IGSF1 Protein, Human (Cell-Free, His)
The IGSF1 protein acts as a coreceptor in inhibin signaling and is able to critically antagonize activin A signaling regardless of the presence of inhibin B. It plays a key role in the specific antagonism of inhibin B to activin-stimulated transcription and interacts with INHA. IGSF1 Protein, Human (Cell-Free, His) is the recombinant human-derived IGSF1 protein, expressed by E. coli Cell-free , with N-10*His labeled tag.
- Species: Human
- Source: E. coli Cell-free
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- Help & FAQs
Biological Activity
The IGSF1 protein acts as a coreceptor in inhibin signaling and is able to critically antagonize activin A signaling regardless of the presence of inhibin B. It plays a key role in the specific antagonism of inhibin B to activin-stimulated transcription and interacts with INHA. IGSF1 Protein, Human (Cell-Free, His) is the recombinant human-derived IGSF1 protein, expressed by E. coli Cell-free , with N-10*His labeled tag.
IGSF1 protein serves as a coreceptor in inhibin signaling, although it does not appear to function as a high-affinity inhibin receptor. It plays a crucial role in antagonizing activin A signaling, whether inhibin B is present or not. The protein is essential for mediating a specific antagonistic effect of inhibin B on activin-stimulated transcription, and it interacts with INHA. While a standard receptor binding assay indicated no interaction with INHA in one study, IGSF1 is known to interact with ACVR1B, and this interaction seems to be ligand-dependent, being diminished by inhibin B and activin A. Furthermore, IGSF1 interacts with ACVR2A, ACVR2B, ACVRL1, BMPR1B, and HECTD1, revealing its involvement in a complex network of protein interactions critical for modulating inhibin and activin signaling pathways.
Technical Parameters
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Species Human
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Source E. coli Cell-free
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Tag N-10*His
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Accession
Q8N6C5 (M1-I1336)
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Gene ID3547
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Molecular Construction
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N-term
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10*His
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IGSF1 (M1-I1336)
Accession # Q8N6C5 -
C-term
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Protein Length
Full Length
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Synonyms
IGSF1; Pituitary Gland-Specific Factor 2; Immunoglobulin Superfamily Member 1; Inhibin-Binding Protein; IGDC1; MGC75490; PGSF2; P120; KIAA0364; Immunoglobulin Superfamily, Member 1; IGCD1; InhBP; INHBP; IgSF1; Immunoglobulin-Like Domain-Containing Protein
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AA Sequence
MTLDRPGEGATMLKTFTVLLFCIRMSLGMTSIVMDPQPELWIESNYPQAPWENITLWCRSPSRISSKFLLLKDKTQMTWIRPSHKTFQVSFLIGALTESNAGLYRCCYWKETGWSKPSKVLELEAPGQLPKPIFWIQAETPALPGCNVNILCHGWLQDLVFMLFKEGYAEPVDYQVPTGTMAIFSIDNLTPEDEGVYICRTHIQMLPTLWSEPSNPLKLVVAGLYPKPTLTAHPGPIMAPGESLNLRCQGPIYGMTFALMRVEDLEKSFYHKKTIKNEANFFFQSLKIQDTGHYLCFYYDASYRGSLLSDVLKIWVTDTFPKTWLLARPSAVVQMGQNVSLRCRGPVDGVGLALYKKGEDKPLQFLDATSIDDNTSFFLNNVTYSDTGIYSCHYLLTWKTSIRMPSHNTVELMVVDKPPKPSLSAWPSTVFKLGKAITLQCRVSHPVLEFSLEWEERETFQKFSVNGDFIISNVDGKGTGTYSCSYRVETHPNIWSHRSEPLKLMGPAGYLTWNYVLNEAIRLSLIMQLVALLLVVLWIRWKCRRLRIREAWLLGTAQGVTMLFIVTALLCCGLCNGVLIEETEIVMPTPKPELWAETNFPLAPWKNLTLWCRSPSGSTKEFVLLKDGTGWIATRPASEQVRAAFPLGALTQSHTGSYHCHSWEEMAVSEPSEALELVGTDILPKPVISASPTIRGQELQLRCKGWLAGMGFALYKEGEQEPVQQLGAVGREAFFTIQRMEDKDEGNYSCRTHTEKRPFKWSEPSEPLELVIKEMYPKPFFKTWASPVVTPGARVTFNCSTPHQHMSFILYKDGSEIASSDRSWASPGASAAHFLIISVGIGDGGNYSCRYYDFSIWSEPSDPVELVVTEFYPKPTLLAQPGPVVFPGKSVILRCQGTFQGMRFALLQEGAHVPLQFRSVSGNSADFLLHTVGAEDSGNYSCIYYETTMSNRGSYLSMPLMIWVTDTFPKPWLFAEPSSVVPMGQNVTLWCRGPVHGVGYILHKEGEATSMQLWGSTSNDGAFPITNISGTSMGRYSCCYHPDWTSSIKIQPSNTLELLVTGLLPKPSLLAQPGPMVAPGENMTLQCQGELPDSTFVLLKEGAQEPLEQQRPSGYRADFWMPAVRGEDSGIYSCVYYLDSTPFAASNHSDSLEIWVTDKPPKPSLSAWPSTMFKLGKDITLQCRGPLPGVEFVLEHDGEEAPQQFSEDGDFVINNVEGKGIGNYSCSYRLQAYPDIWSEPSDPLELVGAAGPVAQECTVGNIVRSSLIVVVVVALGVVLAIEWKKWPRLRTRGSETDGRDQTIALEECNQEGEPGTPANSPSSTSQRISVELPVPI
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Predicted Molecular Mass
151.8 kDa
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add 5-50% of glycerol (final concentration). Our default final concentration of glycerol is 50%. Customers could use it as reference.
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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