Incidental Mutation 'R9236:Pitx2'
ID 700470
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
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9236 (G1)
Quality Score 225.009
Status Not validated
Chromosome 3
Chromosomal Location 128993527-129013240 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 129009345 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Arginine at position 88 (K88R)
Ref Sequence ENSEMBL: ENSMUSP00000047359 (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: K88R

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000047359
Gene: ENSMUSG00000028023
AA Change: K88R

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 possibly damaging
Transcript: ENSMUST00000106382
AA Change: K35R

PolyPhen 2 Score 0.747 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000101990
Gene: ENSMUSG00000028023
AA Change: K35R

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: K68R

PolyPhen 2 Score 0.968 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000134692
Gene: ENSMUSG00000028023
AA Change: K68R

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 possibly damaging
Transcript: ENSMUST00000174623
AA Change: K88R

PolyPhen 2 Score 0.473 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000139328
Gene: ENSMUSG00000028023
AA Change: K88R

DomainStartEndE-ValueType
HOX 92 151 1.37e-10 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000174661
AA Change: K81R

PolyPhen 2 Score 0.942 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000133756
Gene: ENSMUSG00000028023
AA Change: K81R

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
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
Abca3 A G 17: 24,626,712 (GRCm39) T1514A probably benign Het
Abcb1b G A 5: 8,874,893 (GRCm39) probably null Het
Adam12 A C 7: 133,614,022 (GRCm39) L109R probably benign Het
Adgre1 T A 17: 57,709,782 (GRCm39) Y146* probably null Het
Ap5m1 G T 14: 49,311,064 (GRCm39) V45L probably benign Het
Bpifa5 A T 2: 154,006,150 (GRCm39) I113F probably damaging Het
Cacna1h A T 17: 25,600,424 (GRCm39) M1639K probably damaging Het
Celsr1 T C 15: 85,915,051 (GRCm39) E974G probably damaging Het
Cfap251 T C 5: 123,428,125 (GRCm39) C980R probably damaging Het
Cggbp1 C T 16: 64,676,318 (GRCm39) A128V probably benign Het
Col7a1 G T 9: 108,789,684 (GRCm39) R898L unknown Het
Cycs C T 6: 50,543,507 (GRCm39) probably benign Het
Cyp2c54 A T 19: 40,060,938 (GRCm39) Y68* probably null Het
Dock9 T C 14: 121,876,970 (GRCm39) D467G probably damaging Het
Eif2s1 A T 12: 78,921,343 (GRCm39) I83L probably benign Het
Eppk1 T A 15: 75,990,510 (GRCm39) R2124* probably null Het
Fkbp15 G C 4: 62,254,664 (GRCm39) L279V probably damaging Het
Fndc1 A G 17: 7,992,460 (GRCm39) V412A unknown Het
Gfap A G 11: 102,786,327 (GRCm39) I194T probably damaging Het
Gpatch2 C A 1: 186,965,977 (GRCm39) T350K probably benign Het
Hecw1 C T 13: 14,490,643 (GRCm39) G783D possibly damaging Het
Hipk1 A T 3: 103,671,789 (GRCm39) W437R probably damaging Het
Hps4 G A 5: 112,525,905 (GRCm39) S642N possibly damaging Het
Hr C T 14: 70,809,396 (GRCm39) P1136S probably damaging Het
Il1rl2 T A 1: 40,368,221 (GRCm39) N130K probably damaging Het
Kif13b A G 14: 64,982,383 (GRCm39) I532V probably benign Het
Klk15 C T 7: 43,587,790 (GRCm39) H73Y possibly damaging Het
Lrba T A 3: 86,261,066 (GRCm39) I1474K probably benign Het
Luc7l3 T C 11: 94,186,772 (GRCm39) E371G unknown Het
Myo5b T A 18: 74,853,934 (GRCm39) D1184E probably benign Het
N4bp2l2 T C 5: 150,585,734 (GRCm39) H82R probably benign Het
N4bp2l2 A G 5: 150,585,479 (GRCm39) M167T probably benign Het
Ndufaf1 T C 2: 119,490,712 (GRCm39) E118G possibly damaging Het
Nedd9 A T 13: 41,492,153 (GRCm39) V119E possibly damaging Het
Nlgn3 T C X: 100,352,390 (GRCm39) V179A probably damaging Het
Ntmt1 T A 2: 30,712,407 (GRCm39) L150Q probably damaging Het
Or5b99 G T 19: 12,976,763 (GRCm39) V138F probably damaging Het
Or7g21 A G 9: 19,033,206 (GRCm39) *315W probably null Het
Or8b40 A T 9: 38,027,496 (GRCm39) M140L possibly damaging Het
Or8h7 C T 2: 86,720,622 (GRCm39) S299N probably benign Het
Osbpl8 A G 10: 111,106,496 (GRCm39) N301S probably benign Het
Pgm5 A T 19: 24,839,003 (GRCm39) S51T probably benign Het
Pnma8b A T 7: 16,679,964 (GRCm39) D316V unknown Het
Pop1 C A 15: 34,499,558 (GRCm39) P41Q probably damaging Het
Rcor1 A C 12: 111,070,080 (GRCm39) K292N Het
Rps6kc1 C T 1: 190,532,200 (GRCm39) D601N probably damaging Het
Sema7a A T 9: 57,862,408 (GRCm39) I204F probably damaging Het
Slc29a4 T C 5: 142,698,702 (GRCm39) L121P probably damaging Het
Slc4a2 A G 5: 24,644,308 (GRCm39) T983A probably benign Het
Slc4a4 C T 5: 89,194,158 (GRCm39) R213* probably null Het
Tbc1d2 G A 4: 46,609,029 (GRCm39) T736I probably benign Het
Tmco1 C T 1: 167,136,132 (GRCm39) probably benign Het
Trim28 G A 7: 12,763,490 (GRCm39) A544T probably benign Het
Trip12 A C 1: 84,703,550 (GRCm39) L1895R probably damaging Het
Ttc41 A T 10: 86,612,594 (GRCm39) Y1289F probably damaging Het
Vmn1r70 G A 7: 10,368,016 (GRCm39) C168Y probably damaging Het
Vtcn1 C A 3: 100,795,533 (GRCm39) R167S probably benign Het
Zfp369 G A 13: 65,445,010 (GRCm39) V718I probably benign Het
Zfp608 T C 18: 55,032,354 (GRCm39) T529A probably benign Het
Zfp936 A G 7: 42,836,922 (GRCm39) N46D probably benign Het
Zfp974 A G 7: 27,610,342 (GRCm39) V461A possibly damaging Het
Zgrf1 A G 3: 127,378,312 (GRCm39) N1024S 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
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
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
R9744:Pitx2 UTSW 3 129,009,467 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AATAAAACGTGCGGCGCTG -3'
(R):5'- GCTCTGATTCTTGGCAAGGC -3'

Sequencing Primer
(F):5'- TGCCGAGCACAGACCTTTC -3'
(R):5'- CCCTCGTTTTCCCAGATTGG -3'
Posted On 2022-02-07