>1qqr_C mol:protein length:138 STREPTOKINASE DOMAIN B IQNQAKSVDVEYTVQFTPLNPDDDFRPGLKLTKLLKTLAIGDTITSQELLAQAQSILNK NHPGYTIYERDSSIVTHDNDIFRTILPMDQEFTYRVKNREQAYRINKKSGLNEEINNTD LISEKYYVLKKGEKPYDPFD