Table 1.

Comparison of various PNPases to BHPNP1

Protein	Percentage of protein identity	Percentage of protein similarity	PNPase type	Accession number
E. coli PNP	17.0	33.0	I	P0ABP8
E. coli XapA	44.0	61.0	II	NP_416902
G. stearothermophilus PNP1	74.9	86.2	II	P77834
Bovine PNP	47.1	61.1	II	P55859
Human PNP	45.2	58.5	II	P00491
B. halodurans BH1532	57.1	75.6	II	BAB05251
B. subtilis PNP	69.6	78.8	II	P46354
G. stearothermophilus PNP2	18.3	32.2	I	P77835