Table 3. Chain length (number of residues in the chain) of carbohydrate chains in the PDB.

The table lists the number of chains of a certain length found in the PDB release of March 2008 (adopted from Lütteke & Frank, 2009 ▶).

Length	N-glycan	O-glycan	Ligand	Total
1	3575	707	3044	7326
2	1456	50	1240	2746
3	672	13	504	1189
4	203	5	205	413
5	184	4	176	364
6	143	2	53	198
7	74	2	24	100
8	49	—	17	66
9	35	—	5	40
10	6	—	3	9
11	1	—	3	4
12	—	—	1	1
15	—	—	2	2