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Key Documents

SAB1400151

Sigma-Aldrich

Anti-LBR antibody produced in mouse

IgG fraction of antiserum, buffered aqueous solution

Synonym(s):

Anti-DHCR14B, Anti-LMN2R, Anti-MGC9041, Anti-PHA, Anti-PRO0650

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About This Item

MDL number:
MFCD01634008
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

100

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

human

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
indirect immunofluorescence: suitable
western blot: 1 μg/mL

UniProt accession no.

Q14739

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... LBR(3930)

General description

Lamin B receptor (LBR) is a transmembrane protein which is expressed in the inner nuclear membrane. It possesses an amino-terminal domain, eight transmembrane domains and a carboxyl-terminal region. The gene encoding LBR is localized on human chromosome 1q42.

Immunogen

LBR (NP_002287.2, 1 a.a. ~ 615 a.a) full-length human protein.

Sequence
MPSRKFADGEVVRGRWPGSSLYYEVEILSHDSTSQLYTVKYKDGTELELKENDIKPLTSFRQRKGGSTSSSPSRRRGSRSRSRSRSPGRPPKSARRSASASHQADIKEARREVEVKLTPLILKPFGNSISRYNGEPEHIERNDAPHKNTQEKFSLSQESSYIATQYSLRPRREEVKLKEIDSKEEKYVAKELAVRTFEVTPIRAKDLEFGGVPGVFLIMFGLPVFLFLLLLMCKQKDPSLLNFPPPLPALYELWETRVFGVYLLWFLIQVLFYLLPIGKVVEGTPLIDGRRLKYRLNGFYAFILTSAVIGTSLFQGVEFHYVYSHFLQFALAATVFCVVLSVYLYMRSLKAPRNDLSPASSGNAVYDFFIGRELNPRIGTFDLKYFCELRPGLIGWVVINLVMLLAEMKIQDRAVPSLAMILVNSFQLLYVVDALWNEEALLTTMDIIHDGFGFMLAFGDLVWVPFIYSFQAFYLVSHPNEVSWPMASLIIVLKLCGYVIFRGANSQKNAFRKNPSDPKLAHLKTIHTSTGKNLLVSGWWGFVRHPNYLGDLIMALAWSLPCGFNHILPYFYIIYFTMLLVHREARDEYHCKKKYGVAWEKYCQRVPYRIFPYIY

Biochem/physiol Actions

Lamin B receptor (LBR) inhibits immature chromatin binding of proteins. It has a role in the construction of the nuclear envelope in vitro and in vivo. Mutation in the gene encoding LBR has been linked to Pelger-Huët anomaly (PHA).

Physical form

Solution in phosphate buffered saline, pH 7.4

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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An in vitro model for Pelger-Huet anomaly: stable knockdown of lamin B receptor in HL-60 cells.
Olins AL
Nucleus (Austin, Tex.) (2010)
Shiwei Liu et al.
Nature, 561(7724), 551-555 (2018-09-21)
Defects in the architecture or integrity of the nuclear envelope are associated with a variety of human diseases1. Micronuclei, one common nuclear aberration, are an origin for chromothripsis2, a catastrophic mutational process that is commonly observed in cancer3-5. Chromothripsis occurs
Dosage effect of zero to three functional LBRgenes
in vivo and in vitro
Sophia Gravemann
Nucleus (Austin, Tex.) (2010)
Temporal control of nuclear envelope assembly by phosphorylation of lamin B receptor.
Tseng LC and Chen RH
Molecular Biology of the Cell (2011)
Shangming Tang et al.
Nature, 606(7916), 930-936 (2022-04-28)
Chromothripsis is a catastrophic mutational process that promotes tumorigenesis and causes congenital disease1-4. Chromothripsis originates from aberrations of nuclei called micronuclei or chromosome bridges5-8. These structures are associated with fragile nuclear envelopes that spontaneously rupture9,10, leading to DNA damage when
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