Compositions and methods comprising serine protease variants

An isolated subtilisin variant, wherein said subtilisin variant is a mature form having proteolytic activity and comprises an amino acid sequence comprising a combination of amino acid substitutions selected from:

• G020R-N043R, N062E-A158E, S103G-A158E, S128N-A158E, A016S-A158E, V104L-A158E, E089P-A158E, L111V-A158E, T022A-A158E, S101A-A158E, L148I-A158E, P129E-A158E, T022A-E089P, A016S-E089P, N062E-E089P, N062E-E271F, A158E-E271F, R186H-E271F, P129E-E271F, L111V-E271F, Y209E-E271F, A016S-E271F, S188D-E271F, T022A-E271F, G159E-E271F, V104L-E271F, S101A-E271F, E089P-E271F, S128N-E271F, S103G-E271F, L148I-E271F, H249R-E271F, N062E-G159E, A016S-G159E, S128N-G159E, L148I-G159E, L111V-G159E, E089P-G159E, T022A-G159E, P129E-G159E, S103G-G159E, V104L-G159E, A158E-G159E, S101A-G159E, A158E-H249R, L111V-H249R, P129E-H249R, N062E-H249R, A016S-H249R, R186H-H249R, L148I-H249R, G159E-H249R, S101A-H249R, S188D-H249R, V104L-H249R, Y209E-H249R, T022A-H249R, S128N-H249R, S103G-H249R, E089P-H249R, T022A-L111V, S101A-L111V, A016S-L111V, V104L-L111V, N062E-L111V, S103G-L111V, E089P-L111V, A016S-L148I, N062E-L148I, T022A-L148I, P129E-L148I, V104L-L148I, S103G-L148I, S128N-L148I, S101A-L148I, E089P-L148I, L111V-L148I, A016S-N062E, T022A-N062E, N062E-P129E, T022A-P129E, S128N-P129E, A016S-P129E, S101A-P129E, V104L-P129E, E089P-P129E, S103G-P129E, L111V-P129E, N062E-R186H, S128N-R186H, S101A-R186H, T022A-R186H, A016S-R186H, A158E-R186H, E089P-R186H, P129E-R186H, G159E-R186H, S103G-R186H, V104L-R186H, L111V-R186H, L148I-R186H, N062E-S101A, T022A-S101A, A016S-S101A, E089P-S101A, N062E-S103G, T022A-S103G, A016S-S103G, S101A-S103G, E089P-S103G, N062E-S128N, A016S-S128N, T022A-S128N, S101A-S128N, V104L-S128N, E089P-S128N, S103G-S128N, L111V-S128N, L111V-S188D, N062E-S188D, A016S-S188D, L148I-S188D, T022A-S188D, S128N-S188D, S101A-S188D, V104L-S188D, E089P-S188D, P129E-S188D, G159E-S188D, R186H-S188D, S103G-S188D, A158E-S188D, A016S-T022A, A016S-V104L, T022A-V104L, S101A-V104L, N062E-V104L, S103G-V104L, E089P-V104L, G159E-Y209E, L111V-Y209E, S101A-Y209E, A016S-Y209E, S128N-Y209E, L148I-Y209E, P129E-Y209E, N062E-Y209E, T022A-Y209E, S103G-Y209E, A158E-Y209E, S188D-Y209E, V104L-Y209E, E089P-Y209E, R186H-Y209E, N018R-W241R, G020R-W241R, S024R-W241R, S009A-W241R, G020R-W241R, V004R-W241R, N043R-W241R, S078R-W241R, T022R-W241R, G115R-W241R, A001R-W241R, S212F-W241R, L082R-W241R, N018R-V244R, S024R-V244R, S078R-V244R, G020R-V244R, S212F-V244R, S009A-V244R, L082R-V244R, A001R-V244R, N043R-V244R, T022R-V244R, V004R-V244R, G115R-V244R, W241R-V244R, S242R-V244R, A001R-V004R, S009A-T022R, N018R-T022R, G020R-T022R, V004R-T022R, A001R-T022R, S024R-S242R, N018R-S242R, V004R-S242R, G020R-S242R, S212F-S242R, L082R-S242R, S078R-S242R, A001R-S242R, S009A-S242R, T022R-S242R, G115R-S242R, N043R-S242R, W241R-S242R, N018R-S212F, T022R-S212F, V004R-S212F, S024R-S212F, A001R-S212F, G115R-S212F, G020R-S212F, S009A-S212F, N043R-S212F, S078R-S212F, L082R-S212F, S009A-S078R, G020R-S078R, S024R-S078R, T022R-S078R, N018R-S078R, V004R-S078R, A001R-S078R, N043R-S078R, T022R-S024R, G020R-S024R, N018R-S024R, A001R-S024R, V004R-S024R, S009A-S024R, V004R-S009A, A001R-S009A, S242R-N269R, S024R-N269R, G020R-N269R, T022R-N269R, H249R-N269R, S212F-N269R, N043R-N269R, V244R-N269R, A001R-N269R, N018R-N269R, S078R-N269R, S009A-N269R, G115R-N269R, W241R-N269R, V004R-N269R, L082R-N269R, N018R-N043R, G020R-N043R, V004R-N043R, T022R-N043R, S009A-N043R, A001R-N043R, S024R-N043R, S009A-N018R, V004R-N018R, A001R-N018R, S024R-L082R, S009A-L082R, N018R-L082R, A001R-L082R, S078R-L082R, G020R-L082R, T022R-L082R, V004R-L082R, N043R-L082R, N043R-H249R, G020R-H249R, V004R-H249R, N018R-H249R, S009A-H249R, S212F-H249R, T022R-H249R, S024R-H249R, G115R-H249R, A001R-H249R, L082R-H249R, S242R-H249R, W241R-H249R, V244R-H249R, S078R-H249R, N018R-G115R, G020R-G115R, T022R-G115R, S078R-G115R, S009A-G115R, V004R-G115R, A001R-G115R, L082R-G115R, N043R-G115R, S024R-G115R, S009A-G020R, N018R-G020R, V004R-G020R, A001R-G020R, S009A-E271L, G020R-E271L, S024R-E271L, V244R-E271L, W241R-E271L, N043R-E271L, T022R-E271L, H249R-E271L, S212F-E271L, G115R-E271L, S242R-E271L, S078R-E271L, V004R-E271L, N269R-E271L, A001R-E271L, N018R-E271L, and L082R-E271L, and wherein the total net charge of the variant is 0, +1, +2, +3, +4, +5, −1, −2, −3, −4, or −5 relative to the total net charge of the Bacillus lentus subtilisin GG36 protease, and wherein the total net charge is obtained by one or more substitutions selected from:
• N43D, R45T, N62E, N76D, S101D, P129E, A158E, G159D, G159E, S166D, S188D, A230E, N18R, G20K, G20R, T22R, S24R, N43R, G118R, Q245R, H249R, N269R, E271F, and E271L, and wherein amino acid positions of the protease variant are numbered according to the numbering of corresponding amino acid positions in the amino acid sequence of Bacillus amyloliquefaciens subtilisin BPN′ shown in SEQ ID NO:1.