// keep strand V85-I92 on sheet
constraint 665	774	2.3 2.7 3.2	// V86.N S101.O
constraint 670	770	2.3 2.7 3.2	// V86.O S101.N
constraint 679	763	2.3 2.7 3.2	// G88.N A99.O
constraint 681	760	2.3 2.7 3.2	// G88.O A99.N
constraint 694	748	2.3 2.7 3.2	// G90.N V97.O
constraint 696	743	2.3 2.7 3.2	// G90.O V97.N

// keep strand G329-V331 on sheet
constraint 2475	2743	2.3 2.7 3.2	// G329.O Q366.N
constraint 2485	2750	2.3 2.7 3.2	// V331.N Q366.O
constraint 2490	2760	2.3 2.7 3.2	// V331.O V368.N