PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
3eyx CARBONIC ANHYDRASE
Saccharomyces cerevisiae		Pro_CAASN A  63
ASN A  65
ASN B  63
ASN B  65
None
homomer
cyclic		19852838
4d9b D-CYSTEINE DESULFHYDRASE
Salmonella enterica		PALPASN A 109
ASN A 113
ASN B 109
ASN B 113
None
homomer
cyclic		22574144