Incidental Mutation 'R8329:Guca2b'
ID 644245
Institutional Source Beutler Lab
Gene Symbol Guca2b
Ensembl Gene ENSMUSG00000032978
Gene Name guanylate cyclase activator 2b (retina)
Synonyms Gcap2, uroguanylin
MMRRC Submission 067859-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.116) question?
Stock # R8329 (G1)
Quality Score 225.009
Status Validated
Chromosome 4
Chromosomal Location 119513798-119516142 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 119516001 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Glycine at position 18 (S18G)
Ref Sequence ENSEMBL: ENSMUSP00000043203 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000044426] [ENSMUST00000106309]
AlphaFold O09051
Predicted Effect unknown
Transcript: ENSMUST00000044426
AA Change: S18G
SMART Domains Protein: ENSMUSP00000043203
Gene: ENSMUSG00000032978
AA Change: S18G

DomainStartEndE-ValueType
Pfam:Guanylin 20 106 9e-38 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000106309
SMART Domains Protein: ENSMUSP00000101916
Gene: ENSMUSG00000032978

DomainStartEndE-ValueType
Pfam:Guanylin 47 130 2.4e-33 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.9%
Validation Efficiency 100% (62/62)
MGI Phenotype FUNCTION: This gene encodes a member of the guanylin family and preproprotein that is proteolytically processed to generate a mature protein product. The mature protein product, known as uroguanylin, is an endogenous ligand for the guanylate cyclase-C receptor and may regulate salt and water homeostasis in the intestine and kidneys. Homozygous knockout mice for this gene exhibit impaired sodium chloride excretion and elevated arterial pressure. This gene is present in a gene cluster with a related guanylin family member on chromosome 4. [provided by RefSeq, Sep 2015]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit elevated blood pressure, increased sodium levels, and reduced sodium, potassium, and fluid excretion following salt loading. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933430I17Rik T A 4: 62,461,978 (GRCm39) probably null Het
Ackr4 A G 9: 103,976,660 (GRCm39) F96L possibly damaging Het
Aco1 T C 4: 40,186,376 (GRCm39) I596T possibly damaging Het
Aff3 G A 1: 38,244,135 (GRCm39) R879W probably benign Het
Apob A G 12: 8,061,135 (GRCm39) R3206G probably damaging Het
Atg7 T A 6: 114,663,057 (GRCm39) D224E possibly damaging Het
Capn12 T C 7: 28,582,626 (GRCm39) F167S probably damaging Het
Ccdc3 T G 2: 5,233,848 (GRCm39) V224G probably damaging Het
Ces4a G A 8: 105,874,714 (GRCm39) V452I probably damaging Het
Cherp G A 8: 73,215,852 (GRCm39) R834C Het
Clptm1l T A 13: 73,760,547 (GRCm39) I310N probably damaging Het
Cog3 A T 14: 75,978,003 (GRCm39) D230E probably damaging Het
Crb1 T A 1: 139,165,005 (GRCm39) I1101F probably damaging Het
Cts6 A T 13: 61,343,282 (GRCm39) M313K probably damaging Het
Cyp2c66 T A 19: 39,174,906 (GRCm39) C435* probably null Het
Defb13 A G 8: 22,438,562 (GRCm39) E40G probably benign Het
Dis3l T C 9: 64,219,112 (GRCm39) D606G possibly damaging Het
Dop1b T C 16: 93,568,675 (GRCm39) L1579P probably damaging Het
Foxa3 A G 7: 18,748,109 (GRCm39) V339A probably benign Het
Gcn1 G A 5: 115,747,921 (GRCm39) G1776E probably damaging Het
Gls2 A G 10: 128,037,154 (GRCm39) T232A probably benign Het
Gprc6a A T 10: 51,503,355 (GRCm39) Y169* probably null Het
Hars2 A G 18: 36,922,288 (GRCm39) D301G possibly damaging Het
Haus5 T A 7: 30,358,984 (GRCm39) Q226L possibly damaging Het
Hc G A 2: 34,902,910 (GRCm39) probably null Het
Hivep2 T C 10: 14,004,011 (GRCm39) V203A probably damaging Het
Hoxc8 A G 15: 102,899,543 (GRCm39) Y111C probably damaging Het
Hoxd13 G T 2: 74,498,661 (GRCm39) R3L probably benign Het
Hspa8 T G 9: 40,713,897 (GRCm39) I130S probably damaging Het
Ier5l C A 2: 30,362,861 (GRCm39) C388F possibly damaging Het
Ldc1 C T 4: 130,109,156 (GRCm39) V295M possibly damaging Het
Lmx1a A G 1: 167,517,372 (GRCm39) N10S probably benign Het
Map2 T C 1: 66,454,272 (GRCm39) I1054T probably benign Het
Me1 C T 9: 86,501,790 (GRCm39) D268N probably damaging Het
Muc6 G A 7: 141,226,525 (GRCm39) P1501S unknown Het
Myo1d T C 11: 80,528,900 (GRCm39) M641V probably benign Het
Nuggc G A 14: 65,878,731 (GRCm39) R667K probably benign Het
Oprl1 T A 2: 181,360,717 (GRCm39) C231S probably damaging Het
Or11g26 T C 14: 50,753,015 (GRCm39) F118S probably damaging Het
Or13p10 A C 4: 118,523,604 (GRCm39) N297H probably damaging Het
Pard3b C A 1: 62,676,957 (GRCm39) Q1163K probably benign Het
Pik3c2a T C 7: 116,017,283 (GRCm39) Y158C probably damaging Het
Prune2 T G 19: 17,098,629 (GRCm39) S1378A probably benign Het
Ralgps2 G T 1: 156,712,110 (GRCm39) T158K probably damaging Het
Rbm42 T A 7: 30,344,582 (GRCm39) E227V unknown Het
Ripor3 T C 2: 167,825,119 (GRCm39) R797G possibly damaging Het
Ryr3 T A 2: 112,492,855 (GRCm39) H3764L possibly damaging Het
Sbno2 T C 10: 79,900,221 (GRCm39) Y541C probably damaging Het
Scn5a A G 9: 119,365,030 (GRCm39) V396A probably damaging Het
Slc36a3 A G 11: 55,039,409 (GRCm39) L73P probably damaging Het
Spag16 T C 1: 69,934,407 (GRCm39) I278T probably benign Het
Stx18 T A 5: 38,285,450 (GRCm39) L274* probably null Het
Terb1 A T 8: 105,211,003 (GRCm39) N341K probably damaging Het
Timm29 A G 9: 21,505,001 (GRCm39) Y223C probably damaging Het
Tmprss2 T A 16: 97,369,665 (GRCm39) M370L probably benign Het
Tmtc3 T A 10: 100,283,296 (GRCm39) N753I probably damaging Het
Tnpo3 A T 6: 29,558,832 (GRCm39) C699* probably null Het
Trav5d-4 G A 14: 53,239,208 (GRCm39) W13* probably null Het
Trdn A G 10: 33,320,074 (GRCm39) probably null Het
Tsg101 A T 7: 46,558,808 (GRCm39) Y68N probably damaging Het
Ttn A G 2: 76,664,062 (GRCm39) V11649A unknown Het
Wnk2 A T 13: 49,248,914 (GRCm39) V379D probably damaging Het
Xpnpep1 A G 19: 52,990,903 (GRCm39) probably null Het
Yme1l1 C T 2: 23,054,597 (GRCm39) Q139* probably null Het
Other mutations in Guca2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02971:Guca2b APN 4 119,514,885 (GRCm39) missense probably damaging 1.00
R1635:Guca2b UTSW 4 119,514,912 (GRCm39) missense probably damaging 0.96
R2133:Guca2b UTSW 4 119,514,828 (GRCm39) missense probably benign 0.02
R4696:Guca2b UTSW 4 119,513,996 (GRCm39) missense probably damaging 1.00
R6291:Guca2b UTSW 4 119,514,890 (GRCm39) missense probably damaging 1.00
R7156:Guca2b UTSW 4 119,514,887 (GRCm39) missense probably damaging 1.00
R9469:Guca2b UTSW 4 119,515,817 (GRCm39) nonsense probably null
RF011:Guca2b UTSW 4 119,514,044 (GRCm39) missense possibly damaging 0.93
Predicted Primers PCR Primer
(F):5'- AGGGTTCCTTCCACACTGTG -3'
(R):5'- CCCCAGCCAGACAGTTAATAAGTG -3'

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