Incidental Mutation 'R7747:Hrh2'
ID 596932
Institutional Source Beutler Lab
Gene Symbol Hrh2
Ensembl Gene ENSMUSG00000034987
Gene Name histamine receptor H2
Synonyms H2r
MMRRC Submission
Accession Numbers

NCBI RefSeq: NM_001010973.2; MGI:108482

Essential gene? Non essential (E-score: 0.000) question?
Stock # R7747 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 54192129-54236180 bp(+) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to C at 54214530 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 175 (V175A)
Ref Sequence ENSEMBL: ENSMUSP00000038170 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038101] [ENSMUST00000209846] [ENSMUST00000211742]
AlphaFold P97292
Predicted Effect possibly damaging
Transcript: ENSMUST00000038101
AA Change: V175A

PolyPhen 2 Score 0.630 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000038170
Gene: ENSMUSG00000034987
AA Change: V175A

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srsx 29 302 8.9e-13 PFAM
Pfam:7tm_1 35 287 1.1e-69 PFAM
low complexity region 315 326 N/A INTRINSIC
low complexity region 361 374 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000209846
AA Change: V175A

PolyPhen 2 Score 0.630 (Sensitivity: 0.87; Specificity: 0.91)
Predicted Effect probably benign
Transcript: ENSMUST00000211742
AA Change: V175A

PolyPhen 2 Score 0.311 (Sensitivity: 0.90; Specificity: 0.89)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 100% (89/89)
MGI Phenotype Strain: 2182949; 3607154
FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Histamine is a ubiquitous messenger molecule released from mast cells, enterochromaffin-like cells, and neurons. Its various actions are mediated by histamine receptors H1, H2, H3 and H4. Histamine receptor H2 belongs to the family 1 of G protein-coupled receptors. It is an integral membrane protein and stimulates gastric acid secretion. It also regulates gastrointestinal motility and intestinal secretion and is thought to be involved in regulating cell growth and differentiation. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2008]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit enlarged folds in gastric mucosa, elevated serum gastrin levels, increased numbers of parietal and enterochromaffin-like cells, and lack of secretion of gastric acid in response to histamine or gastrin. [provided by MGI curators]
Allele List at MGI

All alleles(14) : Targeted(2) Gene trapped(12)

Other mutations in this stock
Total: 91 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2010109A12Rik G A 5: 93,206,557 probably null Het
2410004P03Rik C T 12: 17,007,148 S116N probably damaging Het
3425401B19Rik T C 14: 32,663,069 D313G possibly damaging Het
AA986860 A G 1: 130,743,547 E502G possibly damaging Het
Adamts20 T A 15: 94,291,587 K1462* probably null Het
Adgrg6 A C 10: 14,450,577 probably null Het
Ankrd13d G A 19: 4,280,985 H165Y probably damaging Het
Arap3 T C 18: 37,988,888 probably null Het
Arhgap33 A G 7: 30,524,135 V823A probably damaging Het
Aup1 C A 6: 83,054,795 P34T unknown Het
Bcl2l2 C T 14: 54,884,379 probably benign Het
Bicc1 T C 10: 70,946,993 T515A probably benign Het
Ccdc73 A C 2: 104,929,556 K106Q probably damaging Het
Celsr3 G A 9: 108,829,978 R1220Q possibly damaging Het
Cep290 C T 10: 100,558,176 Q2082* probably null Het
Cercam A G 2: 29,871,286 D104G probably benign Het
Champ1 A G 8: 13,879,990 H716R probably damaging Het
Cntrl A T 2: 35,116,798 I159F probably damaging Het
Col11a1 T C 3: 114,102,572 I507T unknown Het
Cped1 T C 6: 22,143,974 I573T probably damaging Het
Crot C T 5: 8,968,869 probably null Het
D1Pas1 T A 1: 186,968,677 S268T probably benign Het
Erich6 A G 3: 58,618,928 V551A probably damaging Het
Fbxo32 T C 15: 58,191,361 N192S probably damaging Het
Fgd6 T C 10: 94,044,916 V544A probably damaging Het
Fnbp1 C T 2: 31,036,147 G552E probably damaging Het
Gjb5 A T 4: 127,356,162 V63D probably damaging Het
Gm10053 T C 19: 24,876,039 I96T probably benign Het
Gm11639 T G 11: 104,842,603 I2011S probably damaging Het
Gm38119 T C 3: 92,738,021 S89G unknown Het
Gm884 A T 11: 103,614,255 S2296T probably damaging Het
Gpn2 A G 4: 133,586,045 I183V probably benign Het
Greb1 C T 12: 16,674,795 V1793M probably benign Het
H2-Q7 A G 17: 35,440,061 I163V probably benign Het
Hsd3b3 C T 3: 98,743,898 V79I possibly damaging Het
Itgb7 T C 15: 102,216,604 I727M possibly damaging Het
Kcnj16 T A 11: 111,024,743 F77Y probably damaging Het
Lilra6 T A 7: 3,912,996 Q288L probably benign Het
Malrd1 G A 2: 16,074,835 V1788M unknown Het
Mau2 T C 8: 70,026,723 I349V possibly damaging Het
Mbnl3 C T X: 51,130,334 R181H probably damaging Het
Mfsd6 T C 1: 52,676,547 T524A probably benign Het
Mical2 G T 7: 112,333,839 R740L probably benign Het
Mknk1 G A 4: 115,878,072 C379Y possibly damaging Het
Mta3 A T 17: 83,791,736 K410* probably null Het
Myb A C 10: 21,156,425 I19S possibly damaging Het
Ncor2 A G 5: 125,027,038 F996S Het
Nlrp1a T C 11: 71,123,408 M339V possibly damaging Het
Olfr136 C T 17: 38,335,394 P79L probably benign Het
Olfr689 A G 7: 105,314,447 K148E probably damaging Het
Pcdhga5 C T 18: 37,696,782 T761I possibly damaging Het
Pcmtd2 T C 2: 181,851,659 L219P possibly damaging Het
Pfdn1 C T 18: 36,432,305 probably null Het
Pkn3 G A 2: 30,090,584 C829Y probably benign Het
Pld1 T C 3: 28,087,189 S634P possibly damaging Het
Pofut2 T G 10: 77,262,470 V139G possibly damaging Het
Prdm12 C A 2: 31,653,871 probably null Het
Prkar2b C A 12: 32,060,938 A49S probably benign Het
Prmt1 A T 7: 44,984,136 probably null Het
Rab39 A T 9: 53,686,400 D188E probably benign Het
Repin1 G T 6: 48,597,345 E403* probably null Het
Scgb1b19 A G 7: 33,287,498 I25V probably benign Het
Scn9a A T 2: 66,484,298 I1692N probably damaging Het
Sdk1 G T 5: 142,084,491 G1137V probably damaging Het
Sec16b A G 1: 157,565,472 T950A possibly damaging Het
Senp2 G T 16: 22,038,622 R398L probably damaging Het
Sfswap G T 5: 129,550,593 probably null Het
Sh3rf1 A G 8: 61,353,753 T362A probably damaging Het
Slc17a1 A T 13: 23,888,052 I418F probably benign Het
Slc1a4 A T 11: 20,308,587 M284K probably damaging Het
Slc5a2 A T 7: 128,266,395 probably null Het
Slco5a1 A G 1: 12,990,122 V125A probably benign Het
Smu1 A G 4: 40,748,600 V230A probably benign Het
Sp4 A G 12: 118,254,404 probably null Het
Stbd1 A G 5: 92,605,557 K302R probably damaging Het
Stx2 A T 5: 128,986,417 V268D probably benign Het
Tbc1d9b G A 11: 50,161,620 A885T probably benign Het
Tbce T A 13: 14,006,478 D267V possibly damaging Het
Tert T C 13: 73,627,606 Y159H probably damaging Het
Thbs2 T A 17: 14,670,039 I1102F possibly damaging Het
Tmprss7 G C 16: 45,683,510 A183G probably benign Het
Top3b C A 16: 16,887,721 P450Q probably benign Het
Trpm6 A T 19: 18,750,045 probably null Het
Ube4a T C 9: 44,925,973 D988G probably damaging Het
Vmn1r158 A T 7: 22,790,300 S161R probably benign Het
Vps41 T C 13: 18,841,252 probably null Het
Zfp354c TCACACTCGGCACA TCACA 11: 50,815,240 probably benign Het
Zfp617 T A 8: 71,928,189 probably null Het
Zfp808 C T 13: 62,171,505 H183Y probably benign Het
Zfy1 A T Y: 725,496 C756* probably null Het
Zswim2 A T 2: 83,915,607 Y496N probably damaging Het
Other mutations in Hrh2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00720:Hrh2 APN 13 54214821 missense possibly damaging 0.83
IGL02044:Hrh2 APN 13 54214946 missense probably benign 0.09
IGL02318:Hrh2 APN 13 54214650 missense probably damaging 0.99
IGL02468:Hrh2 APN 13 54214809 missense probably benign 0.00
IGL02834:Hrh2 APN 13 54215000 missense probably benign
P0012:Hrh2 UTSW 13 54214428 missense probably benign 0.00
R4688:Hrh2 UTSW 13 54214801 missense probably benign 0.06
R7189:Hrh2 UTSW 13 54221251 missense unknown
R7207:Hrh2 UTSW 13 54214247 missense possibly damaging 0.48
R7664:Hrh2 UTSW 13 54214856 missense probably damaging 1.00
R7762:Hrh2 UTSW 13 54214039 nonsense probably null
R8053:Hrh2 UTSW 13 54214085 missense probably benign
R8726:Hrh2 UTSW 13 54214152 missense probably damaging 1.00
R9287:Hrh2 UTSW 13 54214339 missense probably benign 0.14
R9342:Hrh2 UTSW 13 54214203 missense probably damaging 1.00
R9699:Hrh2 UTSW 13 54214280 missense probably damaging 1.00
R9796:Hrh2 UTSW 13 54221222 missense probably benign
Predicted Primers PCR Primer
(F):5'- TTCATGATCAGCTTGGACCG -3'
(R):5'- GATGAATGCTCCCATGACGG -3'

Sequencing Primer
(F):5'- ATGATCAGCTTGGACCGCTACTG -3'
(R):5'- TCCCATGACGGCAGCCAG -3'
Posted On 2019-11-26