Table 4.

IMGT structure database, analysis tool and Web resources

IMGT structural database [1]	IMGT structural analysis tool [1]	IMGT Repertoire"2D and 3D structures" section [2]
IMGT/3D structure-DB [15]	IMGT/StructuralQuery [15]	2D Colliers de Perles IG and TR [3, 4, 16, 17, 19] (1) 2D Colliers de Perles MHC [18, 36] 2D Colliers de Perles RPI [16-18, 21, 22, 24, 37] IMGT classes for amino acid characteristics [31] IMGT Colliers de Perles reference profiles [31] 3D representations (1)

(1) Cover of the Nucleic Acids Research 1999 database issue http://imgt.cines.fr/textes/IMGTinformation/Couv_NAR99.jpg