Incidental Mutation 'R8820:Orc2'
ID 672956
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 068653-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.962) question?
Stock # R8820 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 58501930-58544268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 58515639 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Aspartic acid at position 290 (N290D)
Ref Sequence ENSEMBL: ENSMUSP00000027198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000114337]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: N290D

PolyPhen 2 Score 0.300 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: N290D

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000114325
AA Change: N242D

PolyPhen 2 Score 0.670 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037
AA Change: N242D

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114337
SMART Domains Protein: ENSMUSP00000109976
Gene: ENSMUSG00000026036

DomainStartEndE-ValueType
Pfam:NIF3 31 324 4e-61 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.4%
Validation Efficiency 100% (58/58)
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: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 A G 17: 24,547,576 (GRCm39) L266P probably damaging Het
Abcb1a A T 5: 8,773,204 (GRCm39) T811S possibly damaging Het
Als2cl T C 9: 110,714,855 (GRCm39) F125L probably benign Het
Arhgap33 T C 7: 30,228,165 (GRCm39) I406V probably benign Het
Cdyl T C 13: 36,042,174 (GRCm39) I404T probably damaging Het
Cemip2 G A 19: 21,784,818 (GRCm39) V434M probably damaging Het
Clasrp C T 7: 19,320,362 (GRCm39) R432H unknown Het
Clk2 T A 3: 89,082,730 (GRCm39) M392K probably damaging Het
Cps1 T A 1: 67,267,439 (GRCm39) N1402K possibly damaging Het
Cyp2u1 T C 3: 131,092,016 (GRCm39) H168R probably damaging Het
Dapl1 T C 2: 59,335,056 (GRCm39) L70P probably damaging Het
Ddr2 T A 1: 169,805,483 (GRCm39) K836* probably null Het
Dsel A G 1: 111,787,994 (GRCm39) L847P probably benign Het
Fbxw17 A T 13: 50,587,351 (GRCm39) K437M possibly damaging Het
Fktn T C 4: 53,735,001 (GRCm39) V174A possibly damaging Het
Frem1 C A 4: 82,821,754 (GRCm39) S2118I probably damaging Het
Fzd8 G A 18: 9,213,247 (GRCm39) V110M unknown Het
Gabrb3 T C 7: 57,442,329 (GRCm39) S212P probably damaging Het
Gimap9 A G 6: 48,654,821 (GRCm39) D136G probably benign Het
Gldc C G 19: 30,078,212 (GRCm39) M928I probably benign Het
Hmmr G A 11: 40,612,499 (GRCm39) S206F probably damaging Het
Ift46 C T 9: 44,701,819 (GRCm39) T283I probably damaging Het
Il36b C T 2: 24,049,892 (GRCm39) Q168* probably null Het
Ldb2 G A 5: 44,956,757 (GRCm39) Q27* probably null Het
Lmcd1 T A 6: 112,306,770 (GRCm39) I314N probably damaging Het
Lypd9 T G 11: 58,337,129 (GRCm39) S115R probably damaging Het
Mctp2 C A 7: 71,879,081 (GRCm39) V259L probably benign Het
Midn T G 10: 79,990,234 (GRCm39) S302A probably damaging Het
Ncor2 A G 5: 125,106,291 (GRCm39) V797A Het
Npm2 A G 14: 70,885,768 (GRCm39) S146P probably damaging Het
Npr1 G A 3: 90,372,201 (GRCm39) R204C probably damaging Het
Or1j10 T C 2: 36,267,006 (GRCm39) S73P probably damaging Het
Or1n1b C A 2: 36,780,622 (GRCm39) M79I probably benign Het
Or52n3 T A 7: 104,530,862 (GRCm39) V316D possibly damaging Het
Or6e1 C T 14: 54,520,070 (GRCm39) G94D probably benign Het
Paip2b A C 6: 83,791,738 (GRCm39) M48R probably damaging Het
Pcdhb15 T A 18: 37,606,971 (GRCm39) S68T probably benign Het
Pcnx1 T A 12: 82,020,022 (GRCm39) H715Q Het
Pcsk2 T A 2: 143,642,990 (GRCm39) H422Q probably damaging Het
Pdzph1 G C 17: 59,187,715 (GRCm39) Y1168* probably null Het
Peli2 G A 14: 48,490,130 (GRCm39) E201K possibly damaging Het
Prelp T C 1: 133,842,878 (GRCm39) N89S probably damaging Het
Proz T A 8: 13,113,253 (GRCm39) F25I probably damaging Het
Rapgef3 T C 15: 97,646,538 (GRCm39) N799S probably benign Het
Relch T A 1: 105,654,179 (GRCm39) F873L possibly damaging Het
Ryr3 G A 2: 112,466,137 (GRCm39) R4795W probably damaging Het
Ryr3 A G 2: 112,690,069 (GRCm39) V1180A probably benign Het
Scn11a T C 9: 119,645,586 (GRCm39) I123V probably benign Het
Sema4b G C 7: 79,870,248 (GRCm39) E475D probably damaging Het
Serinc2 C A 4: 130,149,172 (GRCm39) M343I probably damaging Het
Serinc5 G T 13: 92,844,544 (GRCm39) V429F probably benign Het
Smyd2 T A 1: 189,632,018 (GRCm39) K115N probably benign Het
Tenm3 T G 8: 48,763,759 (GRCm39) D765A probably damaging Het
Unc13d AATGCCTCCCATGCC AATGCCTCCCATGCCTCCCATGCC 11: 115,958,998 (GRCm39) probably benign Het
Ythdc2 C T 18: 44,967,531 (GRCm39) R176* probably null Het
Zfp27 T C 7: 29,594,013 (GRCm39) K651E probably benign 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
R8858:Orc2 UTSW 1 58,532,857 (GRCm39) missense probably benign 0.28
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'- GGGCCAACCTGTGATCAATAC -3'
(R):5'- AACTGCAGGTTTAGGGGATCTG -3'

Sequencing Primer
(F):5'- GGCTGTCCTGAACTCACTATGAAG -3'
(R):5'- GGATCTGATGTGCTCTTCTGACC -3'
Posted On 2021-04-30