>4isv_B mol:protein length:221 1C2 FAB HEAVY CHAIN
SIQLVQSGPELKKPGETVRISCKASGYSFTTYGMNWVKQAPGKGLKWMGWINTYSGVPTYADDFKGRFAFSLETSASTAYLQINILKNEDTATYFCARRRSDGYSNYFDYWGQGSTLTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSQTVTCNVAHPASSTKVDKKIVPR