HEADSC 6ey3 SEQCRD A C CYS CYS 1 1 C C 0 SEQCRD A R ARG ARG 2 2 C C 0 SEQCRD A P PRO PRO 3 3 C C 0 SEQCRD A L LEU LEU 4 4 C C 0 SEQCRD A W TRP TRP 5 5 C C 0 SEQCRD A T THR THR 6 6 C C 0 SEQCRD A A ALA ALA 7 7 C C 0 SEQCRD A C CYS CYS 8 8 C C 0 SEQCRD A G GLY GLY 9 9 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA