t35 C T 14: 14,408,152 (GRCm38) A308V probably benign Het
Plxnc1 G A 10: 94,630,459 (GRCm39) Q1512* probably null Het
Ptpn14 A G 1: 189,582,707 (GRCm39) N518S probably benign Het
Rapgef5 A G 12: 117,712,132 (GRCm39) I740V probably damaging Het
Ric1 C T 19: 29,557,201 (GRCm39) R429C probably benign Het
Rpn2 T C 2: 157,159,928 (GRCm39) L548P probably damaging Het
Ryr3 C G 2: 112,506,218 (GRCm39) R3443P probably damaging Het
Slc28a1 T C 7: 80,818,786 (GRCm39) S580P probably damaging Het
Slco6c1 A G 1: 97,003,610 (GRCm39) Y496H probably damaging Het
Spag5 T C 11: 78,212,355 (GRCm39) M1101T probably benign Het
Utp11 A T 4: 124,576,230 (GRCm39) F138I probably damaging Het
Vcp G A 4: 42,983,028 (GRCm39) T606I probably damaging Het
Zfhx4 C T 3: 5,468,418 (GRCm39) P2859S probably benign Het
Zfp316 A G 5: 143,240,874 (GRCm39) S382P 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
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
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'- ACCTGCTTGATAGTGAAGTCATTGATG -3'
(R):5'- GGTACCTGCACTTACACGTAC -3'

Sequencing Primer
(F):5'- ATAGTGAAGTCATTGATGAGGTGATG -3'
(R):5'- TGCACTTACACGTACAAATATAAAGC -3'
Posted On 2015-04-29