>sp|A8C8W5-1|M1_I67A2 Isoform M1 of Matrix protein 1 OS=Influenza A virus (strain A/Swine/Wisconsin/1/1967 H1N1) OX=382855 GN=M MSLLTEVETYVLSIVPSGPLKAEIAQRLEDVFAGKNTDLEALMEWLKTRPILSPLTKGIL GFVFTLTVPSERGLQRRRFVQNALNGNGDPNNMDKAVKLYRKLKREITFHGAKEVALSYS AGALASCMGLIYNRMGTVTTEVAFGLVCATCEQIADSQHRSHRQMVTTTNPLIRHENRMV LASTTAKAMEQMAGSSEQAAEAMEVASQARQMVQAMRTIGTHPSSSAGLKDDLLENLQAY QKRMGVQMQRFK