HEADSC 2nb5 SEQCRD A G GLY GLY 1 1 C C 0 SEQCRD A D ASP ASP 2 2 C C 0 SEQCRD A C CYS CYS 3 3 E E 0 SEQCRD A Y TYR TYR 4 4 E E 0 SEQCRD A W TRP TRP 5 5 E E 0 SEQCRD A T THR THR 6 6 C C 0 SEQCRD A S SER SER 7 7 C C 0 SEQCRD A T THR THR 8 8 C C 0 SEQCRD A P PRO PRO 9 9 C C 0 SEQCRD A P PRO PRO 10 10 C C 0 SEQCRD A F PHE PHE 11 11 C C 0 SEQCRD A F PHE PHE 12 12 E E 0 SEQCRD A T THR THR 13 13 E E 0 SEQCRD A C CYS CYS 14 14 E E 0 SEQCRD A T THR THR 15 15 C C 0 SEQCRD A P PRO PRO 16 16 C C 0 SEQCRD A D ASP ASP 17 17 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA