Table 3. Amino-acid identity and structural similarity across the top eight structural homologs of 3nfw available in the PDB.

Data based on the RCSB PDB (http://www.pdb.org/pdb/).

PDB code	UniProt ID	Protein name	Organism	Amino-acid identity (%)	R.m.s.d. (Å)	Reference
2rox	Q0I3S1	Putative flavin reductase	Haemophilus somnus 129PT	21.5	1.27	—
1rz1	Q9LAG2	Phenol 2-hydroxylase component B	Bacillus thermoglucosidasius A7	31	1.62	van den Heuvel et al. (2004 ▶)
2d37	Q974C9	Phenol 2-hydroxylase component B	Sulfolobus tokodaii strain 7	26	1.65	Okai et al. (2006 ▶)
2ecu	Q5SJP7	Flavin reductase (HpaC) of 4-hydroxyphenylacetate 3-monooxygenase polypeptide (L)	Thermus thermophilus HB8	27	1.73	Kim et al. (2008 ▶)
3cb0	Q8YHT7	4-Hydroxyphenylacetate 3-monooxygenase	Brucella melitensis	25.2	1.83	Lawrence et al. (2008 ▶)
1usc	P83818	Styrene monooxygenase small component	Thermus thermophilus	20	1.87	—
3k86	087008	Chlorophenol-4-monooxygenase component 2	Burkholderia cepacia	26	2.05	Webb et al. (2010 ▶)
2qck	A0JVA7	Flavin reductase domain protein	Arthrobacter sp. FB24	26	2.13	—
n/a	Q02058	Actinorhodin polyketide dimerase	Streptomyces coelicolor A3	32	n/a	Filisetti et al. (2003 ▶), Valton et al. (2008 ▶)