File talk:Representations of glucopyranose.png

In my humble opinion, the second representation of this β-D-glucopyranose (the ring-closed Fisher-projection) is in fact α-D-glucopyranose. You can see that something is off by comparing with the Haworth-projection: alltough all hydroxylgroups are alternately above and under the ring in the Haworth-projection, not all of them are alternately left and right in the Fisher-projection. More specifically: the first hydroxylgroup (the one on C2) should be switched from right to left. --193.190.253.144 (talk) 00:12, 13 December 2010 (UTC)[reply]

Offcourse, I meant C1 instead of C2. --193.190.253.144 (talk) 00:15, 13 December 2010 (UTC)[reply]

I agree with the previous comment. Either you should change the two Fischer projections (although the first one is a linear sugar and thus no alpha or beta can be determined, it should be changed as well, for consistency with the next one). But it would be maybe more convenient to change the chair and haworth projections so that they have the hydroxyl substituent on C1 pointing downward (i.e. alpha). Lmeuris (talk) 15:05, 20 October 2016 (UTC)[reply]