Incidental Mutation 'R5793:Orc2'
ID 447056
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 043208-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.962) question?
Stock # R5793 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 58501930-58544268 bp(-) (GRCm39)
Type of Mutation start codon destroyed
DNA Base Change (assembly) T to C at 58536547 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Valine at position 1 (M1V)
Ref Sequence ENSEMBL: ENSMUSP00000139869 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000190695] [ENSMUST00000191206]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: M106V

PolyPhen 2 Score 0.239 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: M106V

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: M58V

PolyPhen 2 Score 0.243 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037
AA Change: M58V

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000190695
AA Change: M1V

PolyPhen 2 Score 0.271 (Sensitivity: 0.91; Specificity: 0.88)
Predicted Effect probably null
Transcript: ENSMUST00000191206
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.7%
Validation Efficiency
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: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alox12 C A 11: 70,133,879 (GRCm39) R522L probably benign Het
Arfgef1 A T 1: 10,279,753 (GRCm39) D271E probably benign Het
Arg1 C T 10: 24,796,540 (GRCm39) V96M probably benign Het
Axin1 T C 17: 26,362,282 (GRCm39) S209P probably damaging Het
B4galnt3 A G 6: 120,185,865 (GRCm39) probably null Het
Cdh23 T A 10: 60,141,907 (GRCm39) D3058V probably damaging Het
Chd9 A G 8: 91,728,384 (GRCm39) T794A probably damaging Het
Ckap5 C T 2: 91,450,180 (GRCm39) T1891I possibly damaging Het
Cspg4b G T 13: 113,457,556 (GRCm39) V1201L possibly damaging Het
Dzank1 T C 2: 144,348,144 (GRCm39) I207M probably benign Het
Fkbp9 G A 6: 56,850,498 (GRCm39) probably null Het
Gm4781 T A 10: 100,232,529 (GRCm39) noncoding transcript Het
Gprc5c G T 11: 114,755,093 (GRCm39) V257L possibly damaging Het
Gtpbp6 G A 5: 110,255,094 (GRCm39) L33F probably benign Het
Hsd11b1 A C 1: 192,924,492 (GRCm39) F27V probably damaging Het
Ift172 A T 5: 31,434,292 (GRCm39) I482N possibly damaging Het
Kcnma1 C T 14: 23,359,103 (GRCm39) probably null Het
Ly6g2 T C 15: 75,093,493 (GRCm39) probably benign Het
Myh9 T C 15: 77,653,077 (GRCm39) Q1420R probably benign Het
Ncam2 G A 16: 81,372,991 (GRCm39) V569I possibly damaging Het
Nsd1 T C 13: 55,395,819 (GRCm39) V1140A probably benign Het
Ogdhl T A 14: 32,054,730 (GRCm39) L226Q probably damaging Het
Or51a24 T C 7: 103,734,237 (GRCm39) T17A probably benign Het
Padi2 T C 4: 140,660,501 (GRCm39) L327P probably benign Het
Palb2 T C 7: 121,726,860 (GRCm39) N337D probably benign Het
Pard3b A T 1: 61,807,132 (GRCm39) H49L probably damaging Het
Pigz T C 16: 31,764,285 (GRCm39) S448P probably benign Het
Ppfia4 A G 1: 134,239,844 (GRCm39) V911A probably damaging Het
Prr5 T A 15: 84,656,223 (GRCm39) M408K probably benign Het
Qser1 T C 2: 104,593,205 (GRCm39) Y1604C probably damaging Het
Rpgrip1l A G 8: 91,987,400 (GRCm39) S886P probably benign Het
Sdk2 T C 11: 113,759,778 (GRCm39) I408V possibly damaging Het
Sema7a A T 9: 57,867,540 (GRCm39) R431W probably damaging Het
Slc22a30 T A 19: 8,314,183 (GRCm39) Y501F possibly damaging Het
Slitrk5 T A 14: 111,917,345 (GRCm39) V323D probably damaging Het
Snap47 C T 11: 59,329,018 (GRCm39) E95K probably damaging Het
Tbc1d9 A T 8: 83,998,069 (GRCm39) I1209F probably damaging Het
Tek T A 4: 94,708,333 (GRCm39) M297K probably benign Het
Tmem132e T A 11: 82,335,684 (GRCm39) I922N probably damaging Het
Tmx2 T C 2: 84,506,501 (GRCm39) R64G probably damaging Het
Trim68 A T 7: 102,333,560 (GRCm39) S41T possibly damaging Het
Tsga10 A T 1: 37,874,540 (GRCm39) M115K probably damaging Het
Ttc23l G T 15: 10,551,636 (GRCm39) T30K possibly damaging Het
Vmn2r84 C T 10: 130,221,754 (GRCm39) C822Y probably damaging Het
Wdr72 C T 9: 74,117,625 (GRCm39) A779V probably benign Het
Zfp580 A T 7: 5,055,891 (GRCm39) probably benign Het
Zfp772 G A 7: 7,207,283 (GRCm39) T136I 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
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
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'- GCCTATAGTACTTGGTCAGTAATAACT -3'
(R):5'- AAGGTAGTAAGGGGTATAACTTTCAG -3'

Sequencing Primer
(F):5'- TTACAGCAGCTCAGGATGTC -3'
(R):5'- GGAAACGGCTCTGCTAAA -3'
Posted On 2016-12-15