Table 4.

Hydrogen bonds of the 380-loop with residues outside of the 380-loop

Amino acid	Hydrogen bond(s), distance(s)a at position:
	381	382	383	384	386	387	388	389	390
18N1 (3BEQ)	Asp379, 3.14	Asp379, 3.09; Ser319, 2.91	Cys318, 3.29; Asn358, 2.95	Asn358, 3.05	Gly333, 2.80	Gly320, 2.91
N4 (2HTV)		Ser319, 2.78; Asp379, 2.70, 3.41	Asp358, 2.98		Gly334, 3.32	Gly320, 2.61
N5 (3SAL)	Ser359, 2.90	Ile379, 3.00; Ala319, 3.04	Asn358, 2.90				Gly320, 2.74	Gly320, 2.74; Asp330, 2.84; Phe333, 2.80; Ile391, 3.28
N8 (2HT5)	Asp359, 2.77	Ala319, 2.70; Ile379, 3.24	Thr358, 2.92		Gly335, 3.29	Gly320, 2.59	Gly320, 2.59 Gly320, 2.63; Phe331′, 3.56
N2 (1NN2)	Asp359, 3.04	Ser319, 2.88; Val379, 2.96	Asn358, 2.81	Asn358, 3.31		Cys318, 3.03; Ser335, 3.00; Asn334, 2.80; Ser333, 3.49	Gly320, 2.88	Asp330, 2.64; Ser333, 2.68; Gln391, 3.33
N3 (4HZV)	Asp359, 2.72	Ser319, 2.90; Val379, 2.98	Asp358, 2.82					Lys320, 3.19	Ser392, 3.05
N6 (1V0Z)	Gly357, 2.85; Glu358, 3.02	Ser319, 3.03; Cys318, 3.20; Val379, 3.11	Lys288, 2.82		Gly334, 2.90; Lys320, 3.20	Lys320, 3.05	Ser319, 2.74, 3.09
N9 (7NN9)	Gly357, 2.80	Cys318, 3.24; Ser319, 2.89; Val379, 3.16	Gln315, 3.22; Cys318, 3.30		Gly335, 2.77		Ser319, 2.95, 3.17	Pro331, 2.82

^aThere were no bonds at positions 380 and 385. Underlined entries indicate bonds with 320- and 330-loops. All hydrogen bond distances refer to molecule A of each structure.