>3JU6_1|Chains A, B, C, D|Arginine kinase|Apostichopus japonicus (307972) MANLNQKKYPAKDDFPNFEGHKSLLSKYLTADMYAKLRDVATPSGYTLDRAIQNGVDNPDFHLGLLAGDEETYTVFADLFDPVIEEYHNGFKKTDNHKTDLDASKILDDVLDPAYVISSRVRTGRNIRGMALSPHVCRSERRAIEKMVSEALNSLAADLKGKYYSLMKMDEKTQQQLIDDHFLFDRPVSRHFTSGGMARDFPDGRGIWHNDKKNFLVWINEEDHTRIISMQMGGNMKEVFERFTRGLTEVEKHIKDKTGKEFMKNDHLGFVLTCPSNLGTGVRCSVHAKLPHMAKDKRFEEICTKMRLQKRGTSGEFTESVGGVYDISNLDRLGSSEVEQVNCVIKGVKVLIEMEKKLEKGESIDDLVPK