HEADSC 5u9x SEQCRD A G GLY GLY 1 1 H H 0 SEQCRD A V VAL VAL 2 2 H H 0 SEQCRD A V VAL VAL 3 3 H H 0 SEQCRD A D ASP ASP 4 4 H H 0 SEQCRD A I ILE ILE 5 5 H H 0 SEQCRD A L LEU LEU 6 6 H H 0 SEQCRD A K LYS LYS 7 7 H H 0 SEQCRD A G GLY GLY 8 8 H H 0 SEQCRD A A ALA ALA 9 9 H H 0 SEQCRD A A ALA ALA 10 10 H H 0 SEQCRD A K LYS LYS 11 11 H H 0 SEQCRD A D ASP ASP 12 12 H H 0 SEQCRD A I ILE ILE 13 13 H H 0 SEQCRD A A ALA ALA 14 14 H H 0 SEQCRD A G GLY GLY 15 15 H H 0 SEQCRD A H HIS HIS 16 16 H H 0 SEQCRD A L LEU LEU 17 17 H H 0 SEQCRD A A ALA ALA 18 18 H H 0 SEQCRD A S SER SER 19 19 H H 0 SEQCRD A K LYS LYS 20 20 H H 0 SEQCRD A V VAL VAL 21 21 H H 0 SEQCRD A M MET MET 22 22 H H 0 SEQCRD A N ASN ASN 23 23 C C 0 SEQCRD A X NH2 NH2 24 24 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA