>3ZZZ_2|Chains C, D|RIBONUCLEOPROTEIN PTB-BINDING 1|MUS MUSCULUS (10090)
GAMGSSEGLLGLGPGP
>3ZZZ_1|Chains A, B|POLYPYRIMIDINE TRACT-BINDING PROTEIN 1|HOMO SAPIENS (9606)
SVQSGNLALAASAAAVDAGMAMAGQSPVLRIIVENLFYPVTLDVLHQIFSKFGTVLKIITFTKNNQFQALLQYADPVSAQHAKLSLDGQNIYNACCTLRIDFSKLTSLNVKYNNDKSRDYTRPDLPSGDS