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. 2005 Mar 8;386(Pt 3):489–495. doi: 10.1042/BJ20041282

Table 2. Properties of mutants of the HlyB NBD.

ND, not determined.

Codon change Amino acid change Solubility ATPase activity
AAA→ATG Lys508→Met WalkerA Soluble Inactive, binds ATP
GAT→ATG Asp630→Met WalkerB Soluble Inactive, binds ATP
TGT→GCT Cys652→Ala Soluble Active
CAT→GCG His662→Ala Soluble Inactive, binds ATP
GTG→GCG Val548→Ala Insoluble ND
CCT→CTT Pro624→Leu Insoluble ND
CCT→GCG Pro624→Ser Insoluble ND
CCT→GCG Pro624→Cys Insoluble ND
CCT→GCG Pro624→Arg Insoluble ND