Incidental Mutation 'R5854:Nelfb'
ID 454803
Institutional Source Beutler Lab
Gene Symbol Nelfb
Ensembl Gene ENSMUSG00000013465
Gene Name negative elongation factor complex member B
Synonyms A730008L03Rik, Cobra1
MMRRC Submission 043228-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5854 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 25089724-25101501 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 25100005 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 204 (N204S)
Ref Sequence ENSEMBL: ENSMUSP00000057731 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000043774] [ENSMUST00000059849] [ENSMUST00000114363]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000043774
SMART Domains Protein: ENSMUSP00000037603
Gene: ENSMUSG00000036770

DomainStartEndE-ValueType
Pfam:SHIPPO-rpt 103 145 9.5e-4 PFAM
Pfam:SHIPPO-rpt 226 255 1.4e-3 PFAM
Pfam:SHIPPO-rpt 265 291 1.4e-3 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000059849
AA Change: N204S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000057731
Gene: ENSMUSG00000013465
AA Change: N204S

DomainStartEndE-ValueType
Pfam:COBRA1 107 578 3.5e-248 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000082985
Predicted Effect probably benign
Transcript: ENSMUST00000114363
SMART Domains Protein: ENSMUSP00000110003
Gene: ENSMUSG00000036770

DomainStartEndE-ValueType
Pfam:SHIPPO-rpt 48 79 2.8e-4 PFAM
Pfam:SHIPPO-rpt 110 136 1.2e-1 PFAM
Pfam:SHIPPO-rpt 152 200 3.5e-1 PFAM
Pfam:SHIPPO-rpt 210 248 1.9e-3 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124661
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128876
Predicted Effect noncoding transcript
Transcript: ENSMUST00000138199
Predicted Effect noncoding transcript
Transcript: ENSMUST00000147890
Predicted Effect noncoding transcript
Transcript: ENSMUST00000205741
AA Change: N153S
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155706
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149509
Predicted Effect probably benign
Transcript: ENSMUST00000140934
SMART Domains Protein: ENSMUSP00000115698
Gene: ENSMUSG00000013465

DomainStartEndE-ValueType
Pfam:COBRA1 40 204 9.7e-106 PFAM
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.4%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes subunit B of a metazoan-specific, four-subunit protein complex that regulates promoter-proximal pausing of RNA polymerase II. RNA polymerase II pausing is thought to be important for coordination of gene transcription during embryonic development and stress responses. Consistently, disruption of this gene in mouse causes inner cell mass deficiency and embryonic lethality. In addition, this gene is required for maintenance of mouse embryonic stem cells by preventing expression of developmental genes. In adult mice, conditional deletion of this gene results in cardiomyopathy and impaired response to cardiac stress. Multiple protein isoforms are encoded through the use of a non-AUG (CUG) initiation codon and an alternative downstream AUG initiation codon. In addition, alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2015]
PHENOTYPE: Mice homozygous for a knock-out allele fail to develop inner cell masses and die between E5 and E13.5. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930553M12Rik T C 4: 88,786,596 (GRCm39) I7M unknown Het
Abca8b C A 11: 109,868,639 (GRCm39) G175V probably damaging Het
Atg4c G A 4: 99,116,796 (GRCm39) V313I probably benign Het
Ccdc18 A G 5: 108,354,594 (GRCm39) E1111G possibly damaging Het
Chuk T C 19: 44,070,396 (GRCm39) H573R probably benign Het
Cst13 A G 2: 148,670,094 (GRCm39) N88S probably benign Het
Dalrd3 T C 9: 108,447,276 (GRCm39) probably null Het
Dnah8 T A 17: 31,013,737 (GRCm39) M3826K possibly damaging Het
Dsp A G 13: 38,351,477 (GRCm39) probably null Het
Fbxo41 A G 6: 85,452,076 (GRCm39) L810P probably damaging Het
Fcrlb T C 1: 170,735,530 (GRCm39) Y248C probably damaging Het
Gmcl1 A G 6: 86,691,241 (GRCm39) silent Het
Gtf3c3 C A 1: 54,458,596 (GRCm39) A442S probably benign Het
Hdac4 T C 1: 91,887,143 (GRCm39) S799G probably damaging Het
Hnrnpa2b1 C G 6: 51,443,589 (GRCm39) probably benign Het
Hnrnpab T C 11: 51,495,508 (GRCm39) E177G probably damaging Het
Knl1 A G 2: 118,900,884 (GRCm39) I862V probably benign Het
Lonp2 T A 8: 87,399,699 (GRCm39) probably null Het
Map3k19 G T 1: 127,758,092 (GRCm39) P363T probably damaging Het
Morn3 A G 5: 123,179,178 (GRCm39) Y91H probably damaging Het
Myom2 A G 8: 15,158,478 (GRCm39) D810G probably benign Het
Nans A G 4: 46,500,180 (GRCm39) Y188C probably damaging Het
Ndufs1 A T 1: 63,186,548 (GRCm39) D1E probably benign Het
Noxo1 T C 17: 24,917,516 (GRCm39) S31P probably damaging Het
Or13a20 A G 7: 140,232,491 (GRCm39) M200V probably benign Het
Or5af1 T A 11: 58,722,382 (GRCm39) M134K probably damaging Het
Or8b50 T C 9: 38,517,959 (GRCm39) L66S probably damaging Het
Pkd1l2 T G 8: 117,792,485 (GRCm39) T436P possibly damaging Het
Pkhd1l1 A G 15: 44,445,186 (GRCm39) D3686G probably damaging Het
Ppp2r5b A G 19: 6,280,974 (GRCm39) L285S probably damaging Het
Pzp A T 6: 128,483,832 (GRCm39) V522D probably benign Het
Rictor G A 15: 6,823,487 (GRCm39) E1555K probably benign Het
Rpe65 A G 3: 159,321,313 (GRCm39) D375G probably benign Het
Sacs C T 14: 61,448,996 (GRCm39) L3681F probably damaging Het
Sft2d1 C T 17: 8,539,485 (GRCm39) T96I probably damaging Het
Slc12a7 A G 13: 73,942,059 (GRCm39) N312D probably benign Het
Spaca6 A T 17: 18,051,509 (GRCm39) K82* probably null Het
Stk32c A G 7: 138,768,195 (GRCm39) probably benign Het
Tet2 T A 3: 133,193,646 (GRCm39) N263Y probably damaging Het
Uxs1 T C 1: 43,819,233 (GRCm39) N190S probably damaging Het
Zfp703 C T 8: 27,469,233 (GRCm39) P299L probably damaging Het
Other mutations in Nelfb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00547:Nelfb APN 2 25,094,300 (GRCm39) missense possibly damaging 0.94
IGL01573:Nelfb APN 2 25,093,969 (GRCm39) missense probably damaging 1.00
IGL03109:Nelfb APN 2 25,091,073 (GRCm39) missense possibly damaging 0.95
IGL03255:Nelfb APN 2 25,093,207 (GRCm39) missense probably benign 0.21
R0541:Nelfb UTSW 2 25,093,992 (GRCm39) missense probably benign 0.01
R2046:Nelfb UTSW 2 25,096,323 (GRCm39) missense probably damaging 0.97
R4832:Nelfb UTSW 2 25,099,981 (GRCm39) missense probably damaging 1.00
R4995:Nelfb UTSW 2 25,096,208 (GRCm39) missense probably benign 0.01
R5299:Nelfb UTSW 2 25,100,757 (GRCm39) missense probably benign 0.20
R5663:Nelfb UTSW 2 25,093,501 (GRCm39) missense probably benign 0.01
R5987:Nelfb UTSW 2 25,093,900 (GRCm39) missense probably damaging 1.00
R6747:Nelfb UTSW 2 25,093,393 (GRCm39) missense probably benign 0.09
R7025:Nelfb UTSW 2 25,100,505 (GRCm39) missense probably damaging 1.00
R8118:Nelfb UTSW 2 25,095,171 (GRCm39) missense possibly damaging 0.95
R8966:Nelfb UTSW 2 25,090,751 (GRCm39) missense probably damaging 1.00
R9001:Nelfb UTSW 2 25,096,287 (GRCm39) missense probably damaging 1.00
R9085:Nelfb UTSW 2 25,094,292 (GRCm39) missense probably damaging 1.00
R9373:Nelfb UTSW 2 25,095,218 (GRCm39) missense probably damaging 0.99
R9786:Nelfb UTSW 2 25,095,145 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTAAGAGCTACACCCAGGGAAG -3'
(R):5'- CATCACAGTCTGGGCTCTGTAG -3'

Sequencing Primer
(F):5'- CTACACCCAGGGAAGAGGCATG -3'
(R):5'- TCTGTGGGCAGCTGAGGC -3'
Posted On 2017-02-10