Incidental Mutation 'R6923:Orc2'
ID 539709
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 045381-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.962) question?
Stock # R6923 (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 G at 58539534 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Serine at position 35 (L35S)
Ref Sequence ENSEMBL: ENSMUSP00000141138 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000190695] [ENSMUST00000191206]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: L35S

PolyPhen 2 Score 0.015 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: L35S

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114325
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000190695
Predicted Effect probably benign
Transcript: ENSMUST00000191206
AA Change: L35S

PolyPhen 2 Score 0.015 (Sensitivity: 0.96; Specificity: 0.79)
Meta Mutation Damage Score 0.0596 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.2%
  • 20x: 97.4%
Validation Efficiency 100% (59/59)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Albfm1 A G 5: 90,725,652 (GRCm39) N288S probably benign Het
Ap4b1 T A 3: 103,719,530 (GRCm39) D81E probably benign Het
Atg16l1 A T 1: 87,702,078 (GRCm39) probably null Het
Atp11a A G 8: 12,906,949 (GRCm39) T459A probably damaging Het
Bloc1s5 T A 13: 38,815,040 (GRCm39) I40F probably damaging Het
Bltp2 T A 11: 78,165,452 (GRCm39) S1323T possibly damaging Het
Capn5 T A 7: 97,778,461 (GRCm39) Q386L probably damaging Het
Cbfa2t2 C T 2: 154,376,903 (GRCm39) H529Y probably damaging Het
Cd3d T C 9: 44,897,157 (GRCm39) probably benign Het
Cenpa A G 5: 30,829,806 (GRCm39) probably null Het
Chit1 A T 1: 134,077,163 (GRCm39) Y322F probably null Het
Cntnap5c T A 17: 58,399,345 (GRCm39) N399K possibly damaging Het
Dock8 A T 19: 25,072,970 (GRCm39) T417S probably benign Het
Firrm A G 1: 163,814,454 (GRCm39) probably null Het
Fkbp2 A G 19: 6,956,537 (GRCm39) Het
Fsip1 G A 2: 118,080,394 (GRCm39) R121C probably benign Het
Gbp2b T C 3: 142,306,320 (GRCm39) I131T probably benign Het
Gm12695 T C 4: 96,658,053 (GRCm39) N39D probably benign Het
Gm4922 T C 10: 18,659,616 (GRCm39) R369G probably damaging Het
Gpatch3 C T 4: 133,309,836 (GRCm39) L390F probably damaging Het
Gpd2 G A 2: 57,245,800 (GRCm39) M443I probably damaging Het
Gpt2 G A 8: 86,244,681 (GRCm39) E325K probably benign Het
Hdac1-ps A G 17: 78,800,343 (GRCm39) T445A possibly damaging Het
Jph3 A G 8: 122,480,110 (GRCm39) T263A possibly damaging Het
Me3 C A 7: 89,495,093 (GRCm39) A337E probably damaging Het
Mndal A C 1: 173,712,264 (GRCm39) probably null Het
Msantd5l C T 11: 51,144,808 (GRCm39) D158N probably damaging Het
Muc6 C T 7: 141,217,453 (GRCm39) E2342K possibly damaging Het
Neb A G 2: 52,076,076 (GRCm39) V5659A probably damaging Het
Nkapd1 T A 9: 50,521,610 (GRCm39) I104L probably benign Het
Nrxn1 G A 17: 91,395,661 (GRCm39) A165V probably benign Het
Or5b94 T A 19: 12,652,409 (GRCm39) I280N possibly damaging Het
Or5b97 T C 19: 12,878,676 (GRCm39) N156S probably benign Het
Pax4 A G 6: 28,447,118 (GRCm39) probably null Het
Pcdhb7 C T 18: 37,475,522 (GRCm39) probably null Het
Pla2r1 C T 2: 60,345,310 (GRCm39) E349K probably benign Het
Polr2a C T 11: 69,626,787 (GRCm39) A1516T probably benign Het
Pramel23 A T 4: 143,425,676 (GRCm39) I89N probably benign Het
Prpf38a G T 4: 108,427,401 (GRCm39) D187E possibly damaging Het
Rdh16f1 T A 10: 127,624,737 (GRCm39) probably null Het
S100z T A 13: 95,615,090 (GRCm39) D25V probably damaging Het
Scamp2 T G 9: 57,488,895 (GRCm39) F199V probably damaging Het
Semp2l2b C A 10: 21,943,654 (GRCm39) G109C probably damaging Het
Senp2 T G 16: 21,830,326 (GRCm39) probably benign Het
Sltm T A 9: 70,481,892 (GRCm39) S365T probably damaging Het
Smg6 C G 11: 74,820,169 (GRCm39) P147A possibly damaging Het
Spem2 T A 11: 69,708,603 (GRCm39) R121W probably damaging Het
Sufu A G 19: 46,439,405 (GRCm39) probably null Het
Syt2 T C 1: 134,674,501 (GRCm39) V313A possibly damaging Het
Tet2 C T 3: 133,185,102 (GRCm39) probably null Het
Tfeb T A 17: 48,097,908 (GRCm39) I232N probably benign Het
Ticrr T G 7: 79,341,601 (GRCm39) I1062M probably damaging Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Vrk2 G A 11: 26,439,893 (GRCm39) A226V probably damaging Het
Wnk1 A T 6: 119,942,639 (GRCm39) probably benign Het
Xpo4 G T 14: 57,841,168 (GRCm39) T505K probably benign Het
Yy1 A T 12: 108,759,594 (GRCm39) I86F probably benign Het
Zc3h15 A G 2: 83,487,400 (GRCm39) D73G 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
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'- TTCACGTTACTAGCCGAAAGC -3'
(R):5'- TACTGACCCTGCGTTTAGTG -3'

Sequencing Primer
(F):5'- CGAAAGCTGGGTGTGTGTCAC -3'
(R):5'- CATGTAATATGCACATGGTGGTCAG -3'
Posted On 2018-11-06