Competent Cell Product Comparison

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  • NEB provides the following guide to ordering NEB competent cells by aligning our strains with the names of their counterparts from other suppliers.

    Strain Name Company Catalog # Unit Size NEB Strain Name NEB # Unit Size
    GC5™ Competent Cells** Sigma G7419 1 x 96-well plate NEB 5-alpha C2987 1 x 96-well plate
    BL21-T1R Competent Cells Sigma B2685 10 x 0.05ml BL21 Competent E. coli C2530 20 x 0.05ml
    BL21(DE3)-T1R Sigma B2935 10 x 0.05ml BL21(DE3) Competent E. coli C2527 20 x 0.05ml
    BL21(DE3)pLysS-T1R Sigma B3310 10 x 0.05ml T7 Express lysY Competent E. coli (High Efficiency) C3010 20 x 0.05ml
    ElectroMAX™ DH10B™ T1 Phage-Resistant Competent Cells Invitrogen 12033-015 5 x 0.1ml NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    ElectroMAX™ DH5α-E™ Cells* Invitrogen 11319-019 5 x 0.1ml NEB 5-alpha Electrocompetent E. coli C2989 6 x 0.1ml
    MAX Efficiency® DH10B™ Competent Cells* Invitrogen 18297-010 5 x 0.2ml NEB 10-beta Competent E. coli (High Efficiency) C3019 6 x 0.2ml
    One Shot® TOP10 Chemically Competent E. coli Invitrogen C4040-03 20 x 0.05ml NEB 10-beta Competent E. coli (High Efficiency) C3019 20 x 0.05ml
    One Shot® MAX Efficiency™ DH10B™ T1 Phage Resistant Cells   Invitrogen 12331-013 20 x 0.05ml NEB 10-beta Competent E. coli (High Efficiency) C3019 20 x 0.05ml
    One Shot® MAX Efficiency® DH5α™-T1R Competent Cells   Invitrogen 12297-016 20 x 0.05ml NEB 5-alpha Competent E. coli (High Efficiency) C2987 20 x 0.05ml
    MAX Efficiency® DH5α™ T1 Phage Resistant Competent Cells   Invitrogen 12034-013 1ml NEB 5-alpha Competent E. coli (High Efficiency) C2987 6 x 0.2ml
    Subcloning Efficiency™ DH5α™ Competent Cells* Invitrogen 18265-017 4 x 0.5ml NEB 5-alpha Competent E. coli (Subcloning Efficiency) C2988 6 x 0.4ml
    MAX Efficiency® DH5αF'IQ™ Competent Cells*  Invitrogen 18288-019 5 x 0.2ml NEB 5-alpha F´Iq Competent E. coli (High Efficiency) C2992 6 x 0.2ml
    One Shot® Mach1™ T1 Phage-Resistant Chemically Competent E. coli  Invitrogen C8620-03 20 x 0.05ml NEB Turbo Competent E. coli (High Efficiency) C2984 20 x 0.05ml
    BL21-AI™ One Shot® Chemically Competent E. coli   Invitrogen C6070-03 20 x 0.05ml Lemo21(DE3) Competent E. coli C2528 6 x 0.05ml
    One Shot® BL21(DE3) Chemically Competent E. coli  Invitrogen C6000-03 20 x 0.05ml BL21(DE3) Competent E. coli C2527 20 x 0.05ml
    One Shot® BL21(DE3)pLysS Chemically Competent E. coli  Invitrogen C6060-03 20 x 0.05ml T7 Express lysY Competent E. coli (High Efficiency) C3010 20 x 0.05ml
    One Shot® BL21(DE3)pLysS Chemically Competent E. coli Invitrogen C6060-10 10 x 0.05ml T7 Express lysY Competent E. coli (High Efficiency) C3010 20 x 0.05ml
    DH5alphaF'Iq** EMP4BIO 71011 1 x 96-well plate NEB 5-alpha C2987 1 x 96-well plate
    Veggie™ BL21(DE3)pLysS Singles™ Competent Cells EMD4Biosciences 71253-4 22 reactions T7 Express lysY Competent E. coli (High Efficiency) C3010 20 x 0.05ml
    Veggie™ BL21(DE3) Singles™ Competent Cells EMD4Biosciences 71252-4 22 reactions BL21(DE3) Competent E. coli C2527 20 x 0.05ml
    Origami™ B Competent Cells EMD4Biosciences 70836-3 0.4ml SHuffle® Express Competent E. coli C3028 6 x 0.05ml
    Origami™ B(DE3) Competent Cells EMD4Biosciences 70837-3 0.4ml SHuffle® T7 Express Competent E. coli C3029 6 x 0.05ml
    Origami™ B(DE3)pLysS Competent Cells  EMD4Biosciences 70839-3 0.4ml SHuffle® T7 Express lysY Competent E. coli C3030 6 x 0.05ml
    Origami™ 2(DE3) Competent Cells EMD4Biosciences 71345-3 0.4ml SHuffle® T7 Competent E. coli C3026 6 x 0.05ml
    Origami™ 2(DE3) Singles™ Competent Cells  EMD4Biosciences 71408-3 11 reactions SHuffle® T7 Competent E. coli C3026 6 x 0.05ml
    B834(DE3) Competent Cells EMD4Biosciences 69041-4 1ml T7 Express Crystal Competent E. coli (High Efficiency) C3022 20 x 0.05ml
    BL21 Competent Cells EMD4Biosciences 69449-4 1ml BL21 Competent E. coli C2530 20 x 0.05ml
    BL21(DE3) Competent Cells EMD4Biosciences 69450-4 1ml BL21(DE3) Competent E. coli C2527 20 x 0.05ml
    BL21(DE3)pLysS Competent Cells EMD4Biosciences 69451-4 1ml T7 Express lysY Competent E. coli (High Efficiency) C3010 20 x 0.05ml
    E. cloni® 5-alpha Chemically Competent Cells† Lucigen 60602-2 12 x 0.1ml NEB 5-alpha Competent E. coli (High Efficiency) C2987 20 x 0.05ml
    E. cloni®10G BAC-Optimized Electrocompetent Lucigen 60215-1 10 reactions NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    E. cloni® 10G CLASSIC Electrocompetent Lucigen 60117-1 24 reactions NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    E. cloni® 10G ELITE Electrocompetent Cells Lucigen 60052-1 12 reactions NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    E. cloni® 10G SUPREME Electrocompetent Cells Lucigen 60080-1 12 reactions NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    E. cloni® 10G Chemically Competent Cells Lucigen 60106-2 24 reactions NEB 10-beta Competent E. coli (High Efficiency) C3019 20 x 0.05ml
    E. cloni® EXPRESS BL21(DE3) Chemically Competent Cells (=1 × 107 cfu/µg) Lucigen 60401-2 24 reactions BL21(DE3) Competent E. coli C2527 20 x 0.05ml
    OverExpress C41 Chemically Competent Lucigen 60442-1 12 reactions Lemo21(DE3) Competent E. coli C2528 6 x 0.05ml
    OverExpress C43 Chemically Competent Lucigen 60446-1 12 reactions Lemo21(DE3) Competent E. coli C2528 6 x 0.05ml
    Alpha-Select Bacteriophage T1-Resistant Gold Efficiency Bioline BIO-85030 20 x 0.05ml NEB 5-alpha Competent E. coli (High Efficiency) C2987 20 x 0.05ml
    Alpha-Select Bronze Efficiency†† Bioline BIO-85025 10 x 0.2ml NEB 5-alpha Competent E. coli (Subcloning Efficiency) C2988 6 x 0.4ml
    Alpha-Select Electrocompetent††† Bioline BIO-85028 10 x 0.1ml NEB 5-alpha Electrocompetent E. coli C2989 6 x 0.1ml
    BIOBlue 109 Chemically Competent Cells* Bioline BIO-85037 20 x 0.05ml NEB 5-alpha F´Iq Competent E. coli (High Efficiency) C2992 20 x 0.05ml
    CH3-Blue 109 Chemically Competent Cells* Bioline BIO-85040 20 x 0.05ml NEB 10-beta Competent E. coli (High Efficiency) C3019 20 x 0.05ml
    dam- dcm- Bacteriophage T1-Resistant Bioline BIO-85044 10 x 0.1ml dam-/dcm- Competent E. coli C2925 20 x 0.05ml
    96 pack Gold Competent Cells** Agilent/Stratagene 200324 4 x 96-well plates NEB 5-alpha C2987 1 x 96-well plate
    XL1-Blue MR Supercompetent Cells Agilent/Stratagene 200229 5 x 0.2ml NEB 10-beta Competent E.coli C3019 6 x 0.2ml
    XL1-Blue Supercompetent Cells Agilent/Stratagene 200236 5 x 0.2ml NEB 5-alpha F´Iq Competent E.coli C2992 6 x 0.2ml
    XL10-Gold Ultracompetent Cells Agilent 200314 5 x 0.1ml NEB 5-alpha F´Iq Competent E.coli (High Efficiency) †††† C2992 6 x 0.2ml
    SCS110 Competent Cells Agilent/Stratagene 200247 5 x 0.2ml dam-/dcm- Competent E.coli C2925 6 x 0.2ml
    BL21 Competent Cells Agilent/Stratagene 200133 5 x 0.2ml BL21 Competent E.coli C2530 20 x 0.05ml
    BL21(DE3) Competent Cells Agilent/Stratagene 200131 5 x 0.2ml BL21(DE3) Competent E.coli C2527 6 x 0.2ml
    BL21(DE3)pLysS Competent Cells Agilent/Stratagene 200132 5 x 0.2ml T7 Express lysY Competent E.coli C3010 6 x 0.2ml
    C-Max 5 Alpha Competent Cells BIO-RAD 170-3340 5 x 0.2ml NEB 5-alpha Competent E.coli C2987 6 x 0.2ml
    C-Max 5 Alpha Competent Cells BIO-RAD 170-3342 10 x 0.05ml NEB 5-alpha Competent E.coli C2987 20 x 0.05ml
    C-Max 5 Alpha F' Competent Cells BIO-RAD 170-3341 5 x 0.2ml NEB 5-alpha F´Iq Competent E.coli C2992 6 x 0.2ml
    C-Max 5 Alpha F' Competent Cells BIO-RAD 170-3343 10 x 0.05ml NEB 5-alpha F´Iq Competent E.coli C2992 20 x 0.05ml
    EP-Max™ 10B Electro-Competent Cells BIO-RAD 170-3330 5 x 0.1ml NEB 10-beta Electrocompetent E. coli C3020 6 x 0.1ml
    BL21(DE3) Chemi-Competent Cells BIO-RAD 156-3003 10 x 0.05ml BL21(DE3) Competent E.coli C2527 20 x 0.05ml

    * These strains are not phage resistant. All NEB competent cells are phage resistant.
    ** Note that this product has a TE of > 1 x 108, whereas NEB C2987 has a TE of 1-3 x 109
    † Note Lucigen 6060-2 has a TE of ≥ 1x108, whereas NEB C2987 has a TE of 1-3x109
    †† Note Bioline BIO-85025 has a TE of ≥ 107, whereas NEB C2988 has a TE of > 1x106
    ††† Note Bioline BIO-85028 has a TE of ≥ 109, whereas NEB C2989 has a TE of 1-3x1010
    †††† For large plasmids, choose C3019, NEB 10-beta Competent E. coli (High Efficiency)

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