>5F1S_1|Chain A|polymeric Immunoglobulin Receptor|Oncorhynchus mykiss (8022) RVTTVGDLAVLEGRSVMIPCHYGPQYASYVKYWCRGSVKDLCTSLVRSDAPRGPAAAGEDKVVMFDDPVQQVFTVTMTELQKEDSGWYWCGVEVGGVWSADVTASLHINVIQGLSVVNSMVSGEEGTSVTVQCLYSQGYRQHEKRWCRSGDWSSCLVTDGEGRYEDQAVEIRDDLTKAFTVTLKGLARRDTGWYWCAAGQQQVAVYILVTPPSHHHHHH