Invalid Input

Check PDB Code: Valid examples are '1ake', '1_k_', '1*e', & '*ak*'
Check EC Number: Valid examples are '2.1.3.2', '2._._._', '2.*.1_.2', '*.1.3.*', & '1.-.-.-'
Check Protein Source: Valid examples are 'ESCHERICHIA COLI', 'ESCHERICHIA CO__', 'E* COLI', & '*ESCHERICH*'
Check Keywords: Valid examples are 'SUGAR-BINDING', 'SUGAR_BIND*', & 'SUGAR*'
Check Author: Need complete surname like 'CARLSON'

-Only valid characters are allowed for each input field.
-Valid wildcards: "_" for single character, "*" for zero or more characters.
-All search fields are case insensitive.
-Search results will match ALL criteria specified.

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