label: [(1->4)-beta-D-mannosyl](n) + phosphate <=> [(1->4)-beta-D-mannosyl](n-1) + alpha-D-mannose 1-phosphate
label_lc: [(1->4)-beta-d-mannosyl](n) + phosphate <=> [(1->4)-beta-d-mannosyl](n-1) + alpha-d-mannose 1-phosphate