:Mannan endo-1,6-alpha-mannosidase

{{Short description | Enzyme that hydrolyzes α-D-mannosidic linkages in mannans}}

{{Infobox enzyme

| Name = Mannan endo-1,6-α-mannosidase

| EC_number = 3.2.1.101

| CAS_number = 58500-56-4

| GO_code =

| image =

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Mannan endo-1,6-α-mannosidase ({{EnzExplorer|3.2.1.101}}, exo-1,6-β-mannanase, endo-α-1→6-D-mannanase, endo-1,6-β-mannanase, mannan endo-1,6-β-mannosidase, 1,6-α-D-mannan mannanohydrolase) is an enzyme with systematic name 6-α-D-mannan mannanohydrolase.{{cite journal | vauthors = Nakajima T, Maitra SK, Ballou CE | title = An endo-α1→6-D-mannanase from a soil bacterium. Purification, properties, and mode of action | journal = The Journal of Biological Chemistry | volume = 251 | issue = 1 | pages = 174–81 | date = January 1976 | pmid = 811665 }}{{cite journal | vauthors = Brigance WT, Barlowe C, Graham TR | title = Organization of the yeast Golgi complex into at least four functionally distinct compartments | journal = Molecular Biology of the Cell | volume = 11 | issue = 1 | pages = 171–82 | date = January 2000 | pmid = 10637300 | pmc = 14766 | doi = 10.1091/mbc.11.1.171 }}{{cite journal | vauthors = Nakajima T, Ballou CE | title = Structure of the linkage region between the polysaccharide and protein parts of Saccharomyces cerevisiae mannan | journal = The Journal of Biological Chemistry | volume = 249 | issue = 23 | pages = 7685–94 | date = December 1974 | pmid = 4612041 }} It catalyses the random hydrolysis of (1→6)-α-D-mannosidic linkages in unbranched (1→6)-mannans