PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
3cla TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE
Escherichia coli		CATSER A  34
ASN A 159
SER B  34
ASN B 159
SER C  34
ASN C 159
None
homomer
cyclic		2187098
4fyy ASPARTATE CARBAMOYLTRANSFERASE CATALYTIC CHAIN
Escherichia coli		OTCace
OTCace_N		SER C  76
ASN C  78
SER F  76
ASN F  78
SER J  76
ASN J  78
None
heteromer
dihedral		22906065