>sp|A4GCI8-1|M1_I36A0 Isoform M1 of Matrix protein 1 OS=Influenza A virus (strain A/Henry/1936 H1N1) OX=425562 GN=M MSLLTEVETYVLSIIPSGPLKAEIAQRLEDVFAGKNTDLEALMEWLKTRPILSPLTKGIL GFVFTLTVPSERGLQRRRFVQNALNGNGDPNNMDKAVKLYRKLKREITFHGAKEISLSYS AGALASCMGLIYNRMGAVTTEVAFGLVCATCEQIADSQHRSHRQMVTTTNPLIRHENRMV LASTTAKAMEQMAGSSEQAAEAMEVASQARQMVQAMRTIGTHPSSSAGLKNDLLENLQAY QKRMGVQMQRFK