Gh9 endoglucanase variants and polynucleotides encoding same

An endoglucanase variant, comprising an alteration at one or more positions in a chelator-induced instability region selected from the group consisting of:

• i) region 1 corresponding to amino acids 95 to 105 of SEQ ID NO:
• 2,
• ii) region 2 corresponding to amino acids 115 to 138 of SEQ ID NO:
• 2,
• iii) region 3 corresponding to amino acids 210 to 251 of SEQ ID NO:
• 2,
• iv) region 4 corresponding to amino acids 267 to 301 of SEQ ID NO:
• 2,
• v) region 5 corresponding to amino acids 339 to 361 of SEQ ID NO:
• 2,
• vi) region 6 corresponding to amino acids 547 to 595 of SEQ ID NO:
• 2,
• vii) region 7 corresponding to amino acids 612 to 660 of SEQ ID NO:
• 2, and
• viii) region 8 corresponding to amino acids 806 to 828 of SEQ ID NO:
• 2,
• wherein the variant has at least 60% and less than 100% sequence identity to SEQ ID NO:
• 2.