>1CKB_1|Chain A|C-CRK N-TERMINAL SH3 DOMAIN|Mus musculus (10090)
AEYVRALFDFNGNDEEDLPFKKGDILRIRDKPEEQWWNAEDSEGKRGMIPVPYVEKY
>1CKB_2|Chain B|SOS PEPTIDE (PRO-PRO-PRO-VAL-PRO-PRO-ARG-ARG-ARG-ARG)|Homo sapiens (9606)
PPPVPPRRRR