+ if (trimmedsequence.equalsIgnoreCase("")) {
+ model.put("error", "The sequence cann't be empty");
+ model.put("value", sequence);
+ return "query/Sequence";
+ }
+ if (NONPROTEIN.matcher(trimmedsequence).find()) {
+ model.put("error", "The sequence contains symbols not from the standard protein alphabet");
+ model.put("value", sequence);
+ return "query/Sequence";
+ }
+