>gi|12408649 X-ray repair cross complementing protein 4 isoform 1 [Homo sapiens] MERKISRIHLVSEPSITHFLQVSWEKTLESGFVITLTDGHSAWTGTVSES EISQEADDMAMEKGKYVGELRKALLSGAGPADVYTFNFSKESCYFFFEKN LKDVSFRLGSFNLEKVENPAEVIRELICYCLDTIAENQAKNEHLQKENER LLRDWNDVQGRFEKCVSAKEALETDLYKRFILVLNEKKTKIRSLHNKLLN AAQEREKDIKQEGETAICSEMTADRDPVYDESTDEESENQTDLSGLASAA VSKDDSIISSLDVTDIAPSRKRRQRMQRNLGTEPKMAPQENQLQEKEKPD SSLPETSKKEHISAENMSLETLRNSSPEDLFDEI