>gi|12408647 X-ray repair cross complementing protein 4 isoform 2 [Homo sapiens] MERKISRIHLVSEPSITHFLQVSWEKTLESGFVITLTDGHSAWTGTVSES EISQEADDMAMEKGKYVGELRKALLSGAGPADVYTFNFSKESCYFFFEKN LKDVSFRLGSFNLEKVENPAEVIRELICYCLDTIAENQAKNEHLQKENER LLRDWNDVQGRFEKCVSAKEALETDLYKRFILVLNEKKTKIRSLHNKLLN AAQEREKDIKQEGETAICSEMTADRDPVYDESTDEESENQTDLSGLASAA VSKDDSIISSLDVTDIAPSRKRRQRMQRNLGTEPKMAPQENQLQEKENSR PDSSLPETSKKEHISAENMSLETLRNSSPEDLFDEI