1.8.4.B3	dabsyl-L-methionine (R)-S-sulfoxide + bovine liver thionein	NtMsrB1	Nicotiana tabacum	dabsyl-L-methionine + bovine liver thionein + H2O	-	?	396957	
1.8.4.B3	dabsyl-L-methionine (R)-S-sulfoxide + dithiothreitol	NtMsrB1	Nicotiana tabacum	dabsyl-L-methionine + dithiothreitol disulfide + H2O	-	?	396958	
1.8.4.B3	dabsyl-L-methionine (R)-S-sulfoxide + plant Trx-like protein CDSP32	NtMsrB1	Nicotiana tabacum	dabsyl-L-methionine + ?	-	?	396959	
1.8.4.B3	dabsyl-L-methionine (R)-S-sulfoxide + selenocysteamine	NtMsrB1	Nicotiana tabacum	dabsyl-L-methionine + 2,2'-disulfanediyldiethanamine + H2O	-	?	396960	
1.8.4.B3	L-methionine (R)-S-sulfoxide + dithiothreitol	-	Homo sapiens	L-methionine + dithiothreitol disulfide + H2O	-	?	397632	
1.8.4.B3	L-methionine (R)-S-sulfoxide + thionein	-	Homo sapiens	L-methionine + thionein disulfide + H2O	-	?	397633	
1.8.4.B3	L-methionine (R)-S-sulfoxide + thioredoxin	reduced thioredoxin is not an efficient reducing agent for hMsrB3. Less than 5% of the activity with dithiothreitol	Homo sapiens	L-methionine + thioredoxin disulfide	-	?	397634	
1.8.4.B3	L-methionine (R)-S-sulfoxide + thioredoxin	reduced thioredoxin is not an efficient reducing agent for hMsrB2. Less than 5% of the activity with dithiothreitol	Homo sapiens	L-methionine + thioredoxin disulfide + H2O	-	?	397635	
1.8.4.B3	L-methionine (R)-sulfoxide + dithiothreitol	-	Homo sapiens	L-methionine + dithiothreitol disulfide	-	?	377057	
1.8.4.B3	additional information	NtMsrB1 shows very little activity towards L-methionine (R)-sulfoxide. Escherichia coli thioredoxin can not serve as a reducing agent for NtMsrB1. The Trx-independent MsrB enzyme lacks an additional cysteine (resolving cysteine) that is capable of forming a disulfide bond on the enzyme during the catalytic reaction	Nicotiana tabacum	?	-	?	89	
1.8.4.B3	additional information	zinc-containing metallothionein in the presence of EDTA can serve as a reducing agent. Thioredoxin can reduce oxidized thionein	Homo sapiens	?	-	?	89	
1.8.4.B3	peptide-L-methionine-(R)-S-sulfoxide + thionein	-	Nicotiana tabacum	peptide-L-methionine + thionein disulfide + H2O	-	?	394948