Incidental Mutation 'R6885:Pitx2'
ID 536772
Institutional Source Beutler Lab
Gene Symbol Pitx2
Ensembl Gene ENSMUSG00000028023
Gene Name paired-like homeodomain transcription factor 2
Synonyms solurshin, Brx1, Pitx2c, Otlx2, Munc30, Ptx2, Pitx2a, Brx1b, Brx1a, Rieg, Pitx2b
MMRRC Submission 045031-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6885 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 128993527-129013240 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 129012257 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 222 (M222T)
Ref Sequence ENSEMBL: ENSMUSP00000133756 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029657] [ENSMUST00000042587] [ENSMUST00000106382] [ENSMUST00000172645] [ENSMUST00000174623] [ENSMUST00000174661]
AlphaFold P97474
Predicted Effect probably benign
Transcript: ENSMUST00000029657
Predicted Effect probably damaging
Transcript: ENSMUST00000042587
AA Change: M229T

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000047359
Gene: ENSMUSG00000028023
AA Change: M229T

DomainStartEndE-ValueType
HOX 92 154 6.5e-26 SMART
low complexity region 213 236 N/A INTRINSIC
low complexity region 244 262 N/A INTRINSIC
low complexity region 263 280 N/A INTRINSIC
Pfam:OAR 282 300 4.9e-11 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000106382
AA Change: M176T

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000101990
Gene: ENSMUSG00000028023
AA Change: M176T

DomainStartEndE-ValueType
HOX 39 101 6.5e-26 SMART
low complexity region 160 183 N/A INTRINSIC
low complexity region 191 209 N/A INTRINSIC
low complexity region 210 227 N/A INTRINSIC
Pfam:OAR 228 248 2.9e-12 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000172645
AA Change: M209T

PolyPhen 2 Score 0.082 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000134692
Gene: ENSMUSG00000028023
AA Change: M209T

DomainStartEndE-ValueType
HOX 72 134 6.5e-26 SMART
low complexity region 193 216 N/A INTRINSIC
low complexity region 224 242 N/A INTRINSIC
low complexity region 243 260 N/A INTRINSIC
Pfam:OAR 262 280 9.5e-12 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000174623
SMART Domains Protein: ENSMUSP00000139328
Gene: ENSMUSG00000028023

DomainStartEndE-ValueType
HOX 92 151 1.37e-10 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000174661
AA Change: M222T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000133756
Gene: ENSMUSG00000028023
AA Change: M222T

DomainStartEndE-ValueType
HOX 85 147 6.5e-26 SMART
low complexity region 206 229 N/A INTRINSIC
low complexity region 237 255 N/A INTRINSIC
low complexity region 256 273 N/A INTRINSIC
Pfam:OAR 274 294 1.8e-12 PFAM
Meta Mutation Damage Score 0.0804 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.3%
Validation Efficiency 98% (58/59)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the RIEG/PITX homeobox family, which is in the bicoid class of homeodomain proteins. The encoded protein acts as a transcription factor and regulates procollagen lysyl hydroxylase gene expression. This protein plays a role in the terminal differentiation of somatotroph and lactotroph cell phenotypes, is involved in the development of the eye, tooth and abdominal organs, and acts as a transcriptional regulator involved in basal and hormone-regulated activity of prolactin. Mutations in this gene are associated with Axenfeld-Rieger syndrome, iridogoniodysgenesis syndrome, and sporadic cases of Peters anomaly. A similar protein in other vertebrates is involved in the determination of left-right asymmetry during development. Alternatively spliced transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for targeted mutations show failed ventral body wall closure, right pulmonary isomerism, septal and valve defects, absent ocular muscles, arrested pituitary and tooth development, optic nerve, mandible and maxilla defects, and embryonic death. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca16 A G 7: 120,119,332 (GRCm39) I1025M probably benign Het
Adamtsl5 T A 10: 80,179,465 (GRCm39) T164S probably benign Het
Ankar C T 1: 72,682,195 (GRCm39) A1239T unknown Het
Aox4 A T 1: 58,303,537 (GRCm39) S1192C probably damaging Het
Atl2 T C 17: 80,159,982 (GRCm39) D68G probably damaging Het
Btnl4 T C 17: 34,691,919 (GRCm39) I228V probably benign Het
Catsper4 T C 4: 133,942,460 (GRCm39) T231A probably benign Het
Ccl12 A T 11: 81,993,523 (GRCm39) T54S probably damaging Het
Cntn1 T C 15: 92,140,980 (GRCm39) probably null Het
Cog5 T A 12: 31,944,198 (GRCm39) D694E probably damaging Het
Crat T A 2: 30,305,208 (GRCm39) probably benign Het
Crot T C 5: 9,023,635 (GRCm39) T418A probably benign Het
Cubn G A 2: 13,323,089 (GRCm39) P2826L probably damaging Het
Dnah17 A G 11: 117,981,598 (GRCm39) F1698L possibly damaging Het
Dock8 T A 19: 25,124,742 (GRCm39) D1019E possibly damaging Het
Eps15 A G 4: 109,166,361 (GRCm39) N85D probably damaging Het
Exoc1 T C 5: 76,706,889 (GRCm39) S457P probably damaging Het
Ext1 G A 15: 52,965,088 (GRCm39) T426I probably damaging Het
Fat1 T C 8: 45,405,489 (GRCm39) S747P possibly damaging Het
Gas7 A G 11: 67,574,213 (GRCm39) D396G probably damaging Het
Gm5114 G T 7: 39,057,580 (GRCm39) R680S probably benign Het
Gpcpd1 A T 2: 132,395,994 (GRCm39) L94M possibly damaging Het
Gse1 C A 8: 120,956,221 (GRCm39) probably benign Het
Hmgb1 T C 5: 148,987,471 (GRCm39) E26G probably benign Het
Incenp C T 19: 9,852,496 (GRCm39) R714Q unknown Het
Krt73 T C 15: 101,704,833 (GRCm39) E351G probably damaging Het
Ksr1 A G 11: 78,938,121 (GRCm39) probably null Het
Lpin2 T G 17: 71,522,145 (GRCm39) S60A probably damaging Het
Lrrc71 T C 3: 87,649,927 (GRCm39) probably null Het
Mafb A G 2: 160,207,939 (GRCm39) S220P possibly damaging Het
Maml3 TCTGCTGCTGCTGCTGCTGCTGCTGTTGCTGCTGCTGCTGCTGTTGCTGCTGCTGC TCTGCTGCTGCTGCTGCTGCTGTTGCTGCTGCTGCTGCTGTTGCTGCTGCTGC 3: 51,605,000 (GRCm39) Het
Mcmbp T C 7: 128,326,833 (GRCm39) probably null Het
Or1e30 A T 11: 73,677,926 (GRCm39) H54L possibly damaging Het
Or4s2 A G 2: 88,473,941 (GRCm39) T277A probably damaging Het
Paqr9 T C 9: 95,442,096 (GRCm39) S29P probably benign Het
Parm1 A G 5: 91,742,069 (GRCm39) T146A possibly damaging Het
Pgm2 T A 5: 64,261,221 (GRCm39) F238L probably benign Het
Pigv A T 4: 133,392,792 (GRCm39) F126Y probably damaging Het
Plekhg6 T C 6: 125,355,693 (GRCm39) N37S probably benign Het
Pramel25 T C 4: 143,520,103 (GRCm39) C116R probably damaging Het
Psme4 A T 11: 30,784,307 (GRCm39) K961* probably null Het
Rbpj T C 5: 53,810,493 (GRCm39) W392R probably damaging Het
Reg3a T A 6: 78,358,038 (GRCm39) probably null Het
Rfc3 C T 5: 151,571,749 (GRCm39) S85N probably benign Het
Rtn3 T C 19: 7,435,696 (GRCm39) T80A probably benign Het
Sash1 T C 10: 8,659,985 (GRCm39) T195A probably damaging Het
Ska1 A G 18: 74,339,910 (GRCm39) V12A probably benign Het
Slc25a1 A G 16: 17,745,294 (GRCm39) V80A probably benign Het
Slc26a5 A T 5: 22,039,342 (GRCm39) V217D probably damaging Het
Slc46a1 A G 11: 78,357,805 (GRCm39) D286G probably benign Het
Spata2l A T 8: 123,962,297 (GRCm39) L88Q probably damaging Het
Sptbn1 T G 11: 30,088,634 (GRCm39) Q876P probably benign Het
Tenm2 T A 11: 35,914,407 (GRCm39) I2377F possibly damaging Het
Thbs4 A T 13: 92,899,377 (GRCm39) D539E probably damaging Het
Tmem154 T A 3: 84,599,813 (GRCm39) C162S possibly damaging Het
Tpcn1 T C 5: 120,682,502 (GRCm39) E502G probably benign Het
Traf7 G A 17: 24,731,266 (GRCm39) R257C probably benign Het
Tsc22d2 T C 3: 58,323,629 (GRCm39) Y174H probably damaging Het
Usp8 A G 2: 126,594,230 (GRCm39) E802G probably damaging Het
Vmn1r5 T C 6: 56,963,042 (GRCm39) V239A possibly damaging Het
Vmn2r99 T A 17: 19,600,457 (GRCm39) S494T possibly damaging Het
Zbtb38 A G 9: 96,568,517 (GRCm39) F856L probably damaging Het
Other mutations in Pitx2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01409:Pitx2 APN 3 129,008,413 (GRCm39) missense probably damaging 0.99
IGL02110:Pitx2 APN 3 129,012,466 (GRCm39) missense probably damaging 0.99
Chihuahua UTSW 3 129,009,489 (GRCm39) missense probably damaging 1.00
milly UTSW 3 129,012,223 (GRCm39) missense probably damaging 1.00
R0014:Pitx2 UTSW 3 129,012,148 (GRCm39) missense possibly damaging 0.70
R1083:Pitx2 UTSW 3 129,012,418 (GRCm39) missense probably damaging 1.00
R1474:Pitx2 UTSW 3 129,012,488 (GRCm39) missense probably damaging 1.00
R1789:Pitx2 UTSW 3 129,012,403 (GRCm39) missense probably damaging 1.00
R1945:Pitx2 UTSW 3 129,012,185 (GRCm39) missense probably damaging 1.00
R5305:Pitx2 UTSW 3 129,009,489 (GRCm39) missense probably damaging 1.00
R5950:Pitx2 UTSW 3 129,012,169 (GRCm39) missense probably damaging 1.00
R6114:Pitx2 UTSW 3 128,998,062 (GRCm39) splice site probably null
R6189:Pitx2 UTSW 3 129,012,118 (GRCm39) missense probably damaging 1.00
R6192:Pitx2 UTSW 3 129,009,521 (GRCm39) missense probably benign 0.09
R6226:Pitx2 UTSW 3 129,009,491 (GRCm39) missense probably damaging 1.00
R6526:Pitx2 UTSW 3 129,008,432 (GRCm39) critical splice donor site probably null
R6778:Pitx2 UTSW 3 129,012,392 (GRCm39) missense probably damaging 1.00
R7575:Pitx2 UTSW 3 129,009,375 (GRCm39) missense probably damaging 1.00
R8390:Pitx2 UTSW 3 129,012,507 (GRCm39) missense probably damaging 0.96
R8766:Pitx2 UTSW 3 129,012,223 (GRCm39) missense probably damaging 1.00
R9021:Pitx2 UTSW 3 129,008,432 (GRCm39) critical splice donor site probably null
R9236:Pitx2 UTSW 3 129,009,345 (GRCm39) missense probably damaging 1.00
R9744:Pitx2 UTSW 3 129,009,467 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGCAAGAATGGCTTTGGGC -3'
(R):5'- TGCTTTCAGTCTCAGGCTGG -3'

Sequencing Primer
(F):5'- AGTTCAACGGGCTCATGCAG -3'
(R):5'- GCCAGGCTCGAGTTACATGTG -3'
Posted On 2018-10-18