#!/bin/bash
sed 's/^\(>[^ ]*\)/\1_CT/'
IyEvYmluL2Jhc2gKc2VkICdzL15cKD5bXiBdKlwpL1wxX0NULyc=
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
>YP_00698.1 hypothetical protein sp [Species 1]
MDMQFGYFTRNPSTKYPATLYPREVSCALYEDDNENTSLIPKSRHYHYTIQPPINYKKLTNVDRYKNFRL
>YP_0098.1 hypothetical protein sp [Species 2]
MDMQFGYFTRNPSTKYPATLYPREVSCALYEDDNENTSLIPKSRHYHYTIQPPINYKKLTNVDRYKNFRL
>YP_009378.1 hypothetical protein sp [Species 3]
MEDNTAEDIIKNHLLNTSNDDDDDADSLKKKKENIDDIVKESKNVNLFFISYIKAYNDLVLFLKQQEIVFINILHLNNLNLSIYNLLQKCYSTKDKYKFLPDNNKNLLQLILTLKKNVKFRLKRLKDK