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AB113399

Recombinant Human DNA Polymerase lambda protein

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Recombinant Human DNA Polymerase lambda protein is a Human Full Length protein, in the 1 to 300 aa range, expressed in Escherichia coli, with >90%, suitable for SDS-PAGE, Mass Spec.

View Alternative Names

DNA polymerase lambda, Pol Lambda, DNA polymerase beta-2, DNA polymerase kappa, Pol beta2, POLL

1 Images
SDS-PAGE - Recombinant Human DNA Polymerase lambda protein (AB113399)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant Human DNA Polymerase lambda protein (AB113399)

15% SDS-PAGE of DNA Polymerase lambda/Polk protein : (1) MW ladder, (2) protein loaded 3ug

Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Tags

His tag N-Terminus

Applications

Mass Spec, SDS-PAGE

applications

Biologically active

No

Accession

Q9UGP5

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 30% Glycerol (glycerin, glycerine), 0.58% Sodium chloride, 0.32% Tris HCl, 0.02% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

storage-buffer

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "Mass Spec": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Sequence info

[{"sequence":"MGSSHHHHHHSSGLVPRGSHMLMHHQKYLQRFLGGKREKKQKEACSIPGIGKRMAEKIIEILESGHLRKLDHISESVPVLELFSNIWGAGTKTAQMWYQQGFRSLEDIRSQASLTTQQAIGLKHYSDFLERMPREEATEIEQTVQKAAQAFNSGLLCVACGSYRRGKATCGDVDVLITHPDGRSHRGIFSRLLDSLRQEGFLTDDLVSQEENGQQQKYLGVCRLPGPGRRHRRLDIIVVPYSEFACALLYFTGSAHFNRSMRALAKTKGMSLSEHALSTAVVRNTHGCKVGPGRVLPTPTEKDVFRLLGLPYREPAERDW","proteinLength":"Full Length","predictedMolecularWeight":"36 kDa","actualMolecularWeight":null,"aminoAcidEnd":300,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q9UGP5","tags":[{"tag":"His","terminus":"N-Terminus"}]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

DNA polymerase lambda also known as pol λ or DNA pol λ is a DNA polymerase protein involved in DNA repair and replication processes. It has a molecular weight of approximately 65 kDa. DNA polymerase lambda is expressed in various tissues but shows a high concentration in testis and thymus indicating its role in germ cells and immune response. The enzyme exhibits both DNA polymerase and terminal transferase activities facilitating DNA synthesis across gaps and lesions.
Biological function summary

DNA polymerase lambda acts as a gap-filling enzyme during DNA repair processes especially in base excision repair and non-homologous end joining. This polymerase does not typically function within a larger complex but requires accessory factors to perform its repair functions. It maintains genomic stability by providing an accurate extension of DNA strands during repair ensuring the correct rejoining of DNA. Furthermore it also exhibits a lyase activity that can remove 5'-deoxyribose phosphate residues.

Pathways

DNA polymerase lambda is actively involved in the base excision repair and non-homologous end joining pathways. These pathways are important for fixing DNA single-strand breaks and double-strand breaks respectively. Pol λ works alongside proteins like XRCC1 in the short-patch base excision repair pathway and interacts with KU70/80 in non-homologous end joining reinforcing its multifaceted role in maintaining DNA integrity under varying genotoxic stress conditions.

DNA polymerase lambda is linked to conditions such as cancer and immunodeficiencies where its dysfunction can lead to genomic instability. The loss or aberrant function of DNA pol λ may result in ineffective DNA repair contributing to cancer development due to accumulated DNA damage. It can also interact with tumor suppressor p53 highlighting its involvement in pathways that prevent oncogenesis. Additionally impairments in its function can contribute to immunodeficiency disorders as proper DNA repair is essential for the development and function of the immune system.

Specifications

Form

Liquid

Additional notes

Conventional chromatography techniques (anion exchange followed by gel filtration with 20mM Tris pH 7.5, 2mM EDTA).

General info

Function

DNA polymerase that functions in several pathways of DNA repair (PubMed : 11457865, PubMed : 19806195, PubMed : 20693240, PubMed : 30250067). Involved in base excision repair (BER) responsible for repair of lesions that give rise to abasic (AP) sites in DNA (PubMed : 11457865, PubMed : 19806195). Also contributes to DNA double-strand break repair by non-homologous end joining and homologous recombination (PubMed : 19806195, PubMed : 20693240, PubMed : 30250067). Has both template-dependent and template-independent (terminal transferase) DNA polymerase activities (PubMed : 10887191, PubMed : 10982892, PubMed : 12809503, PubMed : 14627824, PubMed : 15537631, PubMed : 19806195). Has also a 5'-deoxyribose-5-phosphate lyase (dRP lyase) activity (PubMed : 11457865, PubMed : 19806195).

Sequence similarities

Belongs to the DNA polymerase type-X family.

Subcellular localisation

Nucleus

Product protocols

Target data

DNA polymerase that functions in several pathways of DNA repair (PubMed : 11457865, PubMed : 19806195, PubMed : 20693240, PubMed : 30250067). Involved in base excision repair (BER) responsible for repair of lesions that give rise to abasic (AP) sites in DNA (PubMed : 11457865, PubMed : 19806195). Also contributes to DNA double-strand break repair by non-homologous end joining and homologous recombination (PubMed : 19806195, PubMed : 20693240, PubMed : 30250067). Has both template-dependent and template-independent (terminal transferase) DNA polymerase activities (PubMed : 10887191, PubMed : 10982892, PubMed : 12809503, PubMed : 14627824, PubMed : 15537631, PubMed : 19806195). Has also a 5'-deoxyribose-5-phosphate lyase (dRP lyase) activity (PubMed : 11457865, PubMed : 19806195).
See full target information POLL

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