FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term GO:0031430 ID (Ontology) GO:0031430 (Gene Ontology)
Definition The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines.[ ISBN:0198506732 ISBN:0815316194 ]
Also Known As "M disc" ; "mesophragma"
Comment
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  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      34
Genes (FBgn)  GO_CELLULAR_COMPONENT      14
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      24
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Constructs
 GO:0031430 (all annotations which use CV term, excluding "NOT" statements)      34     16     24
     GO:0031430 | FBdv:00005369       3       --       2
     GO:0031430 | FBdv:00005369 | FBcv:0000793       2       --       1
     is_active_in | GO:0031430       --       3       --
     located_in | GO:0031430       --      11       --
Spanning Tree (Parents/Children)
Only view relationship: 
GO:0005575
 |__GO:0110165__
GO:0030017      |
 |__GO:0031672__|
GO:0110165      |
 |__GO:0031672__|
                GO:0031430  74 rec.
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Is a cellular anatomical structure
Part of A band
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Synonyms
  • "M disc" EXACT
    "M line" NARROW
    "mesophragma" EXACT
    "midline" BROAD
Secondary IDs
hide External Crossreferences & Linkouts
Wikipedia:Sarcomere#bands