PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
2v9p REPLICATION PROTEIN E1
Deltapapillomavirus 4		-ASN E 444
ASP E 478
ASP E 479
ASN F 494
None
homomer
cyclic		17881379
5tro PENICILLIN-BINDING PROTEIN 1
Staphylococcus aureus		PBP_dimer
Transpeptidase		ASN A 187
ASP A 189
ASP B 267
ASN B 308
None
homomer
cyclic		-