Subtilase Variants

Abstract

The present invention relates to novel subtilase variants exhibiting alterations relative to the parent subtilase in one or more properties including: Wash performance, thermal stability, storage stability or catalytic activity. The variants of the invention are suitable for use in e.g. cleaning or detergent compositions, such as laundry detergent compositions and dishwash compositions, including automatic dishwash compositions.

1 . A subtilase variant comprising at least one or more of the following alterations:
 X11{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,S,T,W,Y,V}, deletion, insertion;   X30{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X31{R,N,D,Q,E,H,K,M,P,W,Y}, deletion, insertion;   X32{A,R,D,C,E,G,H,I,L,K,M,F,P,T,W,Y,V}, insertion;   X34{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,S,T,W,Y,V}, deletion;   X65{A,R,C,G,H,I,L,K,M,F,T,W,Y,V}, deletion, insertion;   X66{A,R,C,H,I,L,K,M,F,T,W,Y,V}, deletion, insertion;   X67{A,R,N,Q,G,H,I,K,M,F,P,S,T,W,Y,V};   X68{R,N,D,Q,E,G,H,I,L,K,F,P,S,T,W,Y,V}, deletion, insertion;   X69{A,R,N,D,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X70G;   X71T;   X77N;   X83G, insertion;   X84V;   X85{A,R,N,D,Q,E,G,H,I,L,M,F,S,T,W,Y,V};   X90{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X95{R,K,F,W,Y,V}, deletion;   X107I   X110G, insertion;   X121V, insertion;   X122 insertion;   X123N;   X125S;   X150{A,R,N,D,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X152{A,R,N,D,Q,E,H,K,F,P,W,Y,V};   X153{R,N,D,Q,E,G,H,I,L,K,M,F,T,W,Y,V};   X154{A,R,G,H,I,L,M,F,W,Y,V};   X164{A,R,H,T,W};   X165{R,L,F,W,Y};   X166{W,Y}, insertion;   X175{R,N,D,Q,E,G,H,K,M,F,P,T,W,Y,V};   X177{R,N,D,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X178{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X180{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,P,S,T,W,Y,V}, deletion, insertion;   X199{R,L,K,F,W,Y,V}, deletion, insertion;   X200{A,R,I,L,K,M,F,W,Y,V}, deletion, insertion;   X201{A,R,H,I,L,K,M,F,P,T,W,Y,V}, deletion, insertion;   X202{A,R,C,G,H,I,L,K,M,F,T,W,Y,V};   X207{A,R,N,C,Q,G,H,I,L,K,M,F,P,S,T,W,Y,V};   X220T, insertion;   X223A, insertion;   X225P, insertion;   X226H, insertion;   X227V, insertion;   X228A, insertion;   X229G, insertion;   X230 insertion;   X231A, insertion;   X253{A,R,N,D,Q,E,G,H,I,L,M,F,S,T,W,Y,V}, deletion, insertion;   X264{A,R,N,Q,G,H,I,L,M,F,S,T,W,Y,V}, deletion, insertion;   X266{A,R,N,D,C,Q,E,G,H,I,L,K,M,F,S,T,W,Y,V}, deletion, insertion; wherein   (a) the alteration(s) are independently, as specified,
 (i) a substitution of the amino acid that occupies the position with a different amino acid, 
 (ii) a deletion of the amino acid which occupies the position, or 
 (iii) an insertion of at least one additional amino acid downstream of the amino acid that occupies the position, 
   (b) the variant has protease activity, and   (c) each position corresponds to a position of the amino acid sequence of subtilisin BPN′, shown in  FIG. 1 .   
     
     
         2 . The variant according to  claim 1 , wherein the parent subtilase belongs to the sub-group I-S1. 
     
     
         3 . The variant according to  claim 2 , wherein the parent subtilase is selected from the group consisting of BASBPN, BSS168, BSSDY and BLSCAR, or functional variants thereof having retained the characteristics of sub-group I-S1. 
     
     
         4 . The variant according to  claim 1 , wherein the parent subtilase belongs to the sub-group I-S2. 
     
     
         5 . The variant according to  claim 4 , wherein the parent subtilase is selected from the group consisting of BLS147, BLSAVI (Savinase®), BAPB92, TVTHER and BYSYAB, or functional variants thereof having retained the characteristics of sub-group I-S2, preferably BLSAVI. 
     
     
         6 . The variant according to  claim 4 , wherein the variant is V11I; V11I+I44V; V11I+L96LA; S9R+V11I+A15T+T22A; V11I+L96LA+A108C+A138C; V11I+N76D+A194P+A230V; V11I+V84I; V11I+V84I+K251R; V11I+V30I; V11I+V139L; V11I+V30I; V30I; V30I+V84I; V30I+V139L; S9R+A15T+T22A+V30I; V30I+V244R; V30I+K251R; V30I+V139L+Y167A+R170S+A194P+N218S; D32A; V68A; V68A+S106A; V68A,+V139I; V68A,+A158V; V68A+V203A; V68A+V139L; A48T+V68A+P131M; V51A+V68A+S106T+A168G; V51A+V68A+S106T+A168G; N76D+M175ML+A194P+A230V; N76D+M175MI+A194P+A230V. 
     
     
         7 . The variant according to  claim 4 , wherein the variant further comprises at least one modification in the positions 27, 36, 56, 76, 87, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 120, 123, 159, 167, 170, 206, 218, 222, 224, 232, 235, 236, 245, 248, 252 or 274 (BASBPN numbering). 
     
     
         8 . The variant according to  claim 7 , wherein the variant further comprises the modification
 S101G+S103A+V104I+G159D+A232V+Q236H+Q245R+N248D+N252K.   
     
     
         9 . An isolated DNA sequence encoding a subtilase variant as defined in any of  claims 1 - 8 . 
     
     
         10 . An expression vector comprising the isolated DNA sequence of  claim 9 . 
     
     
         11 . A microbial host cell transformed with the expression vector of  claim 10 . 
     
     
         12 . A microbial host cell according to  claim 11 , which is a bacterium, preferably a  Bacillus , especially a  B. lentus.    
     
     
         13 . A microbial host cell according to  claim 11 , which is a fungus or yeast, preferably a filamentous fungus, especially an  Aspergillus.    
     
     
         14 . (canceled) 
     
     
         15 . A cleaning or detergent composition, preferably a laundry or dish wash composition, comprising the variant as defined in  claim 1 . 
     
     
         16 . A composition according to  claim 15 , which additionally comprises a cellulase, a lipase, a cutinase, an oxidoreductase, another protease, an amylase or a mixture thereof. 
     
     
         17 . (canceled) 
     
     
         18 . A method for producing the subtilase variant of  claim 1 , comprising culting a host cell under conditions conducive to the expression and secretion of the variant, and recovering the variant.