Table 2. Protein–protein contacts between the symmetry-related molecules in our structure (3q6b) and that previously reported (3og5).

Atom X	Atom Y	Distance (Å)	Symmetry operation
3og5
GlnA286 NE2	ArgA370 O	3.46	−y + 1, x − y + 1, z − 1/3
ArgA314 NH1	GluA373 OE1	2.66
LysA303 NZ	GlyA374 O	2.81
GlyA279 O	ArgA367 NH1	3.00
AspA380 OD1	ArgA353 NH1	2.40
GluA387 OE2	LysA351 NZ	3.11
GluA387 OE2	ArgA353 NH2	2.43
ArgB321 NH1	TyrA266 OH	3.33	x − y + 1, −y + 2, −z + 1/3
ValB322 N	AspA330 OD1	2.92
ArgB404 N	GluA327 OE2	2.67
ArgB404 NE	GlnA323 NE2	2.77
ThrB302 OG1	ThrB302 OG1	2.68	x − y + 1, −y + 2, −z + 4/3
AsnB340 ND2	AspB264 OD1	2.70
AspB264 OD1	AsnB340 ND2	2.70
LysA361 N	IleA290 O	2.87	−y + 1, x − y + 1, z + 2/3
ThrA359 O	IleA290 N	2.76
AlaA331 O	AsnB297 ND2	2.66	x, y, z − 1
TyrA266 OH	GlnB265 OE1	3.48
3q6b
Ala363 N	Glu283 OE2	2.87	−x + 1/2, y − 1/2, −z
Lys361 N	Gln286 OE1	2.81
Arg367 NH1	Leu287 O	3.05
Arg367 NH1	Asp307 OD2	2.90
Thr359 O	Gln286 NE2	2.87
Glu373 OE1	Gln384 NE2	3.12
Gly374 O	Arg391 NH1	3.33
Gly298 N	Asp330 OD1	2.73	−x, y, −z
Asp330 OD1	Gly298 N	2.73
Lys351 NZ	Glu396 OE2	2.57	−x + 1/2, y − 1/2, −z − 1
Asp358 OD1	Asn390 ND2	3.37
Thr397 OG1	Tyr315 OH	3.16	x, y, z − 1
Lys419 NZ	Arg314 O	3.17
Lys419 NZ	Asp380 OD2	2.84
Glu396 OE1	Arg314 NH2	2.74
Ser408 OG	Lys303 NZ	3.07	x, y − 1, z