Up to 25% - End-of-Year Promotion on Protein Purification Products
Take advantage of up to 25% on premium protein purification products — 20% off Cube Biotech’s Ni-INDIGO His-Tag range for purer proteins with higher yields and 25% off IBA Lifesciences’ Strep-Tactin®(XT) 4Flow® resins for exceptionally pure, native, and demanding proteins.
Offers valid until 31st Dec 2025. Not summable with other discounts.
Ni-INDIGO - Revolutionize His-Tag Protein Purification
Cube Biotech’s Ni-INDIGO technology enables purer proteins, higher yields, and unmatched stability
- Up to 5× higher binding capacity compared to conventional Ni-NTA resins
- Up to 30× less Ni²⁺ ion leakage for cleaner, safer protein samples
- No nickel recharging required — save up to 50% regeneration time
- Compatible with DTT, EDTA, urea, TCEP, citrate, GuHCl
- 3× more robust under denaturing conditions
- Reduces contamination from Co, Fe, Mn, and Zn
Cube Biotech's Ni-INDIGO Products
HisCube-Ni-INDIGO His-Tag Purification Kits
Ready-to-use kits combining high-performance Ni-INDIGO resin with convenient mini or midi columns for fast, efficient small- to mid-scale His-tag protein purification. Deliver high yield and purity even in the presence of EDTA or DTT.
PureCube 100 INDIGO Ni-Agarose
High-performance Ni-INDIGO agarose resin offering exceptional binding capacity and metal stability. Enables reproducible, high-purity His-tag protein purification under both native and denaturing conditions.
Ni-INDIGO Data
Strep-Tactin® 4Flow® -
Purification of Strep-tag®II and Twin-Strep-tag® proteins
IBA's Strep-Tactin® 4Flow® family provides exceptional purity for demanding proteins
- Unparalleled purity — >95 % in a single purification step
- High selectivity and exceptional affinity
- High binding capacity for efficient recovery even from dilute samples
- Ideal for native and sensitive proteins that require mild elution
- Preserves native conformation and activity through gentle, biotin-based elution
- Robust across buffer conditions: compatible with high salts, detergents, metal ions, chelators, and reducing agents
- Reproducible, reusable, and reliable
Strep-Tactin® 4Flow® Products
Strep-Tactin® 4Flow® High Capacity; 50 % Suspension
High-capacity agarose resin for efficient, one-step purification of Strep-tag II or Twin-Strep-tag proteins.
Ideal for native, sensitive proteins and fully compatible with diverse buffer conditions and FPLC workflows.
- High yields up to 31 mg/mL resin
- >95 % purity in one step
- Mild elution with desthiobiotin
Strep-Tactin®XT 4Flow®; 50 % Suspension
Next-generation agarose resin featuring picomolar affinity for the Twin-Strep-tag®. Provides unmatched binding strength and stability.
Ideal for analytical and pull-down applications, low-abundance or difficult-to-express proteins.
- Ultra-high affinity
- >95 % purity
- Gentle desthiobiotin elution
Strep-Tactin®XT 4Flow® High Capacity; 50 % Suspension
Combines picomolar affinity with a high-capacity 4Flow® agarose matrix, this resin delivers exceptional yield and purity in a single step.
Ideal for high-throughput purification of fragile, multi-subunit, or functional proteins.
- Highest yield: up to 31 mg/mL resin
- Picomolar-range affinity
- Exceptional selectivity & purity
- Mild elution
Strep-Tactin®XT 4Flow® Data