Table 1.

Polar contacts between EF-P and PoxA^a

PoxA			EFP
Amino acid	Position	Atom	Amino acid	Position	Atom
His	52	O	Lys	31	NZ
His	52	O	Lys	31	CE
His	52	ND1	Lys	34	O
His	52	ND1	Gly	35	O
His	52	ND1	Gln	36	N
Glu	102	O	Lys	31	NZ by H2O-mediated hydrogen bond
Glu	103	OE1	Lys	31	NZ
Glu	103	OE2	Lys	31	NZ
Arg	106	NH1	Glu	28	OE1
Arg	106	NE	Glu	28	OE2
Arg	106	NH1	Glu	28	OE2
His	108	NE2	Lys	31	O
Asp	177	OD1	Lys	54	NZ
Asp	177	OD2	Lys	54	NZ
Asn	180	ND2	Thr	55	O
Glu	185	OE1	Lys	57	NZ
Gln	193	NE2	Gly	33	O
Gln	193	NE2	Lys	34	O
Ser	218	O	Lys	34	NZ
Arg	235	NH2	Gly	33	O
Glu	244	OE1	Gly	33	N
Glu	244	OE2	Gly	33	N
Arg	303	NH1	Lys	31	O by H2O-mediated hydrogen bond
Arg	303	NH2	Lys	31	O by H2O-mediated hydrogen bond

^aContacts determined using PDBE Pisa. Additional contacts previously reported are also included (13).