label: a 1D-myo-inositol-1-phospho-N-[(R)-2-hydroxy-very-long-chain fatty acyl]-(R)-4-hydroxysphingoid base + GDP-alpha-D-mannose <=> an alpha-D-mannosyl-(1<->6)-1D-myo-inositol-1-phospho-N-[(R)-2-hydroxy-very-long-chain fatty acyl]-(R)-4-hydroxysphingoid base + GDP + H(+)
label_lc: a 1d-myo-inositol-1-phospho-n-[(r)-2-hydroxy-very-long-chain fatty acyl]-(r)-4-hydroxysphingoid base + gdp-alpha-d-mannose <=> an alpha-d-mannosyl-(1<->6)-1d-myo-inositol-1-phospho-n-[(r)-2-hydroxy-very-long-chain fatty acyl]-(r)-4-hydroxysphingoid base + gdp + h(+)