%The following residues are selected for Procheck analysis
RESIDUES 4 A TO 23 A
RESIDUES 63 A TO 70 A
RESIDUES 73 A TO 78 A
RESIDUES 90 A TO 97 A
RESIDUES 100 A TO 112 A
RESIDUES 116 A TO 124 A
RESIDUES 135 A TO 146 A