[phosphate](n-1) + D-glucose 6-phosphate + H(+) => [phosphate](n) + D-glucose
[phosphate](n-1) + d-glucose 6-phosphate + h(+) => [phosphate](n) + d-glucose
[phosphate](n-1) + D-glucose 6-phosphate + H(+) => [phosphate](n) + D-glucose
[phosphate](n-1) + d-glucose 6-phosphate + h(+) => [phosphate](n) + d-glucose