Table 1. List of bacterial enzymes for which laccase activity was demonstrated.

accession	source	type	reference
CAB45586	Streptomyces coelicolor	2-domain	[31]
BAB64332	Streptomyces griseus		[32]
3G5W	Nitrosomonas europea		[33]
2ZWN	metagenomic library		[34]
YP_077905	Bacillus licheniformis ATCC 14580	3-domain	[35]
NP_388511	Bacillus subtilis subsp. subtilis str. 168		[18]
NP_414665	Escherichia coli str. K-12 substr. MG1655		[36]
AY228142	Bacillus halodurans		[22]
YP_005339	Thermus thermophilus HB27		[21]
EF507879	Streptomyces cyaneus strain CECT3335		[37]
AB092576	Streptomyces lavendulae		[20]
AF184209	Marinomonas mediterranea		[38]

These sequences were used for BLAST search against the NCBI NR database to retrieve sets of sequences for initial building of profile Hidden Markov Models of bacterial laccases.