GLYCAM-Web | Utilities for molecular modeling of carbohydrates
Step 1: Set Glycan Query
Step 2: Refine and Download
Search By Condensed Sequence

Ex: DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ASN
will return all PDB entries containing DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ASN