Incidental Mutation 'R1744:Lbx1'
ID 200611
Institutional Source Beutler Lab
Gene Symbol Lbx1
Ensembl Gene ENSMUSG00000025216
Gene Name ladybird homeobox 1
Synonyms Lbx1h
MMRRC Submission 039776-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.876) question?
Stock # R1744 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 45221123-45224251 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 45222652 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 124 (K124E)
Ref Sequence ENSEMBL: ENSMUSP00000096997 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099401]
AlphaFold P52955
Predicted Effect probably damaging
Transcript: ENSMUST00000099401
AA Change: K124E

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000096997
Gene: ENSMUSG00000025216
AA Change: K124E

DomainStartEndE-ValueType
low complexity region 56 79 N/A INTRINSIC
HOX 125 187 4.93e-26 SMART
low complexity region 219 227 N/A INTRINSIC
low complexity region 233 259 N/A INTRINSIC
low complexity region 271 282 N/A INTRINSIC
Meta Mutation Damage Score 0.1242 question?
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.8%
  • 10x: 95.1%
  • 20x: 91.8%
Validation Efficiency 98% (59/60)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene and the orthologous mouse gene were found by their homology to the Drosophila lady bird early and late homeobox genes. In the mouse, this gene is a key regulator of muscle precursor cell migration and is required for the acquisition of dorsal identities of forelimb muscles. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mice display impaired limb muscle development resulting from progenitor cell migration defects. Defects in heart development and nervous system morphology are also reported. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrl3 A G 5: 81,942,267 (GRCm39) E1247G probably damaging Het
Bcl2l15 T A 3: 103,745,856 (GRCm39) L165Q probably damaging Het
Cd163 C A 6: 124,283,987 (GRCm39) A53E possibly damaging Het
Cemip2 C A 19: 21,809,501 (GRCm39) Y960* probably null Het
Ces4a G A 8: 105,864,729 (GRCm39) G69S probably damaging Het
Clca3a1 G T 3: 144,452,596 (GRCm39) A629D probably damaging Het
Csde1 T A 3: 102,957,631 (GRCm39) S463R probably benign Het
Cth C G 3: 157,611,905 (GRCm39) R304P probably damaging Het
D7Ertd443e A G 7: 133,951,142 (GRCm39) V177A probably benign Het
Ddx56 G A 11: 6,216,396 (GRCm39) R189W probably damaging Het
Dennd2a A T 6: 39,457,185 (GRCm39) F752L probably benign Het
Gabrp A T 11: 33,522,462 (GRCm39) V28E probably benign Het
Gpam T C 19: 55,063,023 (GRCm39) E763G probably damaging Het
Hars1 G A 18: 36,903,885 (GRCm39) R266C probably benign Het
Klf7 C A 1: 64,118,372 (GRCm39) R75L possibly damaging Het
Kmt2d T C 15: 98,762,928 (GRCm39) K281E probably damaging Het
Lcp2 T C 11: 34,019,911 (GRCm39) probably null Het
Mab21l2 T C 3: 86,454,211 (GRCm39) E263G possibly damaging Het
Macf1 A T 4: 123,369,646 (GRCm39) I140K probably damaging Het
Mcemp1 G A 8: 3,716,054 (GRCm39) A20T probably damaging Het
Met T C 6: 17,540,645 (GRCm39) V137A possibly damaging Het
Mgat5 T C 1: 127,407,206 (GRCm39) F624S probably damaging Het
Nutm2 T C 13: 50,623,390 (GRCm39) I29T probably benign Het
Ociad1 T C 5: 73,458,062 (GRCm39) probably null Het
Ogfod2 G A 5: 124,252,219 (GRCm39) probably null Het
Or6c69 A C 10: 129,747,262 (GRCm39) V295G probably damaging Het
Or8g4 A C 9: 39,661,711 (GRCm39) T10P probably benign Het
Otoa G A 7: 120,726,999 (GRCm39) probably benign Het
Otud3 A C 4: 138,623,059 (GRCm39) L394R probably damaging Het
Pde5a T C 3: 122,541,546 (GRCm39) V12A probably damaging Het
Plec C T 15: 76,070,418 (GRCm39) V931M probably damaging Het
Prr27 A G 5: 87,990,906 (GRCm39) I173V possibly damaging Het
Psg29 T C 7: 16,944,278 (GRCm39) C263R probably damaging Het
Ptprm T C 17: 66,996,361 (GRCm39) Y1242C probably damaging Het
Retsat C T 6: 72,583,558 (GRCm39) R84* probably null Het
Rif1 G A 2: 52,002,404 (GRCm39) V1953I possibly damaging Het
Ros1 A T 10: 51,999,475 (GRCm39) N1137K probably damaging Het
Scn1a T C 2: 66,152,620 (GRCm39) H787R probably benign Het
Sec16a T C 2: 26,329,198 (GRCm39) E939G probably damaging Het
Sh2d4a G A 8: 68,783,807 (GRCm39) G247D possibly damaging Het
Siglec1 A G 2: 130,923,219 (GRCm39) S509P probably damaging Het
Slc25a30 A G 14: 76,000,770 (GRCm39) I278T probably damaging Het
Slc6a20a C T 9: 123,492,058 (GRCm39) V104I probably benign Het
Sp110 G C 1: 85,522,093 (GRCm39) T70S probably benign Het
Sphkap G A 1: 83,255,236 (GRCm39) R838* probably null Het
Stxbp1 A G 2: 32,696,731 (GRCm39) probably null Het
Tmem132b T C 5: 125,855,908 (GRCm39) probably null Het
Tnfsf13b G A 8: 10,081,661 (GRCm39) probably null Het
Trappc6a A G 7: 19,248,154 (GRCm39) E38G probably damaging Het
Trps1 T C 15: 50,524,609 (GRCm39) D857G probably damaging Het
Tspear T A 10: 77,700,718 (GRCm39) probably null Het
Vmn1r23 A T 6: 57,902,910 (GRCm39) N289K possibly damaging Het
Zcchc8 G A 5: 123,838,436 (GRCm39) Q701* probably null Het
Zfp618 A T 4: 63,004,871 (GRCm39) probably benign Het
Other mutations in Lbx1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01396:Lbx1 APN 19 45,222,670 (GRCm39) missense probably benign 0.09
IGL01746:Lbx1 APN 19 45,222,214 (GRCm39) missense possibly damaging 0.85
IGL01917:Lbx1 APN 19 45,222,652 (GRCm39) nonsense probably null
purgatory UTSW 19 45,223,390 (GRCm39) missense probably damaging 1.00
R4276:Lbx1 UTSW 19 45,223,528 (GRCm39) missense probably benign 0.02
R5599:Lbx1 UTSW 19 45,223,519 (GRCm39) missense probably damaging 1.00
R6869:Lbx1 UTSW 19 45,223,390 (GRCm39) missense probably damaging 1.00
R7570:Lbx1 UTSW 19 45,223,687 (GRCm39) start gained probably benign
R8218:Lbx1 UTSW 19 45,223,359 (GRCm39) missense probably benign 0.24
R8445:Lbx1 UTSW 19 45,222,651 (GRCm39) missense probably damaging 1.00
R8865:Lbx1 UTSW 19 45,223,605 (GRCm39) missense probably benign 0.36
Predicted Primers PCR Primer
(F):5'- TCTGGAACCAGGTGATGACCTGTG -3'
(R):5'- TGATCTGAGAGAGGTGTGAGAACCC -3'

Sequencing Primer
(F):5'- ACCTGTGCATTGGTGAGGC -3'
(R):5'- TTTCAGACCAACTGTTAGGGAGC -3'
Posted On 2014-05-23