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subunits Untereinheiten
Inhibin-beta Subunits definition: They are glycopeptides and subunits in INHIBINS and ACTIVINS. Inhibins and activins belong to the transforming growth factor beta superfamily.
Protein Subunits definition: Single chains of amino acids that are the units of multimeric PROTEINS. Multimeric proteins can be composed of identical or non-identical subunits. One or more monomeric subunits may compose a protomer which itself is a subunit structure of a larger assembly.
Catalytic Domain definition: The region of an enzyme that interacts with its substrate to cause the enzymatic reaction.
Adaptor Protein Complex Subunits definition: The subunits that make up the large, medium and small chains of adaptor proteins.
Integrin alpha Chains definition: The alpha subunits of integrin heterodimers (INTEGRINS), which mediate ligand specificity. There are approximately 18 different alpha chains, exhibiting great sequence diversity; several chains are also spliced into alternative isoforms. They possess a long extracellular portion (1200 amino acids) containing a MIDAS (metal ion-dependent adhesion site) motif, and seven 60-amino acid tandem repeats, the last 4 of which form EF HAND MOTIFS. The intracellular portion is short with the exception of INTEGRIN ALPHA4.
Integrin beta Chains definition: Integrin beta chains combine with integrin alpha chains to form heterodimeric cell surface receptors. Integrins have traditionally been classified into functional groups based on the identity of one of three beta chains present in the heterodimer. The beta chain is necessary and sufficient for integrin-dependent signaling. Its short cytoplasmic tail contains sequences critical for inside-out signaling.
large ribosomal subunit definition: The larger of the two subunits of a ribosome. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
Ribosome Subunits, Large definition: The largest ribonucleoprotein component of RIBOSOMES. It contains the domains which catalyze formation of the peptide bond and translocation of the ribosome along the MESSENGER RNA during GENETIC TRANSLATION.
small ribosomal subunit definition: The smaller of the two subunits of a ribosome. [GOC:mah]
Ribosome Subunits, Small definition: The small ribonucleoprotein component of RIBOSOMES. It contains the MESSENGER RNA binding site and two TRANSFER RNA binding sites - one for the incoming AMINO ACYL TRNA (A site) and the other (P site) for the peptidyl tRNA carrying the elongating peptide chain.
12 further definitions >>

Structure of transcriptionally-active chromatin subunits.

J M Gottesfeld et al.

Nucleic Acids Research , 01 Sep 1977

Effect of ribonuclease T1 on ribosomal subunits of rat liver.

M J Marion et al.

Nucleic Acids Research , 01 Oct 1976

Proteins Interacting With Caenorhabditis elegans  Gα Subunits

Edwin Cuppen et al.

Comparative and Functional Genomics , 01 Oct 2003

Conservation of Helical Bundle Structure between the Exocyst Subunits

Nicole J. Croteau et al.

PLoS ONE , 13 Feb 2009

Binding of E. coli RNA polymerase to chromatin subunits.

M Bustin

Nucleic Acids Research , 01 Mar 1978

Studies on chromatin. II. Isolation and characterization of chromatin subunits.

V V Bakayev et al.

Nucleic Acids Research , 01 Aug 1975

The distribution of histone H1 subfractions in chromatin subunits.

C Gorka et al.

Nucleic Acids Research , 25 Sep 1979

Structural and functional homology between the RNAP I subunits A14/A43 and the archaeal RNAP subunits E/F

Hedije Meka et al.

Nucleic Acids Research , 01 Aug 2003

Features of 80S mammalian ribosome and its subunits

Tatyana V. Budkevich et al.

Nucleic Acids Research , 01 Aug 2008

Structure of chromatin subunits: an endonuclease Serratia marcescens study.

V A Pospelov et al.

Nucleic Acids Research , 01 Sep 1977

1157 further publications >>