Incidental Mutation 'IGL03046:Mtnr1b'
ID 391864
Institutional Source Beutler Lab
Gene Symbol Mtnr1b
Ensembl Gene ENSMUSG00000050901
Gene Name melatonin receptor 1B
Synonyms Mel1b, Mt2
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # IGL03046 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 15773910-15785852 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 15774059 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Methionine at position 333 (I333M)
Ref Sequence ENSEMBL: ENSMUSP00000138524 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000057920] [ENSMUST00000182947]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000057920
AA Change: I333M

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000053086
Gene: ENSMUSG00000050901
AA Change: I333M

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 48 254 3.7e-11 PFAM
Pfam:7TM_GPCR_Srsx 51 323 2.6e-12 PFAM
Pfam:7tm_1 57 308 3.4e-47 PFAM
Pfam:7TM_GPCR_Srv 59 317 1.1e-7 PFAM
low complexity region 348 359 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000182947
AA Change: I333M

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000138524
Gene: ENSMUSG00000050901
AA Change: I333M

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 48 264 1.8e-10 PFAM
Pfam:7TM_GPCR_Srsx 51 323 2.6e-12 PFAM
Pfam:7tm_1 57 308 1.4e-50 PFAM
Pfam:7TM_GPCR_Srv 59 319 7.5e-8 PFAM
low complexity region 348 359 N/A INTRINSIC
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 0.0%
  • 3x: 0.0%
  • 10x: 0.0%
  • 20x: 0.0%
Validation Efficiency 98% (54/55)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of two high affinity forms of a receptor for melatonin, the primary hormone secreted by the pineal gland. This gene product is an integral membrane protein that is a G-protein coupled, 7-transmembrane receptor. It is found primarily in the retina and brain although this detection requires RT-PCR. It is thought to participate in light-dependent functions in the retina and may be involved in the neurobiological effects of melatonin. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele are viable and fertile and display no obvious circadian phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2m T A 6: 121,636,282 (GRCm39) M717K probably benign Het
Acad12 C A 5: 121,748,029 (GRCm39) V130L probably benign Het
Cdca2 T C 14: 67,937,471 (GRCm39) probably benign Het
Cfap100 T A 6: 90,389,332 (GRCm39) probably null Het
Cfap43 T A 19: 47,804,302 (GRCm39) E298V probably damaging Het
Cic C T 7: 24,990,500 (GRCm39) P1971S probably damaging Het
Cnga1 T C 5: 72,761,681 (GRCm39) D611G probably benign Het
Daglb C T 5: 143,486,948 (GRCm39) P522L probably damaging Het
Dclre1b A T 3: 103,710,597 (GRCm39) I438K probably benign Het
Ddx5 C A 11: 106,675,871 (GRCm39) R273M probably damaging Het
Eepd1 C T 9: 25,393,981 (GRCm39) L82F probably damaging Het
Emilin3 G A 2: 160,750,649 (GRCm39) Q320* probably null Het
Exoc6 T C 19: 37,582,217 (GRCm39) probably null Het
Fcna G C 2: 25,520,693 (GRCm39) probably benign Het
Foxs1 T C 2: 152,774,484 (GRCm39) T190A probably benign Het
Gje1 A G 10: 14,592,374 (GRCm39) L136P probably damaging Het
Hdac11 A G 6: 91,145,827 (GRCm39) T176A probably benign Het
Hhip C A 8: 80,698,967 (GRCm39) V700L probably damaging Het
Hps5 T C 7: 46,426,463 (GRCm39) probably benign Het
Itgb1bp1 T C 12: 21,329,436 (GRCm39) S13G unknown Het
Kcna1 A T 6: 126,619,148 (GRCm39) L391M possibly damaging Het
Kif1a C T 1: 93,010,128 (GRCm39) V6M probably damaging Het
Klhl6 T C 16: 19,801,639 (GRCm39) I39V probably benign Het
Lpcat4 C A 2: 112,072,334 (GRCm39) silent Het
Ltn1 A T 16: 87,202,509 (GRCm39) S1047R probably benign Het
Mdn1 A G 4: 32,694,495 (GRCm39) T1073A possibly damaging Het
Megf10 G T 18: 57,421,055 (GRCm39) A898S possibly damaging Het
Mtmr6 T C 14: 60,529,577 (GRCm39) probably null Het
Muc5ac G T 7: 141,348,950 (GRCm39) C463F probably benign Het
Mycbpap G T 11: 94,396,543 (GRCm39) T99N possibly damaging Het
Myo7a C T 7: 97,728,534 (GRCm39) C824Y probably damaging Het
N4bp2 A G 5: 65,948,303 (GRCm39) H311R probably damaging Het
Nepro T A 16: 44,552,509 (GRCm39) probably benign Het
Nop56 A T 2: 130,117,489 (GRCm39) probably benign Het
Nup210 A G 6: 90,995,978 (GRCm39) probably benign Het
Or4d10c A G 19: 12,065,391 (GRCm39) V255A probably damaging Het
Or7g25 T A 9: 19,160,441 (GRCm39) I85F probably damaging Het
Pcna C T 2: 132,093,673 (GRCm39) E109K probably benign Het
Pgap6 A T 17: 26,338,414 (GRCm39) probably null Het
Pkhd1 T G 1: 20,607,589 (GRCm39) D1089A possibly damaging Het
Plb1 A G 5: 32,485,756 (GRCm39) R847G probably damaging Het
Pou6f2 A G 13: 18,303,612 (GRCm39) probably benign Het
Prss43 C G 9: 110,660,049 (GRCm39) S371C probably benign Het
Ralgapa1 A T 12: 55,741,942 (GRCm39) V1322D probably damaging Het
Rrp8 A G 7: 105,384,109 (GRCm39) V131A probably benign Het
Rtp1 A T 16: 23,248,044 (GRCm39) K39M probably benign Het
Sanbr A T 11: 23,565,150 (GRCm39) L279Q possibly damaging Het
Slc1a6 A G 10: 78,636,008 (GRCm39) I358V probably benign Het
Slc25a15 T C 8: 22,885,726 (GRCm39) probably benign Het
Slc43a1 G A 2: 84,684,897 (GRCm39) probably benign Het
Speer4c1 A C 5: 15,919,214 (GRCm39) probably benign Het
Spock3 T G 8: 63,802,018 (GRCm39) probably null Het
Tbc1d7 T C 13: 43,308,162 (GRCm39) probably null Het
Tmem184c C T 8: 78,326,286 (GRCm39) W260* probably null Het
Trnau1ap A G 4: 132,039,252 (GRCm39) Y265H probably damaging Het
Usp25 T C 16: 76,871,754 (GRCm39) F363S probably damaging Het
Vcl T C 14: 21,072,085 (GRCm39) F817L possibly damaging Het
Vmn1r13 T A 6: 57,187,717 (GRCm39) M292K probably benign Het
Xpc G T 6: 91,487,463 (GRCm39) A89E probably damaging Het
Other mutations in Mtnr1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01548:Mtnr1b APN 9 15,774,496 (GRCm39) missense probably damaging 1.00
IGL02041:Mtnr1b APN 9 15,774,589 (GRCm39) missense probably benign 0.01
IGL02054:Mtnr1b APN 9 15,785,536 (GRCm39) missense possibly damaging 0.93
IGL02147:Mtnr1b APN 9 15,774,672 (GRCm39) missense probably damaging 0.96
IGL02620:Mtnr1b APN 9 15,785,617 (GRCm39) missense possibly damaging 0.47
R0362:Mtnr1b UTSW 9 15,785,600 (GRCm39) missense probably damaging 1.00
R0784:Mtnr1b UTSW 9 15,774,081 (GRCm39) missense probably benign 0.17
R1323:Mtnr1b UTSW 9 15,774,432 (GRCm39) missense probably damaging 1.00
R1323:Mtnr1b UTSW 9 15,774,432 (GRCm39) missense probably damaging 1.00
R1572:Mtnr1b UTSW 9 15,774,438 (GRCm39) missense probably damaging 0.99
R1600:Mtnr1b UTSW 9 15,774,615 (GRCm39) missense probably damaging 0.99
R2880:Mtnr1b UTSW 9 15,774,102 (GRCm39) missense probably damaging 1.00
R2932:Mtnr1b UTSW 9 15,785,620 (GRCm39) missense probably damaging 0.97
R4033:Mtnr1b UTSW 9 15,774,830 (GRCm39) missense probably damaging 1.00
R5532:Mtnr1b UTSW 9 15,774,210 (GRCm39) missense probably benign
R5765:Mtnr1b UTSW 9 15,774,459 (GRCm39) missense probably damaging 1.00
R5775:Mtnr1b UTSW 9 15,774,168 (GRCm39) missense possibly damaging 0.73
R5893:Mtnr1b UTSW 9 15,774,540 (GRCm39) missense probably damaging 0.98
R6025:Mtnr1b UTSW 9 15,774,093 (GRCm39) missense probably damaging 1.00
R6247:Mtnr1b UTSW 9 15,774,082 (GRCm39) missense probably benign
R6349:Mtnr1b UTSW 9 15,774,509 (GRCm39) nonsense probably null
R6364:Mtnr1b UTSW 9 15,774,300 (GRCm39) missense possibly damaging 0.63
R7485:Mtnr1b UTSW 9 15,774,590 (GRCm39) nonsense probably null
R8114:Mtnr1b UTSW 9 15,785,563 (GRCm39) missense probably damaging 0.98
R8707:Mtnr1b UTSW 9 15,785,809 (GRCm39) start gained probably benign
R8750:Mtnr1b UTSW 9 15,785,724 (GRCm39) nonsense probably null
R9405:Mtnr1b UTSW 9 15,774,447 (GRCm39) missense possibly damaging 0.63
R9442:Mtnr1b UTSW 9 15,785,660 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- CACTTGAGTTCACCAGTTGTG -3'
(R):5'- ACTGTATCGGCCTTGCAGTG -3'

Sequencing Primer
(F):5'- GGATGCAGTGTGAGCAATTG -3'
(R):5'- TTGCAGTGGCCATCAACC -3'
Posted On 2016-06-07