Family GH 61 polypeptides

A detergent composition comprising an isolated glycoside hydrolase 61 (GH-61) polypeptide and a surfactant wherein the GH-61 polypeptide is selected from the group consisting of:

• (a) a polypeptide that has an amino acid sequence which has at least 95% identity to amino acids 1-216 of SEQ ID NO:
• 2, amino acids 1-304 of SEQ ID NO:
• 4 or amino acids 1-201 of SEQ ID NO:
• 6;
• (b) a polypeptide which is encoded by a nucleotide sequence which hybridizes under high stringency conditions with any of the following polynucleotide probes:
• (i) the complementary strand of nucleotides 52-699 of SEQ ID NO:
• 1, 46-957 of SEQ ID NO:
• 3, or 58-660 of SEQ ID NO:
• 5,
• (ii) the complementary strand of nucleotides 46 to 857 of SEQ ID NO:
• 3,
• (iii) the complementary strand of nucleotides 52-300 of SEQ ID NO:
• 1, 46-501 of SEQ ID NO:
• 3, or 58-300 of SEQ ID NO:
• 5, and
• (iv) the complementary strand of nucleotides 301-699 of SEQ ID NO:
• 1, 502-957 of SEQ ID NO:
• 3, or 301-660 of SEQ ID NO:
• 5.