Postribosomal complexes containing eukaryotic initiation factor eIF-2.

Abstract:

:Eukaryotic initiation factors are found in the post-ribosomal subunits. We have analyzed the factor activities from the supernatant by means of zonal centrifugation followed by Sepharose-heparin affinity chromatography. They exist both as free factors, sedimenting in a broad range from 4 to 7S, and complexed with other protein(s) with a sedimentation value of 16-20S. This complexed fraction contains besides eIF-2 another activity which exhibits a profound stimulation on amino acid incorporation in crude lysates and appears to counteract the heme-regulated inhibitor.

journal_name

Mol Biol Rep

authors

Amesz H,Haubrich T,Voorma HO

doi

10.1007/BF00777498

subject

Has Abstract

pub_date

1979-05-31 00:00:00

pages

121-5

issue

1-2

eissn

0301-4851

issn

1573-4978

journal_volume

5

pub_type

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