| regions of upper limb | The topographic divisions of the upper limb: deltoid, arm, elbow, forearm, carpal region, and hand. Synonym: regiones membri superioris, regions of superior limb. (05 Mar 2000) |
|---|---|
| regulatory regions or sequences | A DNA base sequence that controls gene expression. (05 Mar 2000) |
| complementarity determining regions | That part of an antibody or T-cell receptor variable region that binds with antigen or antigen/major histocompatibility molecule. (05 Mar 2000) |
| promoter regions | <genetics> DNA sequences which are recognised (directly or indirectly) and bound by a DNA-dependent RNA polymerase during the initiation of transcription. Highly conserved sequences within the promoter include the pribnow box in bacteria and the tata box in eukaryotes. (12 Dec 1998) |
| scaffold-associated regions | Sites in DNA that bind topoisomerase II and other scaffold proteins; found in introns. (05 Mar 2000) |
| hypervariable regions | The regions of the immunoglobulin molecule that contain most of the residues involved in the antibody binding site. (05 Mar 2000) |