Incidental Mutation 'R8858:Orc2'
ID 675449
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 068738-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.962) question?
Stock # R8858 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 58501930-58544268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 58532857 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 127 (D127E)
Ref Sequence ENSEMBL: ENSMUSP00000027198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000190695]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: D127E

PolyPhen 2 Score 0.280 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: D127E

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114325
AA Change: D79E

PolyPhen 2 Score 0.280 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037
AA Change: D79E

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000190695
AA Change: D22E

PolyPhen 2 Score 0.280 (Sensitivity: 0.91; Specificity: 0.88)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.7%
Validation Efficiency 100% (47/47)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The origin recognition complex (ORC) is a highly conserved six subunits protein complex essential for the initiation of the DNA replication in eukaryotic cells. Studies in yeast demonstrated that ORC binds specifically to origins of replication and serves as a platform for the assembly of additional initiation factors such as Cdc6 and Mcm proteins. The protein encoded by this gene is a subunit of the ORC complex. This protein forms a core complex with ORC3, -4, and -5. It also interacts with CDC45 and MCM10, which are proteins known to be important for the initiation of DNA replication. This protein has been demonstrated to specifically associate with the origin of replication of Epstein-Barr virus in human cells, and is thought to be required for DNA replication from viral origin of replication. Alternatively spliced transcript variants have been found, one of which is a nonsense-mediated mRNA decay candidate. [provided by RefSeq, Oct 2010]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A430033K04Rik A G 5: 138,638,338 (GRCm39) Q91R probably benign Het
Abca16 G T 7: 120,052,327 (GRCm39) C465F probably benign Het
Amfr A G 8: 94,714,070 (GRCm39) Y254H probably damaging Het
Arl6ip6 A G 2: 53,093,018 (GRCm39) E181G probably damaging Het
Atp10a A G 7: 58,465,971 (GRCm39) E1066G probably damaging Het
BC034090 A G 1: 155,101,964 (GRCm39) V100A probably benign Het
Cep126 T C 9: 8,130,270 (GRCm39) M54V probably benign Het
Ciao2a T C 9: 66,039,824 (GRCm39) I47T probably damaging Het
Csmd1 A G 8: 16,120,318 (GRCm39) V1829A probably benign Het
Cyp2c54 G A 19: 40,062,227 (GRCm39) T10I probably benign Het
Dennd11 T C 6: 40,399,669 (GRCm39) N173S probably benign Het
Disc1 A G 8: 125,977,781 (GRCm39) Y799C probably damaging Het
Dnajc17 T C 2: 119,011,445 (GRCm39) T162A probably benign Het
Fhad1 T C 4: 141,666,339 (GRCm39) E695G possibly damaging Het
Gadl1 A T 9: 115,835,669 (GRCm39) S366C probably damaging Het
Gbp11 C A 5: 105,473,392 (GRCm39) E454* probably null Het
Gm32742 T A 9: 51,062,256 (GRCm39) T691S probably benign Het
Gsdma3 C A 11: 98,520,695 (GRCm39) Q109K probably benign Het
Hsph1 A T 5: 149,548,576 (GRCm39) V482E probably damaging Het
Ighv1-23 T A 12: 114,728,083 (GRCm39) Y113F probably benign Het
Lactb G T 9: 66,863,182 (GRCm39) Y477* probably null Het
Lgr6 T C 1: 134,923,849 (GRCm39) probably null Het
Lrp1b T C 2: 41,560,827 (GRCm39) probably benign Het
Map3k4 A C 17: 12,490,759 (GRCm39) L224R probably damaging Het
Mex3d A T 10: 80,217,217 (GRCm39) C667S unknown Het
Myh8 A G 11: 67,192,820 (GRCm39) E1537G possibly damaging Het
Myo5a T C 9: 75,091,965 (GRCm39) S1205P probably damaging Het
Nfic A T 10: 81,262,965 (GRCm39) probably benign Het
Nrcam T A 12: 44,644,554 (GRCm39) probably benign Het
Or2aj6 A G 16: 19,443,109 (GRCm39) V247A probably damaging Het
Or4f54 G A 2: 111,123,503 (GRCm39) V297M probably benign Het
Ppp2r5c T A 12: 110,519,329 (GRCm39) probably null Het
Ptpn18 A G 1: 34,502,196 (GRCm39) T71A possibly damaging Het
Ptpru T C 4: 131,526,825 (GRCm39) probably benign Het
Ralgapa2 C A 2: 146,102,285 (GRCm39) probably null Het
Rnase9 G A 14: 51,276,766 (GRCm39) P71S Het
Ryr1 A G 7: 28,808,638 (GRCm39) L485P probably benign Het
Sardh T C 2: 27,118,302 (GRCm39) D476G probably null Het
Sorbs3 T C 14: 70,438,850 (GRCm39) Y170C probably damaging Het
Spata31e4 T C 13: 50,855,423 (GRCm39) S354P probably benign Het
St8sia5 C T 18: 77,320,511 (GRCm39) P88S probably benign Het
Tmprss15 A G 16: 78,854,497 (GRCm39) probably null Het
Tnfrsf13b A G 11: 61,038,363 (GRCm39) I215M possibly damaging Het
Unc13d G T 11: 115,953,618 (GRCm39) L1052M probably damaging Het
Vasn A G 16: 4,466,833 (GRCm39) D260G probably benign Het
Wdr77 T C 3: 105,868,978 (GRCm39) V116A probably damaging Het
Zfp560 A G 9: 20,260,403 (GRCm39) I153T probably benign Het
Zfp672 G A 11: 58,208,145 (GRCm39) R59C possibly damaging Het
Other mutations in Orc2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00434:Orc2 APN 1 58,532,875 (GRCm39) missense possibly damaging 0.81
IGL00549:Orc2 APN 1 58,520,201 (GRCm39) missense probably benign 0.00
IGL01343:Orc2 APN 1 58,532,014 (GRCm39) critical splice donor site probably null
IGL01357:Orc2 APN 1 58,536,552 (GRCm39) missense probably benign 0.00
IGL01357:Orc2 APN 1 58,536,551 (GRCm39) missense probably benign 0.26
IGL02167:Orc2 APN 1 58,522,798 (GRCm39) unclassified probably benign
IGL02343:Orc2 APN 1 58,508,825 (GRCm39) critical splice donor site probably null
IGL02548:Orc2 APN 1 58,505,281 (GRCm39) unclassified probably benign
R0557:Orc2 UTSW 1 58,508,846 (GRCm39) missense probably damaging 1.00
R1470:Orc2 UTSW 1 58,520,317 (GRCm39) unclassified probably benign
R1886:Orc2 UTSW 1 58,510,247 (GRCm39) critical splice acceptor site probably null
R2065:Orc2 UTSW 1 58,508,854 (GRCm39) missense probably damaging 1.00
R3848:Orc2 UTSW 1 58,520,151 (GRCm39) missense probably benign 0.08
R4389:Orc2 UTSW 1 58,514,020 (GRCm39) missense probably benign 0.21
R4393:Orc2 UTSW 1 58,506,809 (GRCm39) critical splice donor site probably null
R4613:Orc2 UTSW 1 58,539,468 (GRCm39) nonsense probably null
R5183:Orc2 UTSW 1 58,513,977 (GRCm39) missense possibly damaging 0.83
R5652:Orc2 UTSW 1 58,505,231 (GRCm39) missense probably damaging 0.99
R5793:Orc2 UTSW 1 58,536,547 (GRCm39) start codon destroyed probably null 0.27
R5997:Orc2 UTSW 1 58,511,547 (GRCm39) missense probably damaging 1.00
R6007:Orc2 UTSW 1 58,506,851 (GRCm39) missense probably benign 0.03
R6330:Orc2 UTSW 1 58,539,493 (GRCm39) missense probably benign
R6656:Orc2 UTSW 1 58,532,818 (GRCm39) critical splice donor site probably null
R6923:Orc2 UTSW 1 58,539,534 (GRCm39) missense probably benign 0.01
R6934:Orc2 UTSW 1 58,539,523 (GRCm39) missense probably benign 0.28
R7354:Orc2 UTSW 1 58,508,906 (GRCm39) missense possibly damaging 0.96
R7718:Orc2 UTSW 1 58,519,476 (GRCm39) missense possibly damaging 0.65
R7950:Orc2 UTSW 1 58,506,827 (GRCm39) missense possibly damaging 0.64
R8820:Orc2 UTSW 1 58,515,639 (GRCm39) missense probably benign 0.30
R8956:Orc2 UTSW 1 58,505,221 (GRCm39) missense probably damaging 0.98
R8978:Orc2 UTSW 1 58,511,499 (GRCm39) missense possibly damaging 0.82
R9126:Orc2 UTSW 1 58,515,628 (GRCm39) missense probably benign 0.41
R9210:Orc2 UTSW 1 58,515,695 (GRCm39) missense probably damaging 1.00
R9212:Orc2 UTSW 1 58,515,695 (GRCm39) missense probably damaging 1.00
R9406:Orc2 UTSW 1 58,506,842 (GRCm39) missense probably damaging 1.00
R9746:Orc2 UTSW 1 58,536,610 (GRCm39) missense probably damaging 1.00
Z1088:Orc2 UTSW 1 58,515,675 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- ACAGATGACTTTCTGCCCTTTATTG -3'
(R):5'- TTCTGGGAAGACATCTTAACGGC -3'

Sequencing Primer
(F):5'- AAATTGCATTCTGGCCAGGC -3'
(R):5'- GCTACTTTGCTCTCTGTTGA -3'
Posted On 2021-07-15