Incidental Mutation 'R8390:Pitx2'
ID 647315
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 067755-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8390 (G1)
Quality Score 225.009
Status Not validated
Chromosome 3
Chromosomal Location 128993527-129013240 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 129012507 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 312 (N312K)
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: N312K

PolyPhen 2 Score 0.963 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000047359
Gene: ENSMUSG00000028023
AA Change: N312K

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: N259K

PolyPhen 2 Score 0.870 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000101990
Gene: ENSMUSG00000028023
AA Change: N259K

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 possibly damaging
Transcript: ENSMUST00000172645
AA Change: N292K

PolyPhen 2 Score 0.865 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000134692
Gene: ENSMUSG00000028023
AA Change: N292K

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 possibly damaging
Transcript: ENSMUST00000174661
AA Change: N305K

PolyPhen 2 Score 0.919 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000133756
Gene: ENSMUSG00000028023
AA Change: N305K

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: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700069L16Rik A T 5: 113,830,841 (GRCm39) F50I unknown Het
Abca9 A T 11: 110,036,456 (GRCm39) M551K probably benign Het
Adgrl3 T C 5: 81,914,057 (GRCm39) S1145P probably damaging Het
Brix1 C T 15: 10,485,954 (GRCm39) R9H probably benign Het
C1d T C 11: 17,213,993 (GRCm39) V83A probably damaging Het
Ciz1 G T 2: 32,257,335 (GRCm39) V127L probably benign Het
Csnk1g3 A T 18: 54,081,150 (GRCm39) T374S probably benign Het
Elavl1 T A 8: 4,339,623 (GRCm39) K320* probably null Het
Foxn3 T A 12: 99,355,000 (GRCm39) M55L probably benign Het
Gm14399 A T 2: 174,972,605 (GRCm39) Y383* probably null Het
H2-M10.5 T A 17: 37,085,487 (GRCm39) H215Q probably benign Het
Hsd17b13 C A 5: 104,120,512 (GRCm39) C80F probably damaging Het
Ifi206 G T 1: 173,308,511 (GRCm39) T495N Het
Ifi207 GTT GT 1: 173,557,016 (GRCm39) probably null Het
Ipo13 A T 4: 117,769,534 (GRCm39) I86N probably damaging Het
Iqcf3 T G 9: 106,438,175 (GRCm39) E16A unknown Het
Kcnh5 T A 12: 75,134,532 (GRCm39) D339V probably damaging Het
Lmbr1 C T 5: 29,440,040 (GRCm39) M441I probably benign Het
Me3 G T 7: 89,498,803 (GRCm39) G461V probably damaging Het
Mepce A G 5: 137,783,441 (GRCm39) L295P possibly damaging Het
Mtpap T A 18: 4,396,141 (GRCm39) Y478N probably damaging Het
Myl12a T C 17: 71,303,231 (GRCm39) M74V probably benign Het
Neil3 A T 8: 54,062,559 (GRCm39) M99K probably damaging Het
Nlrp3 A G 11: 59,442,616 (GRCm39) T723A possibly damaging Het
Obscn A T 11: 58,892,870 (GRCm39) I6792N probably benign Het
Or13a19 G T 7: 139,903,027 (GRCm39) W138C possibly damaging Het
Or2d2 A G 7: 106,728,522 (GRCm39) L26P probably benign Het
Or5al7 A G 2: 85,993,266 (GRCm39) V9A possibly damaging Het
Or8b49 T A 9: 38,505,887 (GRCm39) Y123* probably null Het
Or8h10 G A 2: 86,808,501 (GRCm39) T213I probably benign Het
Peg10 T TCCC 6: 4,756,451 (GRCm39) probably benign Het
Pot1b C A 17: 55,999,739 (GRCm39) V229L probably benign Het
Psmd1 A G 1: 86,006,329 (GRCm39) I232V possibly damaging Het
Rif1 A G 2: 52,000,935 (GRCm39) E1463G probably damaging Het
Scn5a T A 9: 119,368,604 (GRCm39) Y307F possibly damaging Het
Shprh G A 10: 11,063,727 (GRCm39) E1267K possibly damaging Het
Smtnl1 A T 2: 84,645,694 (GRCm39) Y392* probably null Het
Sry GCTGCTGGTGGTGGTCATGGAACTGCTGCTTCTGCTGGTGGTGGTCATGGAACTGCTGCTTCTGCTGGTGGTGGTCATGGAACTGCTGCTTCTGCTG GCTGCTGGTGGTGGTCATGGAACTGCTGCTTCTGCTGGTGGTGGTCATGGAACTGCTGCTTCTGCTG Y: 2,662,638 (GRCm39) probably benign Het
Sspo G A 6: 48,444,896 (GRCm39) G2268R probably benign Het
Tex47 G A 5: 7,355,301 (GRCm39) E161K probably benign Het
Timd6 G T 11: 46,468,082 (GRCm39) R52L probably damaging Het
Tmem236 T C 2: 14,224,168 (GRCm39) L319P probably damaging Het
Tnk1 T C 11: 69,742,695 (GRCm39) T606A possibly damaging Het
Tnrc6a A G 7: 122,761,794 (GRCm39) T81A probably damaging Het
Trav6d-4 A T 14: 52,991,092 (GRCm39) T46S probably benign Het
Wdr19 T A 5: 65,381,210 (GRCm39) Y411* probably null Het
Zfp553 A G 7: 126,835,476 (GRCm39) T344A probably damaging Het
Zfp62 G A 11: 49,106,019 (GRCm39) G37S 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
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'- TTGAACAACCTGAGCAGCCC -3'
(R):5'- ACACTTGGGGACATTCCTTTG -3'

Sequencing Primer
(F):5'- CCGTCGCTGAATTCCGC -3'
(R):5'- GAAATCAAAGGCGCTCTCTCTTTG -3'
Posted On 2020-09-02