>4ECE_1|Chains A, B, C, D, E, F|Purine nucleoside phosphorylase|Homo sapiens (9606) MRGSHHHHHHGMASMTGGQQMGRDLYDDDDKDPTLMENGYTYEDYKNTAEYLLSHTKHRPQVAIICGSGLGGLTDKLTQAQIFDYSEIPNFPRSTVPGHAGRLVFGFLNGRACVMMQGRFHMYEGYPLYKVTFPVRVFHLLGVDTLVVTNAAGGLNPKFEVGDIMLIRDHINLPGFSGQNPLRGPNDERFGDRFPAMSDAYDRTMRQRALSTYKQMGEQRELQEGTYVMVAGPSFETVAECRVLQKLGADAVGMSTVPEVIVARHCGLRVFGFSLITNKVIMDYESLEKANWEEVLAAGKQAAQKLEQFVSILMASIPLPDKAS