Incidental Mutation 'R7950:Orc2'
ID 649490
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 045995-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.962) question?
Stock # R7950 (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 58506827 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 503 (D503G)
Ref Sequence ENSEMBL: ENSMUSP00000027198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000087521] [ENSMUST00000114325] [ENSMUST00000114337]
AlphaFold Q60862
Predicted Effect possibly damaging
Transcript: ENSMUST00000027198
AA Change: D503G

PolyPhen 2 Score 0.638 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: D503G

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000087521
SMART Domains Protein: ENSMUSP00000084799
Gene: ENSMUSG00000026036

DomainStartEndE-ValueType
Pfam:NIF3 31 363 1.9e-82 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000114325
AA Change: D455G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037
AA Change: D455G

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
Meta Mutation Damage Score 0.2075 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrf5 G A 17: 43,762,048 (GRCm39) V1248M probably damaging Het
Alb T C 5: 90,620,323 (GRCm39) S478P probably damaging Het
Arhgap17 A G 7: 122,886,039 (GRCm39) S698P probably benign Het
Arhgef5 A G 6: 43,250,859 (GRCm39) T537A possibly damaging Het
Arl6 A T 16: 59,439,094 (GRCm39) probably null Het
Atp13a4 A T 16: 29,268,735 (GRCm39) W540R Het
Birc6 A T 17: 74,900,095 (GRCm39) D1091V probably damaging Het
Bnc1 A G 7: 81,623,250 (GRCm39) V659A probably benign Het
C130074G19Rik T C 1: 184,606,571 (GRCm39) probably null Het
C1ql4 T A 15: 98,982,693 (GRCm39) H220L probably benign Het
Cacna1s A G 1: 136,028,363 (GRCm39) N1147S probably benign Het
Cc2d2a T C 5: 43,852,638 (GRCm39) probably null Het
Ccl1 T A 11: 82,070,519 (GRCm39) I18L probably benign Het
Cfap410 C T 10: 77,815,601 (GRCm39) T31I probably damaging Het
Ecel1 A T 1: 87,075,991 (GRCm39) Y729N probably damaging Het
Epha4 T A 1: 77,483,833 (GRCm39) I59F probably damaging Het
Filip1l A G 16: 57,390,074 (GRCm39) K221E probably damaging Het
Flnc A G 6: 29,456,381 (GRCm39) E2193G possibly damaging Het
Galnt10 C G 11: 57,674,549 (GRCm39) P513A probably damaging Het
Gm5624 A G 14: 44,798,190 (GRCm39) Y139H Het
Golgb1 A C 16: 36,735,786 (GRCm39) I1719L probably benign Het
Hsf1 T C 15: 76,382,393 (GRCm39) S255P probably benign Het
Ighv2-2 T C 12: 113,551,914 (GRCm39) D108G probably damaging Het
Iho1 T C 9: 108,282,870 (GRCm39) T273A probably benign Het
Kbtbd3 C T 9: 4,316,878 (GRCm39) Q10* probably null Het
Kcnh2 C T 5: 24,538,034 (GRCm39) V110M probably benign Het
Magi3 A C 3: 103,924,005 (GRCm39) L1112W probably damaging Het
Malrd1 T A 2: 16,132,879 (GRCm39) D1933E unknown Het
Mki67 G A 7: 135,301,453 (GRCm39) R1194* probably null Het
Nap1l1 T C 10: 111,328,769 (GRCm39) Y233H probably damaging Het
Napsa A G 7: 44,234,758 (GRCm39) I298V probably benign Het
Nkx6-1 A T 5: 101,811,465 (GRCm39) S212R probably damaging Het
Nlrc4 A T 17: 74,752,610 (GRCm39) I591N probably damaging Het
Or5b114-ps1 T C 19: 13,352,431 (GRCm39) I35T possibly damaging Het
Osbp T A 19: 11,955,612 (GRCm39) S343T probably benign Het
Pcdha6 T G 18: 37,102,479 (GRCm39) D557E probably damaging Het
Pdcd11 AGAGGAGGAGGAGGAGGAGGAGGAG AGAGGAGGAGGAGGAGGAGGAG 19: 47,101,876 (GRCm39) probably benign Het
Ppdpf A G 2: 180,829,650 (GRCm39) Y35C probably benign Het
Scrn2 T A 11: 96,921,755 (GRCm39) L75Q probably damaging Het
Scube3 G A 17: 28,390,200 (GRCm39) V955I probably benign Het
Slc1a1 T C 19: 28,889,161 (GRCm39) V478A probably benign Het
Slc4a4 A G 5: 89,206,137 (GRCm39) probably null Het
Srrm2 T C 17: 24,027,084 (GRCm39) L96P unknown Het
Strn A T 17: 78,977,852 (GRCm39) L175Q 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
R8820:Orc2 UTSW 1 58,515,639 (GRCm39) missense probably benign 0.30
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'- TCTCTAAAGATGCTGGACACTG -3'
(R):5'- CACAGGTGTCTGCAGACCTG -3'

Sequencing Primer
(F):5'- TGCTGGACACTGGCTATAGGAC -3'
(R):5'- GACCTGCCTCAGATTTTATTATAGG -3'
Posted On 2020-09-15