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What (who) is B7 polytope - definition
B7 polytope
WIKIMEDIA LIST ARTICLE
List of 7-cube polytopes; List of B7 polytopes
In 7-dimensional geometry, there are 128 uniform polytopes with B7 symmetry. There are two regular forms, the 7-orthoplex, and 8-cube with 14 and 128 vertices respectively.
B7 (protein)
FAMILY OF CELL-SURFACE PROTEINS FOUND ON ANTIGEN-PRESENTING CELLS
B7 family; B7 antigens
B7 is a type of integral membrane protein found on activated antigen-presenting cells (APC) that, when paired with either a CD28 or CD152 (CTLA-4) surface protein on a T cell, can produce a costimulatory signal or a coinhibitory signal to enhance or decrease the activity of a MHC-TCR signal between the APC and the T cell, respectively.
Integral polytope
CONVEX POLYTOPE WHOSE VERTICES ALL HAVE INTEGER CARTESIAN COORDINATES
Convex lattice polytope
In geometry and polyhedral combinatorics, an integral polytope is a convex polytope whose vertices all have integer Cartesian coordinates. That is, it is a polytope that equals the convex hull of its integer points.
