DFNB82; G protein signalling modulator 2 (AGS3 like C. elegans); G protein signalling modulator 2; G-protein-signaling modulator 2; Gpsm2; GPSM2_HUMAN; HGNC:29501; LGN; LGN protein; Mosaic protein LGN; Pins

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

IgG

Rabbit

GPSM2 antibody detects endogenous levels of total GPSM2

The antiserum was purified by peptide affinity chromatography using SulfoLink Coupling Resin.

Liquid
Phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.

1mg/ml (lot specific)

Store at -20 degree C. Stable for 12 months from date of receipt.

Manufactured in an ISO 9001:2015 Certified Laboratory.

Manufactured in a lab with traceable raw materials manufactured on site. Coordinated product portfolio of antibodies, pairs, conjugates, recombinant proteins, and immunoassay materials available, please inquire.

Small volumes of anti-GPSM2 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Function: Plays an important role in mitotic spindle pole organization via its interaction with NUMA1 (PubMed:11781568, PubMed:15632202, PubMed:21816348). Required for cortical dynein-dynactin complex recruitment during metaphase (PubMed:22327364). Plays a role in metaphase spindle orientation (PubMed:22327364). Plays also an important role in asymmetric cell divisions (PubMed:21816348). Has guanine nucleotide dissociation inhibitor (GDI) activity towards G(i) alpha proteins, such as GNAI1 and GNAI3, and thereby regulates their activity (By similarity).
Subunit Structure: Interacts with the dynein-dynactin complex; this interaction is inhibited in a PLK1-dependent manner (PubMed:22327364). Part of a spindle orientation complex at least composed of GNAI1, GPSM2 and NUMA1 (PubMed:26766442). Interacts with LLGL2 (PubMed:15632202). Interacts (via TPR repeat region) with INSC/inscuteable (PubMed:16458856, PubMed:22074847). Interacts (via TPR repeat region) with NUMA1 (via C-terminus); this interaction is direct, inhibited in a PLK1-dependent manner, prevents the binding of NUMA1 with SPAG5 and promotes spindle pole organization (PubMed:11781568, PubMed:22327364, PubMed:27462074). INSC and NUMA1 compete for the same , but INSC has higher affinity and can displace NUMA1 (in vitro) (PubMed:22074847). Interacts with GNAI2 (PubMed:8973305). Interacts (via GoLoco domains) with the GDP-bound form of GNAI1 and GNAI3; has much lower affinity for the GTP-bound form. Interaction with GDP-bound GNAI3 strongly enhances the affinity for NUMA1 (By similarity). Interacts (via TPR repeat region) with FRMPD1 (PubMed:22074847). INSC and FRMPD1 compete for the same , but INSC has higher affinity and can displace FRMPD1 (in vitro) (By similarity). Interacts (via TPR repeat region) with FRMPD4 (PubMed:22074847, PubMed:25664792). Identified in a complex with INSC and F2RL2/Par3 (PubMed:16458856).
Similarity: Belongs to the GPSM family.

Western Blot (WB), ELISA (EIA)

WB: 1:1000-3000

Western blot analysis GPSM2 using K562 whole cell lysates

Observed: 77 kDa
Predicted: 77 kDa

G protein signaling modulator 2

G-protein-signaling modulator 2

G-protein-signaling modulator 2

LGN??[Similar Products]

The protein encoded by this gene belongs to a family of proteins that modulate activation of G proteins, which transduce extracellular signals received by cell surface receptors into integrated cellular responses. The N-terminal half of this protein contains 10 copies of leu-gly-asn (LGN) repeat, and the C-terminal half contains 4 GoLoco motifs, which are involved in guanine nucleotide exchange. This protein may play a role in neuroblast division and in the development of normal hearing. Mutations in this gene are associated with autosomal recessive nonsyndromic deafness (DFNB82). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2016]

Plays an important role in mitotic spindle pole organization via its interaction with NUMA1 (PubMed:11781568, PubMed:15632202, PubMed:21816348). Required for cortical dynein-dynactin complex recruitment during metaphase (PubMed:22327364). Plays a role in metaphase spindle orientation (PubMed:22327364). Plays also an important role in asymmetric cell divisions (PubMed:21816348). Has guanine nucleotide dissociation inhibitor (GDI) activity towards G(i) alpha proteins, such as GNAI1 and GNAI3, and thereby regulates their activity ().

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