Mannanase Variants and Polynucleotides Encoding Same

A variant of a parent mannanase, comprising a modification at one or more positions corresponding to positions:

• 168, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 30, 35, 36, 37, 38, 42, 45, 46, 49, 53, 57, 61, 63, 64, 65, 65, 69, 70, 72, 74, 76, 78, 82, 83, 86, 89, 94, 96, 97, 100, 101, 103, 105, 109, 110, 111, 112, 117, 118, 120, 122, 123, 126, 129, 130, 134, 137, 139, 141, 143, 155, 160, 161, 162, 163, 164, 165, 166, 167, 169, 170, 172, 174, 176, 178, 179, 181, 182, 183, 184, 185, 188, 189, 190, 192, 193, 195, 197, 213, 214, 215, 217, 218, 219, 228, 235, 239, 242, 248, 249, 252, 253, 254, 258, 259, 260, 267, 272, 280, 283, 285, 286, 299, 304, 312, 321, 322, 323, 324, 342, 344, 347, 351, 352, 354, 355, 358, 363, 364, 368, 377, 378, 379, 380, 385, 391, 398, 403, 408, 410, 413, 414, 417, 419, 422, 423, 437, 438, 440, 442, 443, 452, 454, 462, 463, 466, 467, 470, 472, 437, 477, 480, 482, 483, 484, 488, 489, 490, 491 of the polypeptide of SEQ ID NO:
• 1, wherein the variant has mannanase activity and wherein the variant has at least 85% sequence identity to the polypeptide of SEQ ID NO:
• 1, SEQ ID NO:
• 2, or a fragment thereof having mannanase activity.