Small subunit

Figure 1 Schematic drawing of the morphology of the ribosome. The ribosomal subunits are labeled, as are the approximate locations of their respective functional centers. The drawing is a transparent view from the solvent side of the small subunit. Transfer RNAs are shown in different binding states with the arrow indicating their direction of movement through the ribosome. The tRNA anticodon ends are oriented towards the viewer, whereas the 3-ends of the tRNAs are oriented towards the peptidyl transferase region on the large subunit. The letters h and b denote the head and body regions on the 30S subunit, respectively.

Van den Broek, G., Timko, M.P., Kausch, A.P., Cashmore, A.R., Van Montagu, M. Herrera-Estrella, L. (1985). Targeting of a foreign protein to chloroplasts by fusion to the transit peptide from the small subunit of ribulose 1,5-biphosphate carboxylase. Nature, 313, 358-63. 

Small subunit rRNA gene sequences have been determined for a large number of nematode taxa distributed across the phylum (Ellis et al., 1986 Zarlenga et al, 1994a,b Fitch et al., 1995 Fitch and Thomas, 1997 Aleshin et al, 1998 Blaxter et al., 1998 Kampfer et al, 1998 Dorris et al., 1999). These can thus be used to examine the relationships of the different nematode orders. The pattern of nematode evolution that emerges is... 

Fig. 1.1. The phylogenetic structure of the Nematoda revealed by small subunit ribosomal RNA analysis. (A) Neighbour-joining (NJ) analysis of aligned ssu rRNA genes from nematodes. The alignment is based on that of Blaxter etal. (1998), with the addition of sequences from Aleshin etal. (1998), Nadler (1998)...

Zarlenga, D.S., Lichtenfels, J.R. and Stringfellow, F. (1994a) Cloning and sequence analysis of the small subunit ribosomal RNA gene from Nematodirus battus. Journal of Parasitology 80, 342-344. 

The main idea of the simplex decomposition method is to divide the lattice, on which the scalar field is specified, into small subunits and approximate the... 

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