Incidental Mutation 'R1083:Pitx2'
ID 84909
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 039169-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1083 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 128993527-129013240 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 129012418 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 276 (T276A)
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: T283A

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000047359
Gene: ENSMUSG00000028023
AA Change: T283A

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 benign
Transcript: ENSMUST00000106382
AA Change: T230A

PolyPhen 2 Score 0.318 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000101990
Gene: ENSMUSG00000028023
AA Change: T230A

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 damaging
Transcript: ENSMUST00000172645
AA Change: T263A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000134692
Gene: ENSMUSG00000028023
AA Change: T263A

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: T276A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000133756
Gene: ENSMUSG00000028023
AA Change: T276A

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000187145
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199637
Meta Mutation Damage Score 0.1213 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.1%
  • 20x: 94.0%
Validation Efficiency 100% (38/38)
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A730049H05Rik T C 6: 92,805,046 (GRCm39) probably benign Het
Adamts17 G A 7: 66,797,322 (GRCm39) C986Y probably damaging Het
AI987944 A G 7: 41,024,763 (GRCm39) V75A probably benign Het
Arhgap10 T C 8: 78,244,378 (GRCm39) Y12C probably damaging Het
Atp11b G A 3: 35,832,162 (GRCm39) probably benign Het
Ccer1 T A 10: 97,530,520 (GRCm39) D394E possibly damaging Het
Cdh2 T C 18: 16,777,016 (GRCm39) N273S possibly damaging Het
Cfap65 G T 1: 74,957,663 (GRCm39) probably benign Het
Crybb3 A T 5: 113,228,444 (GRCm39) probably benign Het
D7Ertd443e G A 7: 133,950,663 (GRCm39) Q337* probably null Het
Dixdc1 C T 9: 50,588,293 (GRCm39) probably benign Het
Dut GCGGC GCGGCCGGC 2: 125,089,748 (GRCm39) probably null Het
Fbxo2 A G 4: 148,250,234 (GRCm39) probably null Het
Gm5174 T C 10: 86,491,972 (GRCm39) noncoding transcript Het
Gpam A G 19: 55,076,643 (GRCm39) probably benign Het
Il12a C T 3: 68,602,666 (GRCm39) T112M probably damaging Het
Itpr1 T A 6: 108,487,657 (GRCm39) V2361D possibly damaging Het
Jag1 G A 2: 136,938,152 (GRCm39) L283F probably damaging Het
Lamb2 A C 9: 108,360,892 (GRCm39) D538A probably benign Het
Map10 T A 8: 126,397,178 (GRCm39) C190* probably null Het
Pcnx2 C T 8: 126,498,843 (GRCm39) R1552H probably damaging Het
Phf1 T C 17: 27,156,244 (GRCm39) probably benign Het
Pparg A G 6: 115,467,107 (GRCm39) D490G probably damaging Het
Rnf10 A T 5: 115,398,163 (GRCm39) probably benign Het
Sbp T C 17: 24,161,704 (GRCm39) probably benign Het
Setbp1 A T 18: 78,900,841 (GRCm39) L942H probably damaging Het
Sf3b1 C G 1: 55,058,554 (GRCm39) E12Q possibly damaging Het
Sfmbt1 A T 14: 30,509,498 (GRCm39) N326Y possibly damaging Het
Slx4 G A 16: 3,808,774 (GRCm39) Q389* probably null Het
Srrm3 T A 5: 135,883,263 (GRCm39) V206E probably damaging Het
Sspo T A 6: 48,447,933 (GRCm39) D2270E possibly damaging Het
Sulf1 AAGGGA AAGGGAGGGA 1: 12,906,388 (GRCm39) probably null Het
Vmn1r14 T A 6: 57,211,184 (GRCm39) I210N probably damaging Het
Wasf3 T G 5: 146,372,182 (GRCm39) L13R probably damaging Het
Yes1 T C 5: 32,809,101 (GRCm39) probably null Het
Zfp292 T C 4: 34,807,569 (GRCm39) D1830G probably damaging Het
Zfp541 A G 7: 15,812,637 (GRCm39) N430S probably benign 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
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
R6885:Pitx2 UTSW 3 129,012,257 (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'- CATGTACCCCGGCTATTCGTACAAC -3'
(R):5'- CGCACGACCTTCTAGCACAATTCTC -3'

Sequencing Primer
(F):5'- TCGTACAACAATTGGGCTGC -3'
(R):5'- AATTCTCAGTCTTTCTGGGGCAG -3'
Posted On 2013-11-18