Example:

Basic usage: AnAms1.0_A1:1-1000 URL or AnAms1.0_A1:1001..2000 URL
Complement: AnAms1.0_A1:1000-1 (start > left) URL
Multiple sequences: AnAms1.0_A1:1001-2000,AnAms1.0_A2:2000-1001,AnAms1.0_X:10001-12000 URL