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ChromoTek His Fab-Trap® Magnetic Agarose

The ChromoTek His Fab-Trap® Magnetic Agarose consists of an anti-His-tag Fab fragment, which is covalently bound to magnetic agarose beads. It can be used for the immunoprecipitation of proteins fused to the His-tag from cell extracts of various organisms.

Specificity

6*His, His-Tag (sequence: HHHHHH)

Applications

IP, Co-IP

Type

Fab-fragment

Conjugate

Magnetic Agarose

Cat no : hfma

Synonyms

His-trap, 6*His Fab-Trap, His-tag Fab-Trap

Validation Data Gallery

  • IP using His Fab-Trap® Magnetic Agarose (hfma) from untransfected HEK293T (mock) and HEK293T cells transfected with either His-TOM70 or TOM70-His fusion proteins. WB detection of TOM70 protein was also done on samples from the Input (I), Flow-Through (F), and Bound (B) fractions using Anti-TOM70 Polyclonal Antibody (14528-1-AP) and ChromoTek Nano-Secondary alpaca anti-rabbit IgG, CoraLite Plus 488 (srb2GCL488-1).

    IP using His Fab-Trap® Magnetic Agarose (hfma) from untransfected HEK293T (mock) and HEK293T cells transfected with either His-TOM70 or TOM70-His fusion proteins. WB detection of TOM70 protein was also done on samples from the Input (I), Flow-Through (F), and Bound (B) fractions using Anti-TOM70 Polyclonal Antibody (14528-1-AP) and ChromoTek Nano-Secondary alpaca anti-rabbit IgG, CoraLite Plus 488 (srb2GCL488-1).

  • His Fab-Trap® Magnetic Agarose (hfma) was used for the Co-IP of AurKinB-His fusion protein and interacting partners from untransfected (mock) and transfected HEK293T cells. Multiplexed WB was done on Input (I), Flow-Through (F), and Bound (B) fractions of the IP. Detection was completed using His-tag Monoclonal Antibody (66005-1-Ig) labeled with FlexAble CoraLite Plus 647 Kit for Mouse IgG (KFA023), CDC37 Monoclonal Antibody (66420-1-Ig) labeled with FLexAble CoraLite Plus 750 Kit for Mouse IgG2a (KFA044), and HSP90AB1 Monoclonal Antibody (67450-1-Ig) labeled with FlexAble CoraLite Plus 488 Kit for Mouse IgG2b (KFA061).

    His Fab-Trap® Magnetic Agarose (hfma) was used for the Co-IP of AurKinB-His fusion protein and interacting partners from untransfected (mock) and transfected HEK293T cells. Multiplexed WB was done on Input (I), Flow-Through (F), and Bound (B) fractions of the IP. Detection was completed using His-tag Monoclonal Antibody (66005-1-Ig) labeled with FlexAble CoraLite Plus 647 Kit for Mouse IgG (KFA023), CDC37 Monoclonal Antibody (66420-1-Ig) labeled with FLexAble CoraLite Plus 750 Kit for Mouse IgG2a (KFA044), and HSP90AB1 Monoclonal Antibody (67450-1-Ig) labeled with FlexAble CoraLite Plus 488 Kit for Mouse IgG2b (KFA061).

  • IP of GFP-His fusion protein from transfected HEK293T cell using His Fab-Trap® Magnetic Agarose (hfma) followed by a two-step elution with His-Peptide (hp). I: Input, F: Flow-Through, E1: 1st elution, E2: 2nd elution, R: Residual.

    IP of GFP-His fusion protein from transfected HEK293T cell using His Fab-Trap® Magnetic Agarose (hfma) followed by a two-step elution with His-Peptide (hp). I: Input, F: Flow-Through, E1: 1st elution, E2: 2nd elution, R: Residual.

Product Information

The ChromoTek His Fab-Trap® Magnetic Agarose consists of an anti-His-tag Fab fragment, which is covalently bound to magnetic agarose beads. It can be used for the immunoprecipitation of proteins fused to the His-tag from cell extracts of various organisms.

DescriptionImmunoprecipitation of His-tagged proteins with anti-His-tag Fab-fragment conjugated to magnetic agarose beads.

• Fast, reliable & efficient one-step immunoprecipitation

• Ready-to-use

• Low background

• Stable under harsh washing conditions

• Suitable for downstream mass spec analysis

• Works in samples from: mammals, plants, yeast, etc.

ApplicationsIP, Co-IP
Specificity/TargetBinds specifically to the His-tag (also known as hexahistidine or His6-tag) fused to a protein of interest at N-, C- or internal position. Please note that the affinity is highest for a C-terminal fusion (dissociation constant KD of 10 nM for a C-terminal His-tag and 220 nM for an N-terminal His-tag).
Binding Capacity/
ConjugateMagnetic Agarose beads; ~40 um (cross-linked 6% magnetic agarose beads)
Elution buffer2x SDS-sample buffer (Lämmli), 200 mM glycine pH 2.5 or 100 µM His-Peptide
Wash Buffer Compatibility2 M NaCl, 5 mM DTT, 5 mM β-mercaptoethanol, 5 mM TCEP, 2% NP40, 2% Triton X-100, 0.2% SDS, 5 M Urea
TypeFab-fragment
ClassRecombinant
HostMouse
Affinity (KD)10 nM for a C-terminal His-tag and 220 nM for a N-terminal His-tag
Compatibility with mass spectrometryThe His Fab-Trap® is optimized for on-bead digestion. For the application note, please click here:
On-bead digest protocol for mass spectrometry
RRIDAB_3661839
Storage BufferPBS pH 7.4. Preservative: 0.09% sodium azide
Storage ConditionShipped at ambient temperature. Upon receipt store at +4°C. Stable for one year. Do not freeze!