HEADSC 5y3u SEQCRD A L LEU LEU 1 1 C C 0 SEQCRD A R ARG ARG 2 2 C C 0 SEQCRD A L LEU LEU 3 3 H H 0 SEQCRD A I ILE ILE 4 4 H H 0 SEQCRD A H HIS HIS 5 5 H H 0 SEQCRD A A ALA ALA 6 6 H H 0 SEQCRD A V VAL VAL 7 7 H H 0 SEQCRD A R ARG ARG 8 8 H H 0 SEQCRD A G GLY GLY 9 9 H H 0 SEQCRD A Y TYR TYR 10 10 H H 0 SEQCRD A W TRP TRP 11 11 H H 0 SEQCRD A L LEU LEU 12 12 H H 0 SEQCRD A T THR THR 13 13 C C 0 SEQCRD A N ASN ASN 14 14 C C 0 SEQCRD A K LYS LYS 15 15 C C 0 SEQCRD A V VAL VAL 16 16 C C 0 SEQCRD A P PRO PRO 17 17 C C 0 SEQCRD A I ILE ILE 18 18 C C 0 SEQCRD A K LYS LYS 19 19 C C 0 SEQCRD A R ARG ARG 20 20 C C 0 SEQCRD A P PRO PRO 21 21 C C 0 SEQCRD A S SER SER 22 22 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA