GDP-alpha-D-rhamnose + NADP(+) <=> GDP-4-dehydro-alpha-D-rhamnose + NADPH + H(+)
gdp-alpha-d-rhamnose + nadp(+) <=> gdp-4-dehydro-alpha-d-rhamnose + nadph + h(+)
GDP-alpha-D-rhamnose + NADP(+) <=> GDP-4-dehydro-alpha-D-rhamnose + NADPH + H(+)
gdp-alpha-d-rhamnose + nadp(+) <=> gdp-4-dehydro-alpha-d-rhamnose + nadph + h(+)