>4KXL_1|Chains A, B, C, D|2'-deoxynucleoside 5'-phosphate N-hydrolase 1|Rattus norvegicus (10116) MRRSVYFCGSIRGGREDQALYARIVSRLRRYGKVLTEHVADAELEPLGEEAAGGDQFIHEQNLNWLQQADVVVAEVTQPSLGVGYELGRAVALGKPILCLFRPQSGRVLSAMIRGAADGSRFQVWDYAEGEVETMLDRYFEAYLVEHHHHHH