Beta Pleated Sheet
SKU: 68796W
This molecular model kit can build the backbone of a beta pleated sheet using 20 amino acid cores. The model consists of alpha carbons and amino & carboxyl groups with "R" groups projecting above & below the sheet's plane. The sheet can be built with chains running parallel or antiparallel where the N & C terminal ends alternate. You will need two kits to compare beta sheet structures with parallel & antiparallel versions .
In parallel beta sheets all the polypeptide strands run in the same direction (from N-terminus to C-terminus). Antiparallel beta sheets run in opposite directions, where one strand goes from N-terminus to C-terminus and the next goes from C-terminus to N-terminus. This is also reflected in hydrogen bonding strength which is less in parallel than in antiparallel sheets (as shown in the image).
Spider & other silks are characterized in having large sections of antiparallel beta sheet structures.
Indigo Instruments has maintained a substantial inventory of genuine Cochranes of Oxford (Orbit) parts for 30+ years and are compatible with every molecular model kit we have sold. This level of quality may appear expensive but no parts support from other vendors costs even more.
