Type
Recombinant
Description
Total182 AA.Mw:19.7 kDa(calculated).UniProtKBacc.no.Q9NSA1.181AAoftheHumanFGF21andoneextraAA,N-terminalmethionin(highlighted).
AminoAcidSequence
MHPIPDSSPLLQFGGQVRQRYLYTDDAQQTEAHLEIREDGTVGGAADQSPESLLQLKALKPGVIQILGVKTSRFLCQRPDGALYGSLHFDPEACSFRELLLEDGYNVYQSEAHGLPLHLPGNKSPHRDPAPRGPARFLPLPGLPPALPEPPGILAPQPPDVGSSDPLSMVGPSQGRSPSYAS
Source
E.coli
Purity
Purityasdeterminedbydensitometricimageanalysis:> 95%
SDS-PAGEGel
12%SDS-PAGEseparationofHumanFGF21
1. M.W.Marker –14,21,31,45,66,97 kDa
2.reducedandheatedsample,2.5μg/lane
3.non-reducedandon-heatedsample,2.5μg/lane
Endotoxin
<1.0 EU/ug
Formulation
Filtered(0.4 μm)andlyophilizedin0.5 mg/mLin20mMTRIS,50mMNaCl,pH 7.5
Reconstitution
Add200 µlofdeionizedwatertoprepareaworkingstocksolutionofapproximately0.5 mg/mlandletthelyophilizedpelletdissolvecompletely.Filtersterilizeyourculturemedia/workingsolutionscontainingthisnon-sterileproductbeforeusingincellculture.AddDTT(0.2 mM)andNaCl(0.1–0.15 M)beforefreezingtopreventpotentialaggregation.
Applications
Westernblotting,ELISA
Shipping
Atambienttemperature.Uponreceipt,storetheproductatthetemperaturerecommended below.
Storage/Expiration
Storethelyophilizedproteinat –80°C.Lyophilizedproteinremainsstableuntiltheexpirydatewhenstoredat –80°C.Aliquotreconstitutedproteintoavoidrepeatedfreezing/thawingcyclesandstoreat –80°Cforlongtermstorage.Reconstitutedproteincanbestoredat4 °Cfora week.
QualityControlTest
BCAtodeterminequantityoftheprotein.
SDSPAGEtodeterminepurityoftheprotein.
LALtodeterminequantityofendotoxin.
Note
Thisproductisintendedforresearchuseonly.