PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
3gfh ETHANOLAMINE UTILIZATION PROTEIN EUTL
Escherichia coli		BMCHIS A  75
HIS B  75
HIS C  75
None
homomer
cyclic		19451619
3qr8 BASEPLATE ASSEMBLY PROTEIN V
Escherichia virus P2		Phage_base_VHIS A  50
HIS B  50
HIS C  50
 CL A 212
homomer
cyclic		22325780
3t57 UDP-N-ACETYLGLUCOSAMINE O-ACYLTRANSFERASE DOMAIN-CONTAINING PROTEIN
Arabidopsis thaliana		Acetyltransf_11
Hexapep		HIS A 120
HIS B 120
HIS C 120
None
homomer
cyclic		22545860
5unq PUTATIVE TAUTOMERASE
Pusillimonas sp. T7-7		TautomeraseHIS A  43
HIS F  43
HIS C  43
None
homomer
cyclic		29184004