Incidental Mutation 'R5305:Pitx2'
ID 404484
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 042888-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5305 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 128993527-129013240 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 129009489 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glycine at position 129 (V129G)
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: V136G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000047359
Gene: ENSMUSG00000028023
AA Change: V136G

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: V83G

PolyPhen 2 Score 0.980 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000101990
Gene: ENSMUSG00000028023
AA Change: V83G

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: V116G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000134692
Gene: ENSMUSG00000028023
AA Change: V116G

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 damaging
Transcript: ENSMUST00000174623
AA Change: V136G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000139328
Gene: ENSMUSG00000028023
AA Change: V136G

DomainStartEndE-ValueType
HOX 92 151 1.37e-10 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000174661
AA Change: V129G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000133756
Gene: ENSMUSG00000028023
AA Change: V129G

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: ENSMUST00000184283
Predicted Effect noncoding transcript
Transcript: ENSMUST00000187145
Meta Mutation Damage Score 0.9353 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency 99% (67/68)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930407I10Rik G A 15: 81,943,420 (GRCm39) V11M possibly damaging Het
Acot8 A G 2: 164,637,685 (GRCm39) V179A probably benign Het
Actb A G 5: 142,889,985 (GRCm39) I194T probably benign Het
Ap1g2 A G 14: 55,336,533 (GRCm39) V787A probably benign Het
Areg G T 5: 91,292,308 (GRCm39) A203S probably damaging Het
Asb13 A T 13: 3,693,479 (GRCm39) D79V probably damaging Het
Atad2b C T 12: 5,015,855 (GRCm39) T527I probably damaging Het
Auts2 T G 5: 131,472,632 (GRCm39) probably benign Het
Ceacam3 T A 7: 16,885,501 (GRCm39) S35T probably damaging Het
Crebzf T C 7: 90,093,342 (GRCm39) probably benign Het
Cttnbp2 G T 6: 18,381,097 (GRCm39) N1366K probably benign Het
Cubn C A 2: 13,393,750 (GRCm39) C1417F probably damaging Het
Dot1l C T 10: 80,626,627 (GRCm39) P162S probably benign Het
Epc1 G A 18: 6,490,690 (GRCm39) probably benign Het
Eps8l1 A G 7: 4,480,895 (GRCm39) S613G possibly damaging Het
Erich6 T G 3: 58,532,537 (GRCm39) I357L probably benign Het
Foxj3 T A 4: 119,477,155 (GRCm39) S288T possibly damaging Het
Gls2 T G 10: 128,040,578 (GRCm39) Y326* probably null Het
Gm11595 G A 11: 99,663,381 (GRCm39) R100C unknown Het
Gm7535 T C 17: 18,132,061 (GRCm39) probably benign Het
Gxylt2 T G 6: 100,764,179 (GRCm39) L288R probably damaging Het
Kdm4a T C 4: 118,017,698 (GRCm39) Y456C probably damaging Het
Mgat4c T A 10: 102,225,140 (GRCm39) F451L possibly damaging Het
Mrpl20 G A 4: 155,888,162 (GRCm39) R17H probably damaging Het
Mtf2 A G 5: 108,252,365 (GRCm39) T465A possibly damaging Het
Mycbp2 A C 14: 103,583,757 (GRCm39) L66R probably benign Het
Nos1ap T A 1: 170,176,968 (GRCm39) K145M probably damaging Het
Nr2e1 A T 10: 42,447,483 (GRCm39) Y176* probably null Het
Obscn T C 11: 58,903,541 (GRCm39) T7628A possibly damaging Het
Or7a37 A T 10: 78,806,390 (GRCm39) K302N possibly damaging Het
Polr2e A G 10: 79,873,897 (GRCm39) probably benign Het
Ppard A G 17: 28,517,832 (GRCm39) D300G probably damaging Het
Ppp1r27 A G 11: 120,441,743 (GRCm39) V46A probably benign Het
Prex2 T A 1: 11,177,902 (GRCm39) V332E probably damaging Het
Prss30 T G 17: 24,191,750 (GRCm39) Y257S probably benign Het
Ptprd T C 4: 75,900,863 (GRCm39) E1082G probably damaging Het
Rab3c T A 13: 110,317,611 (GRCm39) R89S probably damaging Het
Rimbp2 A G 5: 128,874,445 (GRCm39) V389A possibly damaging Het
Rims1 T A 1: 22,635,623 (GRCm39) R119S probably damaging Het
Sema3b T C 9: 107,480,536 (GRCm39) H137R probably null Het
Sf3b4 G C 3: 96,080,958 (GRCm39) A89P probably damaging Het
Sgta T A 10: 80,882,081 (GRCm39) Q298L probably damaging Het
Skic3 G A 13: 76,295,886 (GRCm39) E1050K possibly damaging Het
Spag9 C A 11: 93,959,838 (GRCm39) D342E probably damaging Het
Sry T A Y: 2,662,982 (GRCm39) D226V unknown Het
Sv2a A G 3: 96,092,774 (GRCm39) E158G possibly damaging Het
Sytl2 A G 7: 90,031,071 (GRCm39) probably benign Het
Thbs3 T A 3: 89,125,283 (GRCm39) probably benign Het
Top3a A T 11: 60,653,365 (GRCm39) N56K possibly damaging Het
Tyk2 T C 9: 21,020,677 (GRCm39) D918G probably damaging Het
Uqcrh A G 4: 115,924,481 (GRCm39) probably benign Het
Vmn1r61 A G 7: 5,613,814 (GRCm39) S167P probably damaging Het
Wdr25 C A 12: 108,992,366 (GRCm39) H74N probably damaging Het
Zfp458 T C 13: 67,404,382 (GRCm39) N686D probably benign Het
Zfp574 T A 7: 24,780,515 (GRCm39) H512Q Het
Zfp976 A T 7: 42,262,902 (GRCm39) Y312N probably benign Het
Zscan4c G A 7: 10,743,462 (GRCm39) V354I 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
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'- GGGAGTCTGACCCGAAACTATG -3'
(R):5'- CACAATGCCCTTTGCTGAGG -3'

Sequencing Primer
(F):5'- TGCTTTTTCAGAGAAAGATAAGGGCC -3'
(R):5'- AATGCCCTTTGCTGAGGAATGC -3'
Posted On 2016-07-22