We narrowed to 7,670 results for: tet on
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Plasmid#164928PurposeExpresses HA tagged, codon Optimized and siRNA-resistant, tetracycline-inducible KRASG12V sequenceDepositorInsertKRAS proto-oncogene, GTPase (KRAS) (KRAS Human)
UseLentiviralTagsHA tagMutationGlycine 12 changed to valine; 9 Valine codons are…PromoterUbc promoterAvailable SinceMay 27, 2021AvailabilityAcademic Institutions and Nonprofits only -
pInducer10b-HA-KRAS WT CO SR
Plasmid#164926PurposeExpresses HA tagged, codon Optimized and siRNA-resistant, tetracycline-inducible KRAS wild type sequenceDepositorInsertKRAS proto-oncogene, GTPase (KRAS) (KRAS Human)
UseLentiviralTagsHA tagMutation9 Valine codons are optimized and siRNA targetin…PromoterUbc promoterAvailable SinceMay 27, 2021AvailabilityAcademic Institutions and Nonprofits only -
pLenti-TO/CMV-puro-DD-PAmCherry1-KRas G12D
Plasmid#177320PurposeLentiviral vector expressing PAmCherry1-tagged KRas 4B G12D mutant, with an N-terminal dimerization domain (DD).DepositorInsertKRAS 4B (KRAS Human)
UseLentiviralTagsFKBP-derived dimerization domain (DD, or DmrB) an…ExpressionMammalianMutationG12DPromoterTetOn-CMVAvailable SinceJan. 28, 2022AvailabilityAcademic Institutions and Nonprofits only -
pAAVS1-Neo-UBC-M2rtTA-H2BmNeon (donorAB-UBC-mNeon)
Plasmid#85800PurposedonorAB-UBC-Neon targeting vector for human AAVS1 locus; knock-in of Dox controlled H2BneonDepositorInsertPPP1R12C (PPP1R12C Human)
UseHuman targetingMutationhomology arms for knock-in into first intronAvailable SinceApril 26, 2019AvailabilityAcademic Institutions and Nonprofits only -
TRIPZ-bioGEF-SUMO1nc-PURO
Plasmid#208042PurposeEnables inducible expression of low-affinity Avitag-SUMO1nc; to perform bioE3; nc = non-cleavable mutation; selection with puromycinDepositorInsertSUMO1nc (SUMO1 Human)
UseLentiviralTagsLow-affinity AvitagMutationQ94P Mutation near C-terminus suppresses cleavage…PromotertetO/UBCAvailable SinceNov. 29, 2023AvailabilityAcademic Institutions and Nonprofits only -
Desmoplakin I acceptor only control (F40-based tension sensor)
Plasmid#119189PurposeThe acceptor (mEYFP) only control for the F40-based human desmoplakin I tension sensor can be used for bleedthrough calibration or with the donor only control to determine intermolecular FRET.DepositorInserthuman Desmoplakin I-[mTFP1(Y72G)-F40-mEYFP] (internal-1945) (DSP Human)
UseTransposonTagsmTFP1-F40-mEYFPExpressionMammalianMutationinserted F40-based tension sensor module after aa…PromoterTCEAvailable SinceDec. 12, 2018AvailabilityAcademic Institutions and Nonprofits only -
Desmoplakin I affinity mutant (F40-based tension sensor)
Plasmid#119190PurposeThe affinity mutant for the F40-based human desmoplakin I tension sensor incorporates a point mutation that exhibits enhanced keratin association.DepositorInserthuman Desmoplakin I(S2849G)-[mTFP1-F40-mEYFP] (internal-1945) (DSP Human)
UseTransposonTagsmTFP1-F40-mEYFPExpressionMammalianMutationinserted F40-based tension sensor module after aa…PromoterTCEAvailable SinceJan. 2, 2019AvailabilityAcademic Institutions and Nonprofits only -
pMX-53BP1(1-1710) 3LA
Plasmid#185698PurposeMammalian Expression, Retroviral vector that encodes a 3LA mutant of 53BP1 that disrupts three RIF1-binding motifs and abolishes the 53BP1-dependent recruitment of RIF1 to DNA double-strand breaks.DepositorInsert53BP1(1-1710) 3LA (TP53BP1 Human)
UseRetroviralTagsFlag tag, HA tag, and tetracysteine tagExpressionMammalianMutationL175A, L517A, and L693APromoterSV40Available SinceJuly 7, 2022AvailabilityIndustry, Academic Institutions, and Nonprofits -
pMX-53BP1(1-1710) 3LA7A
Plasmid#185707PurposeMammalian Expression, Retroviral vector that encodes 7A and 3LA mutant of 53BP1. Prevents shieldin and RIF1 recruitment to sites of double-strand breaks and disrupts 53BP1 activity.DepositorInsert53BP1(1-1710) 3LA7A (TP53BP1 Human)
UseRetroviralTagsFlag tag, HA tag, and tetracysteine tagExpressionMammalianMutationT302A, S452A, S523A, S543A, S625A, S784A, and S89…PromoterSV40Available SinceJuly 1, 2022AvailabilityIndustry, Academic Institutions, and Nonprofits -
pLenti-pGK-nAChRb2(E61C)-IRES-GFP
Plasmid#164777Purposecysteine mutated nAChR beta2 subunit (E61C) for the attachment of a photoswitchable tethered ligandDepositorInsertnAChR b2 E61C - IRES- GFP (Chrnb2 Mouse)
UseLentiviralExpressionMammalianMutationE61CPromoterpGKAvailable SinceApril 6, 2021AvailabilityAcademic Institutions and Nonprofits only -
pPB-cT3G-cERP2-KLF6
Plasmid#192909PurposeBarcoded piggybac transposon vector with Dox-inducible expression of KLF6DepositorAvailable SinceFeb. 24, 2023AvailabilityAcademic Institutions and Nonprofits only -
pIRES2-CMV-nAChRb2(E61C)-IRES-GFP
Plasmid#164779Purposecysteine mutated nAChR beta2 subunit (E61C) for the attachment of a photoswitchable tethered ligandDepositorAvailable SinceApril 6, 2021AvailabilityAcademic Institutions and Nonprofits only -
pPB-cT3G-cERP2-KLF4
Plasmid#192908PurposeBarcoded piggybac transposon vector with Dox-inducible expression of KLF4DepositorAvailable SinceFeb. 24, 2023AvailabilityAcademic Institutions and Nonprofits only -
pHAGE-KNL1-s24a_s60a-dCas9
Plasmid#248568PurposeA CRISPR-based technology to study chromosome-specific aneuploidy by targeting human centromeresDepositorInsertKNL1-s24a_s60a-dCas9
UseCRISPRTagsHA, 2xNLSExpressionMammalianMutationKNL1 S24A, S60A; Cas9 D10A, H840APromoterCMV, TetO2Available SinceFeb. 6, 2026AvailabilityAcademic Institutions and Nonprofits only -
rTTA-gRNA-AAV
Plasmid#213036PurposeThis vector contains rTTA expressed under CMV promoter and gRNA expressed under U6 promoterDepositorInsertrTTA-T2A-mCherry
UseAAV and CRISPRPromoterCMVAvailable SinceOct. 1, 2025AvailabilityAcademic Institutions and Nonprofits only -
AAV-TRE-scFVDnmt3AL_bGHpA
Plasmid#177354PurposeAAV expression of a fusion protein with scFV, catalytic domain of Dnmt3a and C terminal domain of Dnmt3l from doxycycine-inducible promoter for targeted DNA methylation editingDepositorInsertcatalytic domain of DNA Methyltransferase 3 Alpha (Dnmt3a Mouse)
UseAAVTagsC-terminal domain of mouse Dnmt3l (194–415 aa), P…ExpressionMammalianMutation598–908 aa of mouse Dnmt3aPromoterTetracycline-dependent promoterAvailable SinceSept. 5, 2024AvailabilityAcademic Institutions and Nonprofits only -
AAV-TRE-scFVDnmt3A_bGHpA
Plasmid#177355PurposeAAV expression of scFV-fused catalytic domain of Dnmt3a from doxycycine-inducible promoter for targeted DNA methylation editingDepositorInsertcatalytic domain of DNA Methyltransferase 3 Alpha (Dnmt3a Mouse)
UseAAVTagsmyc and scFVExpressionMammalianMutation598–908 aa of mouse Dnmt3aPromoterTetracycline-dependent promoterAvailable SinceSept. 5, 2024AvailabilityAcademic Institutions and Nonprofits only -
FGF14/FHF4 scFv [N56/21]
Plasmid#206783PurposeMammalian Expression of FGF14/FHF4 scFV. Derived from hybridoma N56/21 scFv.DepositorAvailable SinceOct. 23, 2023AvailabilityAcademic Institutions and Nonprofits only -
pHAGE-DD-KNL1-rvsf_aaaa-dCas9
Plasmid#248565PurposeA CRISPR-based technology to study chromosome-specific aneuploidy by targeting human centromeresDepositorInsertDD-KNL1-rvsf_aaaa-dCas9
UseCRISPRTagsHA, 2xNLSExpressionMammalianMutationKNL1 RVSF58-61AAAA; Cas9 D10A, H840APromoterCMV, TetO2Available SinceFeb. 6, 2026AvailabilityAcademic Institutions and Nonprofits only -
TRIPZ-CTID195-GSQ-SUMO1nc-PURO
Plasmid#208035PurposeEnables inducible expression of C-terminal Split-TurboID-fused SUMO1nc, to perform SUMO-ID; nc = non-cleavable mutation; selection with puromycinDepositorInsertSUMO1nc (SUMO1 Human)
UseLentiviralTagsMyc, C-terminal Split-TurboIDMutationQ94P Mutation near C-terminus suppresses cleavage…PromotertetO/UBCAvailable SinceNov. 29, 2023AvailabilityAcademic Institutions and Nonprofits only -
pAU002 - pTRE3G-CTCF(DELTA1-265)-mRuby2-CAGGS-rtta3G-Frt-PGK-PuroR-bpA-Frt TIGRE
Plasmid#156429PurposeVector to introduce a constitutive rtta3G cassette and a DOX-inducible mutant CTCF mouse cDNA, targeting the mouse TIGRE acceptor locus. Use with Addgene #92144 sgRNA. Use puromycine selection.DepositorInsertCTCF, rtta3G, TetO3G (Ctcf Mouse)
UseMouse TargetingExpressionMammalianMutationDELTA1-265Available SinceSept. 3, 2020AvailabilityAcademic Institutions and Nonprofits only -
pEN515 - pTRE3G-CTCF(ZFmut)-mRuby2-CAGGS-rtta3G-Frt-PGK-PuroR-bpA-Frt TIGRE
Plasmid#156434PurposeVector to introduce a constitutive rtta3G cassette and a DOX-inducible mutant CTCF mouse cDNA (all Zinc fingers point mutated), targeting the mouse TIGRE acceptor locus. Use with Addgene #92144 sgRNA.DepositorInsertCTCF, rtta3G, TetO3G (Ctcf Mouse)
UseMouse TargetingExpressionMammalianMutationAll zinc fingers mutatedAvailable SinceSept. 3, 2020AvailabilityAcademic Institutions and Nonprofits only -
pcDNA3-RIα-ICUE4
Plasmid#181848PurposeICUE4 cAMP sensor tethered to the PKA RIα subunit.DepositorTagsECFP, PKA RIα, and cpVenus(L194)ExpressionMammalianMutationGlutamine 122 in Epac1 domain mutated to glutamat…PromoterCMVAvailable SinceJune 17, 2022AvailabilityAcademic Institutions and Nonprofits only -
pAU003 - pTRE3G-Cterm_Nterm_switch_CTCF-mRuby2-CAGGS-rtta3G-Frt-PGK-PuroR-bpA-Frt TIGRE
Plasmid#156430PurposeVector to introduce a constitutive rtta3G cassette and a DOX-inducible mutant CTCF mouse cDNA, targeting the mouse TIGRE acceptor locus. Use with Addgene #92144 sgRNA. Use puromycine selection.DepositorInsertCTCF, rtta3G, TetO3G (Ctcf Mouse)
UseMouse TargetingExpressionMammalianMutationCterm_Nterm_switchedAvailable SinceSept. 3, 2020AvailabilityAcademic Institutions and Nonprofits only -
Desmoplakin I donor only control (F40-based tension sensor)
Plasmid#119188PurposeThe donor (mTFP1) only control for the F40-based human desmoplakin I tension sensor can be used for bleedthrough calibration and provides the donor only lifetime to determine FRET efficiency.DepositorInserthuman Desmoplakin I-[mTFP1-F40-mEYFP(Y67G)] (internal-1945) (DSP Human)
UseTransposonTagsmTFP1-F40-mEYFPExpressionMammalianMutationinserted F40-based tension sensor module after aa…PromoterTCEAvailable SinceDec. 12, 2018AvailabilityAcademic Institutions and Nonprofits only -
TRE-RXRa-Myc; pGK-H2B-RFP
Plasmid#242887PurposeFor lentiviral overexpression of Myc-tagged human RXRa coupled to H2B-RFP (in the opposite direction)DepositorInsertRxra (RXRA Human)
UseLentiviralTagsH2B-mRFPExpressionMammalianMutationHuman RXRa cDNA was PCR-amplified from pSV-Sport-…PromoterTetracycline response element upstream of a minim…Available SinceAug. 28, 2025AvailabilityAcademic Institutions and Nonprofits only -
pLD-puro-Cc-IFIT5_K197R-VA
Plasmid#191223PurposeLentiviral expression of human IFIT5_K197R in mammalian cellsDepositorInsertinterferon-induced protein with tetratricopeptide repeats 5 (IFIT5 Human)
UseLentiviralTagsVA tagExpressionMammalianMutationchanged Lysine 197 to Arginine (K197R)PromoterCMVAvailable SinceApril 30, 2025AvailabilityAcademic Institutions and Nonprofits only -
pLD-puro-Cc-IFIT5_WT-VA
Plasmid#191221PurposeLentiviral expression of human IFIT5_WT in mammalian cellsDepositorInsertinterferon-induced protein with tetratricopeptide repeats 5 (IFIT5 Human)
UseLentiviralTagsVA tagExpressionMammalianPromoterCMVAvailable SinceApril 30, 2025AvailabilityAcademic Institutions and Nonprofits only -
pLD-puro-Cc-IFIT5_K160R-VA
Plasmid#191222PurposeLentiviral expression of human IFIT5_K160R in mammalian cellsDepositorInsertinterferon-induced protein with tetratricopeptide repeats 5 (IFIT5 Human)
UseLentiviralTagsVA tagExpressionMammalianMutationchanged Lysine 160 to Arginine (K160R)PromoterCMVAvailable SinceApril 30, 2025AvailabilityAcademic Institutions and Nonprofits only -
Anti-FGF14/FHF4 [N56/21R]
Plasmid#177563PurposeMammalian Expression Plasmid of anti-FGF14/FHF4 (Mouse). Derived from hybridoma N56/21.DepositorInsertanti-FGF14/FHF4 (Mus musculus) recombinant mouse monoclonal antibody (Fgf14 Mouse)
ExpressionMammalianPromoterDual CMVAvailable SinceNov. 24, 2021AvailabilityAcademic Institutions and Nonprofits only -
pPB-C6F/TdTomato
Plasmid#140826PurposeOCT4, SOX2, KLF4, C-MYC, KLF2, NANOG (C6F) and tdTomato under the control of TRE (Tet-ON)DepositorInsertsExpressionMammalianMutationL104P- please see depositor commentsAvailable SinceSept. 25, 2020AvailabilityAcademic Institutions and Nonprofits only -
PB-TAC-OSKM
Plasmid#80481PurposepiggyBac transposon for dox-inducible expression of the OSKM polycistronic reprogramming cassette (with mCherry)DepositorUsePiggybac transposonExpressionMammalianPromotertetOAvailable SinceNov. 28, 2016AvailabilityAcademic Institutions and Nonprofits only -
pEN366 - pTRE3G-CTCF-mRuby2-BGHpA-CAGGS-rtta3G-rbgpA-Frt-PGK-EM7-PuroR-bpA-Frt TIGRE donor
Plasmid#156432PurposeVector to introduce a constitutive rtta3G cassette and a DOX-inducible wild-type CTCF mouse cDNA, targeting the mouse TIGRE acceptor locus. Use with Addgene #92144 sgRNA. Use puromycine selection.DepositorAvailable SinceSept. 2, 2020AvailabilityAcademic Institutions and Nonprofits only -
pcDNA3-PDE4D2cat-ICUE4
Plasmid#181847PurposeICUE4 cAMP sensor tethered to the catalytic domain of PDE4D2.DepositorTagsECFP, PDE4D2(86-418), and cpVenus(L194)ExpressionMammalianMutationGlutamine 122 in Epac1 domain mutated to glutamat…PromoterCMVAvailable SinceJune 17, 2022AvailabilityAcademic Institutions and Nonprofits only -
LIR-wtloxP-TRE-CAG-Frt-red-puro-3xPA-Frt-GFP(mVenus)-KrasG12D-cMyc-SV40LT-IRES-KRABoff-PA-TRE-loxP257-RIR
Plasmid#67277Purposeinducbile color change and cancer regulation: FlpO recombinase dependent expression of KrasG12D cMyc and SV40 large T antigen with doxycycline inducible downregulation through tetKRAB system.DepositorInsertsfirst casette contain a red fluorescent protein (katushka) linked to puromycin resitance gene through an E2A site
second cassette contains mVENUS-kras-cmyc-SV40LT-KRABoff
TagsmTQ2 blue fluorescent and red flourescent gene ka…ExpressionMammalianPromoterCAGAvailable SinceAug. 7, 2015AvailabilityAcademic Institutions and Nonprofits only -
pUt-mPF-BACH1 Cas9-Resistant_AmpR
Plasmid#199221PurposeLPUtopia-7 matching RMCE donor plasmid with Cas9-resistant GFP-BACH1 Positive-Feedback circuit (mPF-BACH1). Use BlastR for positive selection and HSV-TK for negative selection.DepositorInsertrtTA-Advanced::P2A::EGFP::BACH1 (BACH1 Human)
TagsEGFPExpressionMammalianMutationsilient mutation at nucleic acid 177 C changed to…Promotertight TRE promoterAvailable SinceJune 28, 2023AvailabilityAcademic Institutions and Nonprofits only -
PB-TAC-MKOS
Plasmid#80484PurposepiggyBac transposon for dox-inducible expression of the MKOS polycistronic reprogramming cassette (with mCherry)DepositorUsePiggybac transposonExpressionMammalianPromotertetOAvailable SinceNov. 28, 2016AvailabilityAcademic Institutions and Nonprofits only -
pLD-puro-Cc-IFIT5_K206R-VA
Plasmid#191224PurposeLentiviral expression of human IFIT5_K206R in mammalian cellsDepositorInsertinterferon-induced protein with tetratricopeptide repeats 5 (IFIT5 Human)
UseLentiviralTags3xFlag-TEVx2-6xHis-Strep x2 tag and VA tagExpressionMammalianMutationchanged Lysine 206 to Arginine (K206R)PromoterCMVAvailable SinceApril 30, 2025AvailabilityAcademic Institutions and Nonprofits only -
Anti-FGF14/FHF4 [N56/21R-2b]
Plasmid#219479PurposeMammalian Expression Plasmid of anti-FGF14/FHF4 (Mouse) subclass-switched IgG2b R-mAb. Derived from hybridoma N56/21.DepositorInsertAnti-FGF14/FHF4 (Mus musculus) recombinant mouse monoclonal antibody. (Fgf14 Mouse)
ExpressionMammalianPromoterDual CMVAvailable SinceSept. 5, 2024AvailabilityAcademic Institutions and Nonprofits only -
PB-TAC-OKMS
Plasmid#80480PurposepiggyBac transposon for dox-inducible expression of the OKMS (Oct4, Klf4[10-483], c-Myc, Sox2) polycistronic reprogramming cassette (with mCherry)DepositorUsePiggybac transposonExpressionMammalianMutationKlf4 [10-483]PromotertetOAvailable SinceNov. 28, 2016AvailabilityAcademic Institutions and Nonprofits only -
PB-TAC-OK+9MS
Plasmid#80482PurposepiggyBac transposon for dox-inducible expression of the OK+9MS (Oct4, Klf4[1-483], c-Myc, Sox2) polycistronic reprogramming cassette (with mCherry)DepositorUsePiggybac transposonExpressionMammalianMutationKlf4 [1-483]PromotertetOAvailable SinceNov. 28, 2016AvailabilityAcademic Institutions and Nonprofits only -
Anti-FGF14/FHF4 [N56/21R-rat IgG2a] - Chimeric
Plasmid#231830PurposeMammalian expression plasmid of anti-FGF14/FHF4 (Mouse) rat IgG2a R-mab. Derived from hybridoma N56/21.DepositorInsertAnti-FGF14/FHF4 (Mus musculus) recombinant mouse monoclonal antibody (Fgf14 Chimera: M. musculus (mouse)/R. norvegicus (rat))
UseAffinity Reagent/ AntibodyExpressionMammalianPromoterDual CMVAvailable SinceJan. 31, 2025AvailabilityAcademic Institutions and Nonprofits only -
PB-TAC-EB-C5
Plasmid#80485PurposepiggyBac transposon for dox-inducible expression of the EB-C5 polycistronic reprogramming cassette (with mCherry)DepositorUsePiggybac transposonExpressionMammalianPromotertetOAvailable SinceNov. 28, 2016AvailabilityAcademic Institutions and Nonprofits only -
Endy/Shearwin pOSIP plasmid set
Plasmid Kit#1000000035PurposeCloning and assembly of DNA constructs for chromosomal integration in E. coli.DepositorApplicationCloning and Synthetic BiologyVector TypeBacterial ExpressionCloning TypeClonetegrationAvailable SinceJuly 26, 2013AvailabilityAcademic Institutions and Nonprofits only -
AspFlex Kit
Plasmid Kit#1000000217PurposeCollection of standardized parts for protein expression analyses and CRISPRi experiments in Acinetobacter sp.DepositorApplicationCloning and Synthetic BiologyVector TypeBacterial ExpressionCloning TypeGolden Gate (MoClo)Available SinceSept. 27, 2023AvailabilityAcademic Institutions and Nonprofits only -
MXS Chaining Kit
Plasmid Kit#1000000064PurposeA collection of standardized building blocks used to assemble plasmids that are optimized for fluorescence imaging or flow cytometry applications.DepositorApplicationCloning and Synthetic BiologyVector TypeMammalian ExpressionCloning TypeRestriction EnzymeAvailable SinceAug. 4, 2015AvailabilityAcademic Institutions and Nonprofits only -
pBIG2abc_hsHAUScomplex_FL
Plasmid#202203PurposeBaculoviral transfer vector to co-express 8 subunits of human augmin complexDepositorInsertsHAUS1 (HAUS1 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS3 (HAUS3 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS2 (HAUS2 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS6 (HAUS6 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS7 (HAUS7 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS4 (HAUS4 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS5 (HAUS5 Human, codon-optimized form for expression in Trichoplusia ni cells)
HAUS8 (HAUS8 Human, codon-optimized form for expression in Trichoplusia ni cells)
Tags-mGFP-TEV-TwinStrep and His-tag (6x)ExpressionInsectPromoterpolyhedrin promoterAvailable SinceSept. 19, 2023AvailabilityAcademic Institutions and Nonprofits only -
EcoFlex MoClo Extension, Volume I
Plasmid Kit#1000000253PurposePlasmids to quickly and efficiently build a wide variety of gene expression constructs using the EcoFlex-standard MoClo system (Addgene #1000000080).DepositorApplicationCloning and Synthetic BiologyVector TypeBacterial ExpressionCloning TypeGolden Gate (MoClo)Available SinceMarch 11, 2025AvailabilityAcademic Institutions and Nonprofits only -
PB-TO-hNGN2
Plasmid#172115PurposePiggybac Tet-ON plasmid for differentiating hiPSCs into glutamatergic neurons via NGN2 expressionInsertsTagsT2A-mycNLS-mTagBFP2ExpressionMammalianPromoterEF1a and TRE3GAvailable SinceApril 14, 2022AvailabilityAcademic Institutions and Nonprofits only -
PB-TO-hNIL
Plasmid#172113PurposePiggybac Tet-ON plasmid for differentiating hiPSCs into lower motor neurons via NGN2, ISL1, and LHX3 expressionTagsT2A-mycNLS-mTagBFP2ExpressionMammalianPromoterEF1a and TRE3GAvailable SinceApril 14, 2022AvailabilityAcademic Institutions and Nonprofits only